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Preprint ARTICLE | doi:10.20944/preprints201810.0203.v2

Global Recognition of the Importance of Nature-Based Solutions to Climate Change Impacts

Nathalie Seddon, Elizabeth Daniels, Rowan Davis, Rian Harris, Xiaoting Hou-Jones, Saleemul Huq, Valerie Kapos, Georgina M. Mace, Ali Raza Rizvi, Hannah Reid, Dilys Roe, Sylvia Wicander

Subject: Environmental And Earth Sciences, Ecology Keywords: biodiversity; climate change adaptation; ecosystems; Paris agreement; policy; nature-based solutions

Online: 14 September 2019 (12:07:15 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201812.0077.v1

Why Nature-Based Solutions to Climate Change Must Be Grounded in Sound Biodiversity Science

Nathalie Seddon, Beth Turner, Pam Berry, Alexandre Chausson, Cécile A.J. Girardin

Subject: Environmental And Earth Sciences, Ecology Keywords: biodiversity; climate change; forests; nature-based solutions; policy; resilience

Online: 6 December 2018 (07:39:13 CET)

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Working Paper REVIEW

Bending the Curve of Global Freshwater Biodiversity Loss – An Emergency Recovery Plan

David Tickner, Jeff Opperman, Robin Abell, Mike Acreman, Angela H. Arthington, Stuart E. Bunn, Steven J. Cooke, James Dalton, Will Darwall, Gavin Edwards, Ian Harrison, Kathy Hughes, Tim Jones, David Leclère, Abigail J. Lynch, Philip Leonard, Michael E. McClain, Dean Muruven, Julian D. Olden, Steve Ormerod, Rebecca E. Tharme, Michele Thieme, Klement Tockner, Mark Wright, Lucy Young

Subject: Environmental And Earth Sciences, Ecology Keywords: River restoration; wetlands; freshwater conservation; Sustainable Development Goals; Convention on Biological Diversity

Online: 29 October 2019 (11:13:47 CET)

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Preprint REVIEW | doi:10.20944/preprints202001.0212.v1

Safeguarding Freshwater Life Beyond 2020: Recommendations for the New Global Biodiversity Framework from the European Experience

Charles B. van Rees, Kerry A. Waylen, Astrid Schmidt-Kloiber, Stephen J. Thackeray, Gregor Kalinkat, Koen Martens, Sami Domisch, Ana I. Lillebø, Virgilio Hermoso, Hans-Peter Grossart, Rafaela Schinegger, Kris Decleer, Tim Adriaens, Luc Denys, Ivan Jarić, Jan H. Janse, Michael T. Monaghan, Aaike De Wever, Ilse Geijzendorffer, Mihai C. Adamescu, Sonja C. Jähnig

Subject: Environmental And Earth Sciences, Ecology Keywords: climate change; sustainable development goals; wildlife; wetlands; water resources; ecosystem services

Online: 19 January 2020 (05:05:23 CET)

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Preprint ARTICLE | doi:10.20944/preprints201803.0083.v1

Key for Identification of the Ladybirds (Coleoptera: Coccinellidae) of European Russia and Russian Caucasus (Native and Alien Species)

Andrzej O. Bienkowski

Subject: Environmental And Earth Sciences, Ecology Keywords: ladybeetles; guide for identification; aborigenous species; introduced species

Online: 12 March 2018 (06:54:21 CET)

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Preprint ARTICLE | doi:10.20944/preprints201812.0097.v1

Impacts of the IUCN Red List of Ecosystems on Conservation Policy and Practice

Lucie M. Bland, Emily Nicholson, Rebecca M. Miller, Angela Andrade, Andres Etter, José Rafael Ferrer-Paris, Tytti Kontula, Arild Lindgaard, Patricio Pliscoff, Andrew Skowno, Irene Zager, David A. Keith

Subject: Environmental And Earth Sciences, Ecology Keywords: conservation practice, ecosystem, impact, IUCN Red List of Ecosystems, monitoring, risk assessment

Online: 7 December 2018 (17:50:24 CET)

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Preprint ARTICLE | doi:10.20944/preprints202212.0258.v2

Biotic Soil Organic Carbon (SOC) Stock: What We Had & What We Lost

Robert Blakemore

Subject: Environmental And Earth Sciences, Ecology Keywords: Humus; soil biota; organic soil carbon; atmospheric CO2; carbon credits and deficits

Online: 11 April 2023 (11:32:38 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201905.0161.v1

Mapping Land-Use and Land-Cover Changes in Bahir Dar City and its Surrounds Using Remote Sensing

Abel Balew Bimrew, Tesfaye Korme Oda

Subject: Environmental And Earth Sciences, Ecology Keywords: Landuse and landcover; LULC change; remote sensing; LandSat image; Bahir Dar city

Online: 13 May 2019 (13:33:35 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201907.0275.v1

Remote Sensing and GIS Application for Land use/ Land cover Change Analysis: Case Study of Jarmet Wet-Land and its Surrounding Environments in Western Ethiopia

Amanuel Kumsa, Professor Sileshi Nemomissa, Asmamaw (PhD) Legas, Dessalegn Gurmessa

Subject: Environmental And Earth Sciences, Ecology Keywords: Accuracy Assessment, Analysis Change, Detection analysis, Environmental change, GIS and Remote Sensing, Jarmet and others wetland change,LULC, change population growth

Online: 24 July 2019 (12:04:29 CEST)

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Wetlands are one of the crucial natural resources. They provide invaluable biodiversity resources, aid in water quality improvement, support ground water recharge, help in moderating climate change and support flood control. Environment is in the other hand, where we live and something, we are very familiar with our day to day life. Geographic Information Systems (GIS), Remote Sensing and Global Positioning System (GPS) were a useful tool for wetland and environmental change analysis and to improve on the classification accuracy. This study investigates population and environmental change of Jarmet wetland and its surrounding area change analysis over the period of 1972 to 2015. The purpose of this study was to show land use/ land cover change of Jarmet wetland and its surrounding environment over years as a response to population growth. For this purpose, multi-temporal satellite imageries (Landsat MSS 1972, TM1986, ETM+ 2000, 2005 and 2015 and SRTM 2000) were obtained and used for LULC change analysis, elevation analysis and change detection analysis. ERDAS Imagine 2015, ARC GIS 10.5.1, Global Mapper11, ENVI 5.0 and DNR Garmin softwares were used to process the image data and accuracy assessment analysis. The result of LULC showed that there is spatial reduction in wetland, forest, Shrubland and grassland in the period of 43 years (1972-2015) by -1,722.8 ha, -296.2 ha, -1,718.7 ha and -661.9 ha respectively, due to increase in the farmland and plantation area as a response to overpopulation, lack of environmental policy implementation and irresponsible for natural resource degradation. The accuracy assessment of LULC change are done for recent satellite image showed the overall accuracy of 84.06% with Kappa index 75.19% this means this classification is accurately classified and handle greater than 75% of error. Finally, this study suggests that create strictly natural resource conservation law, stopping illegal expansion of farmland, educating society about the value of natural resource especially wetland and create a source of income for society rather than farming.

Preprint ARTICLE | doi:10.20944/preprints201909.0316.v1

Assessing the Use of Sentinel-2 Time Series for Monitoring Cork Oak Decline in Portugal

Ana Navarro, João Catalão, João Calvão

Subject: Environmental And Earth Sciences, Ecology Keywords: Quercus suber; cork oak decline; sentinel-2; time series; vegetation indices

Online: 28 September 2019 (15:01:45 CEST)

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Preprint REVIEW | doi:10.20944/preprints201909.0292.v1

Water and Sediment Budget of Casiquiare Channel Linking Orinoco and Amazon Catchments, Venezuela

Alain Laraque, Jose Luis Lopez, Santiago Yepez, Paul Georgescu

Subject: Environmental And Earth Sciences, Ecology Keywords: Casiquiare; Orinoco; Amazon; bifurcation; hydro-sedimentary budget

Online: 26 September 2019 (03:59:13 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202309.1827.v1

Conservation Imperatives: Securing the Last Unprotected Terrestrial Sites Harboring Irreplaceable Biodiversity

Eric Dinerstein, Anup R. Joshi, Nathan R. Hahn, Andy T. L. Lee, Carly Vynne, Karl Burkart, Greg P. Asner, Charlotte Beckham, Gerardo Ceballos, Richard Cuthbert, Rodolfo Dirzo, Oliver Fankem, Sarah Hertel, Binbin V. Li, Haley Mellin, Felix Pharand-Deschênes, David Olson, Bivash Pandav, Carlos Peres, Rudi Putra, Amy Rosenthal, Caspar Verwer, Eric Wikramanayake, Andrew Zolli

Subject: Environmental And Earth Sciences, Ecology Keywords: Conservation imperatives; 30 by 30; Protected area targets; Rare species; Land cover fraction mapping; Geospatial analysis; Land costs analysis

Online: 28 September 2023 (03:31:14 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201810.0188.v1

Land Consolidation Design Based on an Evaluation of Ecological Sensitivity

Zhang Qiuqin, Zhang Tianzhu

Subject: Environmental And Earth Sciences, Ecology Keywords: ecological sensitivity; ecological sensitivity evaluation; land consolidation; ecological value; Guanling

Online: 9 October 2018 (14:35:04 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201808.0460.v1

Potential Impact of Climate Change on Ecosystem Services in Panchase Mountain Ecological Region, Nepal

Shankar Adhikari, Himlal Baral, Vishwas Sudhir Chitale, Craig Nitschke

Subject: Environmental And Earth Sciences, Ecology Keywords: Climate Change; Ecosystem Services; Impact; adaptation; Nepal

Online: 27 August 2018 (12:55:03 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202205.0162.v1

Comprehensive Understanding of the Planform Complexity of the Anastomosing River and the Dynamic Imprint of the River’s Flow: Brahmaputra River in Bangladesh

Shiblu Sarker, Tanni Sarker, Sarder Udoy Raihan

Subject: Environmental And Earth Sciences, Ecology Keywords: anastomosing; erodibility; planform; Fourier transform; power spectral density; sample entropy; approximate entropy

Online: 12 May 2022 (08:03:34 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202107.0015.v1

Progress in Life Cycle Impact Assessment: Water Vapor Emissions and Respiratory Inorganics

Anders Andrae

Subject: Environmental And Earth Sciences, Ecology Keywords: characterization; life cycle assessment; life cycle impact assessment; normalization; particulate matter; respiratory inorganics; water vapor

Online: 1 July 2021 (11:16:42 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201910.0289.v1

Perception of Environmental Spillovers across Scale in Climate Change Adaptation Planning: The Case of Small-Scale Farmers’ Irrigation Strategies, Kenya

Tom Volenzo, John Odiyo

Subject: Environmental And Earth Sciences, Ecology Keywords: adaptation failure; adaptation planning; economic interests; climate change; ecosystem spillovers; policy; risk perception; transformation

Online: 27 October 2019 (02:54:10 CET)

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The failure to acknowledge and account for environmental externalities or spillovers in climate change adaptation policy, advocacy and programming spaces exercabates the risk of ecological degradation, more so, degradation of land. In particular use of unsuitable water sources for irrigation may increase salinisation risks. However, little if any policy assessments and research effort has been directed at investigating how farmer perceptions mediate spillovers from the ubiquitous irrigation adaptation strategy. In this study cognitive failure and/or bias construct is examined and proposed as an analytical lens in research, policy and learning and the convergence of disaster risk reduction and climate change adaptation discourses. The findings from small-scale farmers, Machakos and Kakamega counties, Kenya, suggest multifaceted biases and failures about the existence and importance of externalities in adaptation planning discourses. Among other dimensions, cognitive failure which encompasses fragmented approaches among institutions for use and management of resources, inadequate policy and information support, as well as, poor integration of actors in adaptation planning accounts for adaptation failure. The failures in such Human-Environment system interactions have the potential to exercabate existing vulnerability of farmer production systems in the long run. The findings further suggest that in absence of risk message information dissemination, education level, farming experience and information accumulation, as integral elements to human capital, do not seem to have significant effect on behaviour about mitigation of environmental spillovers. Implicitly, reversing the inherent adaptation failures calls for system approaches that enhance coordinated adaptation planning, prioritises proactive mitigation of slow onset disaster risks and broadens decision support systems, such as, risk information dissemination integration into the existing adaptation policy discourses and practice.

Preprint ARTICLE | doi:10.20944/preprints202205.0088.v1

Mapping of Ecological Corridors as Connections between Protected Areas: A Study Concerning Sardinia, Italy

Federica Isola, Federica Leone, Corrado Zoppi

Subject: Environmental And Earth Sciences, Ecology Keywords: ecological corridors; green infrastructure; protected areas; landscape components

Online: 7 May 2022 (03:21:34 CEST)

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Preprint REVIEW | doi:10.20944/preprints202305.0009.v1

Opportunities and Challenges for the Promotion of Transitions to Agroecological Practices for Sustainable Food Production in Sub-Sahara Africa

Suwilanji Sinyangwe, Sithembile Mwamakamba, Rachel Mkandawire, Tshilidzi Madzivhandila

Subject: Environmental And Earth Sciences, Ecology Keywords: Agroecology; Local Resources; Sustainable Food Production; Climate Change; Policy; Sub-Saharan Africa

Online: 1 May 2023 (03:46:44 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202112.0417.v1

Towards a ‘City in Nature’: Evaluating the Cultural Ecosystem Services Approach to Support Urban Green Space Management

Yi Fan Koh, Ho Huu Loc, Edward Park

Subject: Environmental And Earth Sciences, Ecology Keywords: Cultural ecosystem services; urban green space management; Singapore; public participation geographic information system; social media text mining analysis

Online: 27 December 2021 (09:48:44 CET)

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Preprint ARTICLE | doi:10.20944/preprints202112.0404.v1

Timescape: A Simple Spatiotemporal Interpolation Tool

Marco Ciolfi, Francesca Chiocchini, Rocco Pace, Giuseppe Russo, Marco Lauteri

Subject: Environmental And Earth Sciences, Ecology Keywords: Spatiotemporal Modelling; Ecological Modelling; Sparse Data; Minkowskian Geometry; Time Series Analysis; Spatial Statistics; Isoscapes

Online: 24 December 2021 (11:16:17 CET)

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Preprint ARTICLE | doi:10.20944/preprints202308.0145.v1

Redefining Biodiversity Conservation Through an Outcome Separation Framework

Scott Trageser, Paul Hamilton

Subject: Environmental And Earth Sciences, Ecology Keywords: definition; degrees of separation; objective; primary conservation; secondary conservation; tertiary conservation; native species; ecological replacement species

Online: 2 August 2023 (10:19:57 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202305.0206.v1

Testing White’s Floristic Impoverishment Hypothesis in the Forest-Savanna Transition Zones of Africa

Mathew Rees, John L. Godlee, David J. Harris, Casey M. Ryan, Kyle G. Dexter

Subject: Environmental And Earth Sciences, Ecology Keywords: Africa; forest; savanna; phylogenetic; diversity; transition

Online: 4 May 2023 (06:04:39 CEST)

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Preprint REVIEW | doi:10.20944/preprints202401.0332.v3

Review of the Historic Trajectory of Deforestation, its Drivers and Implications in Ethiopia

Mulugeta Lemenih Kassaye

Subject: Environmental And Earth Sciences, Ecology Keywords: Agriculture, Eucalyptus, population growth, policy, restoration

Online: 9 January 2024 (13:58:34 CET)

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This paper aims to provide a comprehensive review of the historical trajectory of deforestation in Ethiopia, spanning an extensive timeframe and exploring its major driving factors. Over the span of three millennia, Ethiopia has experienced persistent deforestation, resulting in a significant reduction of its once-large forest and woodland resources. Currently, small, degraded forests and woodlands exist in isolated patches, located in remote areas such as the southwest and southeast. Major deforestation in Ethiopia unfolded progressively, first along a north-south axis and more recently shifting from the highlands to the lowlands. The northern and central highlands lost most of their natural forests before the turn of the 20th century, while significant loss in the southern highlands occurred over the past 150 years, and in the lowlands over the past 50 years. This deforestation is primarily attributed to the expansion of ox-plow agriculture and population pressure resulting from natural birth and internal migration. Despite efforts to counter deforestation and promote restoration, mostly since the 1970s, successes remain limited. A noteworthy exception in this regard is the introduction of Eucalyptus during the turn of the 20th century and the subsequent expansion of it, mainly in the form of small-scale farmer-led farm forestry. Today, Eucalyptus become the most preferred, well-adapted, widely planted, and the major supplier of wood materials in Ethiopia. The limited success in restoration is attributed to the reliance on campaign-based strategy, lack of private sector involvement, the intertwining of restoration with political agenda, and poorly defined property rights on land, forests, and trees. The consequences of deforestation and resultant environmental degradation have profoundly influenced the socio-economic dynamics of Ethiopia, giving rise to issues such as food insecurity, poverty, migration, and political instability.

Preprint ARTICLE | doi:10.20944/preprints202310.1858.v1

Tree Species Composition and Diversity in a Secondary Forest along the Sierra Madre Mountain Range in Central Luzon, Philippines: Implications for the Conservation of Endemic, Native, and Threatened Plants

Christian Ofalla Llait

Subject: Environmental And Earth Sciences, Ecology Keywords: biodiversity; biodiversity hotspot; correlation analysis; distribution maps; Shannon Weiner index; Simpson’s Evenness index

Online: 30 October 2023 (10:25:21 CET)

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Preprint ARTICLE | doi:10.20944/preprints202304.0808.v1

Determination of Terrace Size and Density Index of Agricultural Terraces in Cittaslow Uzundere using Drone and GIS

Oğuz Gökçe, Mustafa Özgeriş, Neslihan Demircan, Ayşe Karahan, Işık Sezen, Faris Karahan

Subject: Environmental And Earth Sciences, Ecology Keywords: terraced landscape; agricultural heritage; mapping with drone; density index; size index; Uzundere

Online: 24 April 2023 (02:29:02 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202309.2131.v1

Wild Ungulates Constitute the Basis of the Diet of the Iberian Wolf in a Recently Recolonized Area: Wild Boar and Roe Deer as Key Species for Its Conservation

Isabel Barja, Álvaro Navarro-Castilla, Lorena Ortiz-Jiménez, Angel España, Roberto Hinojosa, David Sánchez-Sotomayor, Angel Iglesias, Jose España, Sergio Rubio-Sánchez, Santiago Martín-Romero, Juan Vielva, Fernando Horcajada-Sánchez

Subject: Environmental And Earth Sciences, Ecology Keywords: Canis lupus signatus; domestic ungulates; wild ungulates; Iberian wolf; recolonization

Online: 1 October 2023 (10:12:05 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202306.1521.v1

Diversity, Structure and Development of the Epibiontic Commu-Nity of Paramuricea clavata (Risso, 1826) (Cnidaria, Anthozoa)

Martina Canessa, Ilaria Amedeo, Giorgio Bavestrello, Pier Panzalis, Egidio Trainito

Subject: Environmental And Earth Sciences, Ecology Keywords: Gorgonians; benthic assemblages; fishing impact; global change; conservation; Mediterranean Sea

Online: 21 June 2023 (10:06:21 CEST)

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Preprint REVIEW | doi:10.20944/preprints202304.0008.v1

Assessing Human Influence on Ecological Dynamics: A Study of Anthropogenic Ecology and Impact Measurement

Yuanzhao Ding

Subject: Environmental And Earth Sciences, Ecology Keywords: Anthropocene; Ecological system; Human impacts; Artificial intelligence; Machine learning

Online: 3 April 2023 (05:17:10 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202308.1260.v1

Active Coral Restoration to Preserve the Biodiversity of a Highly Impacted Reef

Irene Pancrazi, Kayla Feairheller, Hassan Ahmed, Carolina Di Napoli, Monica Montefalcone

Subject: Environmental And Earth Sciences, Ecology Keywords: marine ecosystem restoration; habitat restoration; artificial reef; restoration strategies; biodiversity conservation

Online: 17 August 2023 (07:30:05 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202402.1553.v1

Balance of Anthropogenic and Natural Greenhouse Gas Fluxes Over the Territory of the Russian Federation and the Contribution of Sequestration in Forests

Anna Romanovskaya, Vladimir Korotkov

Subject: Environmental And Earth Sciences, Ecology Keywords: GHG fluxes; carbon balance; ecosystems; managed land; anthropogenic emissions and removals; total net-emissions; Russia

Online: 27 February 2024 (14:03:09 CET)

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Preprint ARTICLE | doi:10.20944/preprints202306.0915.v1

Structural Equation Modeling of the Marine Ecological System in Nan Wan Bay using SPSS Amos

Jung-Fu Huang, Chen-Tung Arthur Chen, Meng-Hsien Chen, Shih-Lun Huang, Pi-Yu Hsu

Subject: Environmental And Earth Sciences, Ecology Keywords: Factor Analysis; Structural Equation Model; Marine Ecology

Online: 13 June 2023 (09:46:21 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202309.0149.v1

Ecogeography of Dioscorea remotiflora Kunth Reveals Its Potential in Regions Already Affected by Climate Change

Jocelyn Maira Velázquez-Hernández, José Ariel Ruíz-Corral, Noé Durán-Puga, Miguel Ángel Macías, Diego Raymundo González-Eguiarte, Fernando Santacruz-Ruvalcaba, Giovanni Emmanuel García-Romero, Agustín Gallegos-Rodríguez

Subject: Environmental And Earth Sciences, Ecology Keywords: Dioscorea remotiflora; Mexican endemic species; Niche modeling; Ecological descriptors; Climatic adaptation

Online: 4 September 2023 (08:41:55 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202307.1579.v1

Woody Species Composition, Tree diversity and Regeneration Status of Londiani Forest, Kenya

Evalyne Kosgey Chepkoech, Humphrey Agevi Agevi, Henry Lungayia Lung’ayia, Mugatsia Tsingalia

Subject: Environmental And Earth Sciences, Ecology Keywords: species composition; tree diversity; regeneration; forest management

Online: 25 July 2023 (05:37:03 CEST)

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Tropical forests provide habitats for diverse flora and fauna. In addition, they are essential in regulating the climate while at the same time millions of people depend on them for their livelihoods. As seen by rising political commitment and worldwide promises to reduce rates of deforestation and boost restoration of degraded forest ecosystems, forests are becoming more widely acknowledged for their role as a nature-based solution to many sustainable development concerns. Understanding tropical forest dynamics and their conservation have so become more important. This study analyzed, the forest stand structure, tree species composition, abundance and diversity and the regeneration status of Londiani Forest. Londiani Forest is divided into three blocks, namely Kedowa, Chebewor and Londiani and from each of these blocks belt transects 25 m wide and 1 km long were established 100 m from the edge of the forest to reduce edge effects. At every 200 m along the transect, 25 m × 25 m quadrats were set up in which, an inventory of all tree species was done. For tree species that could not be identified in the field, the local name was provided by para-taxonomists who participated in the data collection and the species name was later identified with the help of a taxonomist or a manual of woody tree species of Londiani Forest. The diameter at breast height (DBH) was measured at 1.3 m from the ground using a diameter tape. Tree height was measured using a Suunto angular clinometer. A nested quadrat 5 m x 5 m quadrat within the 25 m x 25 m quadrat was used to sample saplings while a 1 m x 1 m quadrat was used for sampling seedlings. Regeneration status was assessed using the number of seedlings and saplings. Stumps of trees cut were counted including identifying tree species from which the tree stump was derived. Data from the quadrats were entered into Microsoft Excel. Total stem density, species density, basal area, species basal area, relative density and species diversity were determined. A total of 1,308 individual trees belonging to 34 different species from 24 families were recorded. Kedowa had the highest (27) species richness followed by Chebewor (19) then Londiani (14). There was a statistically significant difference in species richness among the three forest blocks (p<0.05). There were no statistically significant differences in the mean DBH (F=0.560; p=0.729) and height class distribution (F= 0.821, p=.558) among the three forest blocks. There was a statistically significant difference in stem density (F=12.22; p=0.005) and woody species diversity (F=0.32; p=0.001) within the three forests blocks. There was no statistically significant difference in the basal area distribution within the three forest blocks p>0.005. The similarity index ranged from 0.34 to 0.47. In all the forest blocks, there was evidence of seedlings and saplings indicating that there was regeneration. Results clearly show that while the Londiani Forest shows variation in characteristics, there is clear evidence that it is regenerating.

Preprint ARTICLE | doi:10.20944/preprints202309.1827.v2

Conservation Imperatives: Securing the Last Unprotected Terrestrial Sites Harboring Irreplaceable Biodiversity

Eric Dinerstein, Anup R. Joshi, Nathan R. Hahn, Andy T. L. Lee, Carly Vynne, Karl Burkart, Greg P. Asner, Charlotte Beckham, Gerardo Ceballos, Richard Cuthbert, Rodolfo Dirzo, Oliver Fankem, Sarah Hertel, Binbin V. Li, Haley Mellin, Felix Pharand-Deschênes, David Olson, Bivash Pandav, Carlos Peres, Rudi Putra, Amy Rosenthal, Caspar Verwer, Eric Wikramanayake, Andrew Zolli

Subject: Environmental And Earth Sciences, Ecology Keywords: Conservation imperatives; 30 by 30; Protected area targets; Rare species; Land cover fraction mapping; Geospatial analysis; Land costs analysis

Online: 11 March 2024 (11:52:38 CET)

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Preprint REVIEW | doi:10.20944/preprints202309.0066.v1

Developing a Tool for Landscape Sustainability Assessment—Using a New Conceptual Approach in Lebanon

Roula Aad, Nabil Nemer

Subject: Environmental And Earth Sciences, Ecology Keywords: landscape indicators; landscape sustainability; landscape assessment; weighting and aggregation

Online: 4 September 2023 (04:02:41 CEST)

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Preprint REVIEW | doi:10.20944/preprints202401.1012.v1

Common Concepts and Theories between Fisheries Management and Other Environmental Issues

Hiroyuki Matsuda

Subject: Environmental And Earth Sciences, Ecology Keywords: adaptive management; discount rate; the tragedy of the commons; ecosystem services; passive restoration; risk tradeoff; mitigation and adaptation

Online: 12 January 2024 (10:45:04 CET)

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Preprint ARTICLE | doi:10.20944/preprints202309.0851.v1

Micro- and Macroplastics Pollution in the Aquatic Environment of Markakol Lake Located in the Protected Area on the Mountain Slopes of the Southern Part of the Kazakh Altai Mountains

Azamat Madibekov, Laura Ismukhanova, Botakoz Sultanbekova, Askhat Zhadi, Serik Zhumatayev, Ainur Musakulkyzy, Kainar Bolatov, Aisha Madibekova

Subject: Environmental And Earth Sciences, Ecology Keywords: plastic garbage; microplastics; pollution; aquatic environment; concentration

Online: 13 September 2023 (07:49:39 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202304.0814.v1

Delimitation of Ecological Corridor Using Technological Tools

Vinícius Duarte Nader Mardeni, Henrique Machado Dias, Alexandre Rosa dos Santos, Tais Rizzo Moreira, Rita de Cássia Freire Carvalho, Elaine Cordeiro dos Santos, Clebson Pautz, Cecília Uliana Zandonadi

Subject: Environmental And Earth Sciences, Ecology Keywords: environmental geotechnology; landscape ecology; forest recovery

Online: 24 April 2023 (03:53:36 CEST)

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Ecological corridors function as a viable way to mitigate the environmental impact arising from forest fragmentation by interconnecting forest fragments through various techniques. In this context, the objective of this study is to propose a route for the implementation of an ecological corridor in the Itapemirim river watershed. The specific objectives were: (i) to delimit the permanent preservation areas (APP) of the Itapemirim river watershed and compare land use and land cover in the delimited areas; (ii) to calculate landscape ecology indices and select the forest fragments with the highest potential for ecological corridor implementation using Fuzzy logic; (iii) to assess costs and trace the best route for ecological corridor implementation, considering distance and physical impediments; (iv) to assess land costs and expropriation costs to delimit the ecological corridor in the study area. To map land use and land cover, the MapBiomas platform was used, based on Landsat 8 satellite images. The permanent preservation areas were delimited according to criteria established by Law No. 12.651 of May 25, 2012, which establishes parameters, definitions, and limits for APP. The characterization and structural quantification of some landscape ecology indices were performed using the QGIS 3.26 computational application, through the LecoS 3.0.1 plugin and Fragstats 4.2. The connected forest fragments were the Caparaó National Park, the Serra das Torres State Natural Monument, and the fragments selected through the application of Fuzzy logic to the landscape ecology indices. The corridor was delimited according to the lowest cost route, considering land use and land cover, APP, fragment potential, slope, and subnormal clusters. For each cost raster image, its respective statistical weights were calculated using the Analytic Hierarchy Process (AHP) hierarchical method, as well as for the analysis of priority areas for forest restoration, considering land use and land cover, APP, pedology, lithology, and biological importance. The interconnection between protected areas and fragments with the ecological corridor followed the orientation described by CONAMA nº 09/96. Based on the development of the work, the following results were identified: the highest land use and land cover class is pasture. Of the area designated for permanent preservation, 68.58% is in conflicting use with the legislation. The bare land value per hectare of the pasture class is the second highest among the bare land value per LULC values, representing 64.28% of the total. The priority area map showed that 31.86% of the area was classified as of very high or high importance and 42.97% as low or very low priority for forest restoration. Thus, it is concluded that the least cost path algorithm associated with the result generated by the multi-criteria decision method (AHP) constitutes an important tool for planning and implementing an ecological network by taking into account the primary factors for decision-making regarding the location of the best route.

Preprint ARTICLE | doi:10.20944/preprints202312.1580.v1

Assessing Carbon Sequestration Rates from Conservation Management: Price and Potential for Multi-Habitat Nature-Based Carbon Sequestration in Dorset, UK.

Ellie-Anne Jones, Lisa Michelle Paige, Albany Smith, Annabelle Daisy Worth, Lois Betts, Rick Stafford

Subject: Environmental And Earth Sciences, Ecology Keywords: climate change; carbon offsetting; carbon crediting; biodiversity; nature-based solutions.

Online: 20 December 2023 (21:52:58 CET)

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Preprint ARTICLE | doi:10.20944/preprints202310.0015.v1

Rooting Meta-ecosystems with Reciprocal Lateral Carbon and Nitrogen Flows in a Yangtze Coastal Marsh

Yu Gao, Bin Zhao, Neil Saintilan, Wanben Wu, Maina Mbui, Li Wen, Feng Zhao, Tao Zhang, Zhi Geng, Gang Yang, Chao Song, Ping Zhuang

Subject: Environmental And Earth Sciences, Ecology Keywords: coastal wetland; carbon; nitrogen; coupling; stoichiometry; meta-ecosystem

Online: 1 October 2023 (08:52:35 CEST)

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Preprint REVIEW | doi:10.20944/preprints202306.1012.v2

Suitable Forest Management Innovations for Enhancing Forest Productivity without Compromising Growing Stock and Subsidiary Ecosystem Services

Aklilu Wodebo Wola, Kassahun Maru

Subject: Environmental And Earth Sciences, Ecology Keywords: Sustainable,forest management,innovations,participatory,growing stock, ecosystem services; biodiversity

Online: 7 July 2023 (08:27:26 CEST)

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Forest ecosystems provide diverse services and values that contribute to human well-being. Although high proportion of species is still undiscovered, tropical forests alone are thought to host more than 50% of the world’s biodiversity. Beyond supporting via direct use of products like timber, fiber and biomass energy, they play an important role in providing a wide range of ecosystem services such as regulating water flow and quality, water purification, improving infiltration, fresh water, erosion control, carbon sequestration and sedimentation control. They are one of the important parts of terrestrial and the largest carbon pool, occupying an integral position in the global carbon cycle. However, these days, deterioration of nature and forest biodiversity is a severe danger to the global environment. This will be accompanied by increased strains on food supply, causing increased pressure on already delicate ecological systems. Thus, better forest management strategies are necessary for managing forests sustainably. Nevertheless, little is known regarding the existing forest management approaches and their associated benefits and challenges. Multidisciplinary approaches are needed to achieve sustainable management of forests. These can be accomplished if suitable forest management innovations are put in place. Various technologies can also be adopted through applying different forest assessment tools like remote sensing using light detection and ranging technology (LiDAR) in forest management. Harnessing such technologies will definitely result in providing increased socio-economy as well as improved environmental sustainability. However, the speed of transformation depends much on level of commitment of stakeholders including policy makers. As a result, this review is intended to explore existing forest management innovations which are suitable both ecologically as well as socio-economically. This shows that while there is a lot to be improved, there are already developed forest management innovations that are already in use including PFM and MFM, which helps to achieve SFM.

Preprint ARTICLE | doi:10.20944/preprints202309.1767.v1

Dynamics of Soil Mesofauna Communities in a Tropical Urban Coastal Wetland: Responses to Spatiotemporal Fluctuations in Phreatic Level and Salinity

Ortiz-Ramírez Gloria, Elix Hernández, Solimar Pinto-Pacheco, Elvira Cuevas

Subject: Environmental And Earth Sciences, Ecology Keywords: urban wetland, coastal wetlands, Puerto Rico, hydroperiods, phreatic level, salinity conditions, soil mesofauna, biodiversity

Online: 26 September 2023 (10:22:47 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202402.0440.v1

Seagrass Ecosystems of Tropical Islands As Bioindicator of Anthropogenic Trace Metal Contamination

Amrit Kumar Mishra, Anjalis Mishra, Arindam Dey, Raihana Rasheed, Dilmani Kumari, Sandip Kumar Mohakud, Syed Hilal Farooq

Subject: Environmental And Earth Sciences, Ecology Keywords: Coastal Pollution; Trace metals; Accumulation; Andaman and Nicobar Islands; Seagrass

Online: 8 February 2024 (04:06:48 CET)

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Preprint ARTICLE | doi:10.20944/preprints202312.2312.v1

Spatial and Temporal Dynamics of the Vegetation Cover from the Bijagual Massif, Boyacá, Colombia, during the 1986–2021 Period

Pablo Andrés Gil-Leguizamón, Jaime Francisco Pereña-Ortiz, Daniel Sánchez-Mata, Ángel Enrique Salvo-Tierra, Jorge David Mercado-Gómez, And María Eugenia Morales-Puentes

Subject: Environmental And Earth Sciences, Ecology Keywords: high Andean forest; Landsat; landscape metrics; multitemporality; paramo

Online: 29 December 2023 (14:33:48 CET)

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Preprint ARTICLE | doi:10.20944/preprints202302.0261.v1

Wetland Contracts As Sustainable Governance Tools: A Com-Parison Between the Output of the Interreg Project CREW “Co-Ordinated Wetland Management in Italy-Croatia Cross Border Region”

Maria Giulia Cantaluppi, Marta De Marchi, Michela Pace*, Maria Chiara Tosi

Subject: Environmental And Earth Sciences, Ecology Keywords: wetlands; Interreg Italy-Croatia; governance; biodiversity; protection; participation

Online: 16 February 2023 (02:24:32 CET)

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Preprint ARTICLE | doi:10.20944/preprints202401.0303.v1

A Combined Approach to the Assessment of the Level of Pollution and Toxicity by Macro- and Trace Elements of the Territories of Armenia with Different Anthropogenic Loads

Astghik Sukiasyan, Marine Kalantaryan, Anahit Atoyants, Armen Kirakosyan, Rouben Aroutiounian

Subject: Environmental And Earth Sciences, Ecology Keywords: soil; macro elements; trace elements; seasons; genotoxicy; the pollution index

Online: 4 January 2024 (09:32:54 CET)

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Preprint REVIEW | doi:10.20944/preprints202304.1192.v1

Human Settlement and Landscape Anthropization of Remote Oceanic Islands: a Comparison between Rapa Nui (Pacific Ocean) and the Azores (Atlantic Ocean)

Valentí Rull

Subject: Environmental And Earth Sciences, Ecology Keywords: Rapa Nui; Easter Island; Azores Islands; human settlement; anthropization; deforestation; ladnscape; vegetation; paleoecology; palynology

Online: 29 April 2023 (03:07:56 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202401.0246.v1

A Review of Research on Progress in the Theory and Practice of Value Realization of Eco-Products

Jiemin LIU, Xuejiao Su, Yuanmeng LIU, Wei SHUI

Subject: Environmental And Earth Sciences, Ecology Keywords: eco-products; value realization; ecological industry; value accounting

Online: 3 January 2024 (10:42:31 CET)

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Preprint REVIEW | doi:10.20944/preprints202306.1344.v1

Overestimation of Cardiovascular Consequences of Low Dose Radiation Exposures

Sergei Jargin

Subject: Environmental And Earth Sciences, Ecology Keywords: Techa river; Mayak facility; East Urals Radioactive trace; ionizing radiation; cerebrovascular diseases; cardiovascular diseases

Online: 19 June 2023 (10:30:16 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202304.1136.v1

Mineral-Solubilizing Microbial Inoculums Promote Robinia pseudoacacia L. Growth by Optimizing the Rhizosphere Soil Microbial Community Structure

Jingchi Zhang, Zhaohui Jia, Chong Li, Shilin Ma, Xin Liu, Miaojing Meng, Xuefei Cheng, Hui Nie

Subject: Environmental And Earth Sciences, Ecology Keywords: Bacterial communities; Fungal communities; Mineral-solubilizing microbial inoculums; Robinia pseudoacacia L.

Online: 28 April 2023 (07:29:24 CEST)

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The addition of mineral-solubilizing microbial inoculums is a kind of biological measure for vegetation restoration of rock mining areas. Its function is to accelerate soil weathering, improve soil fertility, improve the ability of plants to fix soil. Through understanding the response of plant rhizosphere microbial community to the mineral-solubilizing microbial inoculums, it is helpful to popularize the use of mineral-solubilizing microbial inoculums. However, little is known about the changes of plant rhizosphere soil microbial communities after the addition of mineral-solubilizing microbial inoculums. Therefore, the purpose of this study was to reveal the pasthways through which different mineral-solubilizing microbial inoculums positively affect underground part of R. pseudoacacia. A pot experiment was conducted to investigate the responses of rhizosphere soil bacterial and fungal communities in R. pseudoacacia by taking 32 samples from four different mineral-solubilizing microbial inoculums treatments. The results showed that the effect of mineral-solubilizing microbial inoculums on the structure of fungal community was greater than that of bacterial community. But the relative abundance of Proteobacteria was increased, which had a strong positive correlation with root nodulation. In terms of microbial diversity, mineral-solubilizing microbial inoculums had a greater effect on the diversity and evenness of bacterial community. It is worth noting that correlation analysis showed that Proteobacteria and Verrucomicrobia in bacteria and Ascomycota and Zoopagomycota in fungi were positively correlated with soil enzyme activity and plant growth. RDA analysis showed that the relative abundance of these two phyla in bacteria also had positive effects on plant root nodulation. Our results showed that the addition of mineral-solubilizing microbial inoculums can optimize the rhizosphere soil microbial community structure, promote R. pseudoacacia root nodulation, and enhance the nitrogen fixation capacity of plants. In addition, this study can provide a theoretical basis for the application of mineral-solubilizing microbial inoculums to a wide range of slope ecological restoration.

Preprint ARTICLE | doi:10.20944/preprints202307.1921.v1

Vulture Interactions on Carcasses in a Protected Area: Implications for Conservation in a Savannah Context

Lilly Kuzivakwashe Matumbure, Tafadzwa Matengo, Stephen Long, Tawanda Tarakini

Subject: Environmental And Earth Sciences, Ecology Keywords: Vultures; decomposition state; Camera traps; dominance

Online: 27 July 2023 (12:01:51 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202305.2035.v1

A Strange Spoilage in Goose Sausages and Levilactobacillus Brevis, Mould and Enterococci Are the Responsible

Michela Pellegrini, Federica Barbieri, Chiara Montanari, Lucilla Iacumin, Cristian Bernardi, Fausto Gardini, Giuseppe Comi

Subject: Environmental And Earth Sciences, Ecology Keywords: Levilactobacillus brevis; mould; enterococci; spoilage; goose sausage

Online: 30 May 2023 (04:08:51 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202402.0318.v1

Bark Browsing and Recovery: A Comparative Study between Douglas Fir and Silver Fir Species in the Western Carpathians

Bohdan Konôpka, Vladimír Šebeň, Jozef Pajtík

Subject: Environmental And Earth Sciences, Ecology Keywords: bark stripping; healing of wounds; ruminating ungulates; stem vertical profile; forest sustainability.

Online: 6 February 2024 (03:54:18 CET)

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The foraging behavior of ruminating ungulates significantly impacts forest ecosystems due to their nutritional requirements. This study focuses on inter-specific comparisons of bark browsing (stripping) between Douglas fir (Pseudotsuga menziesii (Mirb.) Franco) and silver fir (Abies alba Mill.). Field measurements were conducted at the previously established research-demonstration site "Husárik" in the Javorníky Mountains, north-western Slovakia. We didn’t only measure the sizes of wounds on stems but also assessed the dimensions of unrecovered parts of wounds, subsequently calculating areas of recovered bark patches. Then, the total areas of wounds, recovered patches, and unrecovered parts were determined. Additionally, the percentages of wound areas, recovered areas, and unrecovered areas were expressed as their proportions to the total bark surface. Influencing factors such as the position of wounds along the vertical stem profile and stem diameter class were analyzed using two- and three-way ANOVA followed by Fisher's LSD test. The results demonstrate the susceptibility of both tree species to bark browsing by ruminating ungulates, primarily red deer (Cervus elaphus L.) in our study site. Douglas fir exhibited slightly less intense browsing compared to silver fir, while silver fir had a slightly higher recovery rate. Specifically, 17.0% of the bark surface in Douglas fir and 21.5% in silver fir were browsed. The proportions of recovered areas on wounds were 62.5% and 69.6% in Douglas fir and silver fir, respectively. Regarding the vertical stem profile, the most intense browsing occurred at a height of 101-125 cm from the ground level, with rates of 40.7% in Douglas fir and 47.0% in silver fir. Browsing intensity showed negligible variation among diameter classes, which were classified as up to 35 mm, 35-50 mm, and over 50 mm. Our findings suggest that, as an introduced species, Douglas fir is not any suitable substitute for other commercially significant tree species in European countries where ruminating ungulates are overabundant.

Preprint ARTICLE | doi:10.20944/preprints202305.1676.v1

Montane Ecoclines as Social Aggregation Zones in Ancient Central Asia: Agropastoral economies in Jukuu, Kyrgyzstan

Claudia Chang, Sergei S. Ivanov, Robert N. Spengler III, Basira Mir-Makhamad, Perry Alan Tourtellotte

Subject: Environmental And Earth Sciences, Ecology Keywords: Agropastoralism; Central Asia; Archaeology; Archaeobotany; Turkic burial mound; Iron Age settlement; Ecotones; Mountainous ecoclines

Online: 24 May 2023 (03:17:20 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202305.0613.v1

Remotely-Sensed Carbon Density, Plant Species Diversity and Its Relation to Forest Clearing Dynamics in the Puuc Biocultural State Reserve, Mexico

Carlos Portillo-Quintero, J. Luis Hernández-Stefanoni, Juan Manuel Dupuy

Subject: Environmental And Earth Sciences, Ecology Keywords: Yucatan; Puuc; Landsat; Carbon; Species Diversity; ALOS-2 PALSAR-2; tropical dry forests

Online: 9 May 2023 (08:46:10 CEST)

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In the Neotropics, the integration of remotely sensed products to understand socioecological processes at local scales is limited by the physical difficulties and financial costs of collecting field data to train and validate these models. In this study, we used carbon density and tree species richness models generated from ALOS-2 PALSAR 2 imagery and national scale forest inventory data and compared these products to a Landsat-based continuous change detection product for the 2000-2021 period. This was performed to evaluate forest clearing dynamics in and around the Puuc Biocultural State Reserve (PBSR) in Mexico. The estimated error-adjusted area of detected annual forest clearings from the year 2000 until the year 2021 was 230,511 ha in total (+19,979 ha). The analysis of annual forest clearing frequency and area suggests that although forest clearing was significantly more intensive outside of the PBSR than within the PBSR during the entire 2000-2021 period, there is no evidence suggesting that the frequency and magnitude of forest clearing has changed over the years after the creation of the PBSR in 2011. The emerging hotspot analysis shows, however, that forest clearing spatiotemporal clustering (hotspots) during the 2012-2021 period was less widespread and mostly confined to areas outside the PBSR. In addition, the analysis shows forest clearing clustering is on a downward trend within the PBSR. After comparing forest clearing events to carbon density and tree species richness models, our data also suggests that land owners within the PBSR might be practicing longer barbecho (fallow) periods in contrast to land owners outside the PBSR allowing forests to attain higher carbon density and tree species richness and hence better soil nutrient recovery after land abandonment. In conclusion, our results show that the PBSR effectively acts as stabilizing forest management scheme that minimizes the impact of productive activities by lowering the frequency of forest clearing events and preserving late secondary forests. We recommend the continuation of efforts for providing alternative optimal field data collection strategies and modeling techniques to spatially predict key tropical forest attributes. The combination of these models with continuous change detection datasets will allow to reveal underlying ecological processes and generate information better adapted to forest governance scales.

Preprint ARTICLE | doi:10.20944/preprints202309.1027.v1

Recovery of Tropical Forests in Southern Haiti Reflects Shift in Local Governance

Angelet Sylvéus, Christhian Santana Cunha, Bernardo Monteiro Flores, Catarina Conte Jakovac, Nivaldo Peroni

Subject: Environmental And Earth Sciences, Ecology Keywords: shifting agriculture; logging; remote sensing; land-use change; resilience; social-ecological system

Online: 15 September 2023 (13:47:10 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202309.1611.v1

Effects of Lotus (Nelumbo nucifera Gaertn.) on the Methane Emission in Littoral Zones of a Subtropical Lake, China

Wenchang Zhou, Xiangjuan Yuan, Liangkang He, Yuhu Shi, Xiuhuan Xu, Wenhui Ou, Shanshan Xiang, Jiawei Yang, Tian Fu

Subject: Environmental And Earth Sciences, Ecology Keywords: methane emission; littoral lake; lotus; carbon sink; greenhouse gases; Yangtze River

Online: 25 September 2023 (06:04:52 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202305.0150.v1

Using Drifters Equipped with Acoustic Tags to Verify the Efficacy of an Array of Acoustic Receivers for Estimating Probability of Fish-Turbine Encounter

Brian Gavin Sanderson, Richard Karsten, Daniel James Hasselman

Subject: Environmental And Earth Sciences, Ecology Keywords: acoustic tag; detection efficiency; drifter; tidal energy; MHK turbine; fish-turbine encounter; encounter probability; acoustic telemetry

Online: 3 May 2023 (12:41:30 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202306.1201.v1

Determining the Provenance of Traded Wildlife in the Philippines

Kate J. Brandis, Phoebe Meagher, Sabine Schoppe, Kyle Zawada, Indira Widmann, Peter Widmann, Roger Dolorosa, Roxane Francis

Subject: Environmental And Earth Sciences, Ecology Keywords: stable isotopes; illegal wildlife trade; provenance; pXRF; elemental signatures

Online: 16 June 2023 (09:45:50 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202310.1031.v1

Synergizing Agroforestry and Climate-Smart Agriculture for Climate Change Adaptation in Australia and Pacific Island Countries.

Vinesh Prasad, Daniel Cole

Subject: Environmental And Earth Sciences, Ecology Keywords: Agroforestry; Climate-Smart Agriculture; Climate Change Adaptation; Australia; Pacific Island Countries; Climate Variables; Crop Production; Sustainability

Online: 17 October 2023 (09:37:21 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202306.1899.v1

Farmers’ Perception about Climate Change and Variability, and Its Impact on Agriculture: In the Case of Dorebafana District, Sidama Region of Ethiopia.

Aklilu Wodebo Wola

Subject: Environmental And Earth Sciences, Ecology Keywords: climate change; variability; farmers’ perception; agriculture; Dorebafana

Online: 27 June 2023 (12:16:26 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202304.1022.v1

Probability of Atlantic Salmon Post-Smolts Encountering a Tidal Turbine Installation in Minas Passage, Bay of Fundy

Brian Gavin Sanderson, Richard Karsten, Cameron Solda, David C Hardie, Daniel James Hasselman

Subject: Environmental And Earth Sciences, Ecology Keywords: fish; MHK turbine; probability of encounter; tidal energy; Atlantic salmon; smolt; acoustic telemetry

Online: 27 April 2023 (03:58:04 CEST)

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Preprint REVIEW | doi:10.20944/preprints202306.1012.v1

Review on: Suitable Forest Management Innovations for Enhancing Forest Productivity without Compromising Growing Stock and Subsidiary Ecosystem Services

Aklilu Wodebo Wola, Kassahun Maru

Subject: Environmental And Earth Sciences, Ecology Keywords: Sustainable; forest management; innovations; participatory; growing stock; ecosystem services; biodiversity

Online: 14 June 2023 (08:30:07 CEST)

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Forest ecosystems provide diverse services and values that contribute to human well-being. Although high proportion of species is still undiscovered, tropical forests alone are thought to host more than 50% of the world’s biodiversity. Beyond supporting via direct use of products like timber, fiber and biomass energy, they play an important role in providing a wide range of ecosystem services such as regulating water flow and quality, water purification, improving infiltration, fresh water, erosion control, carbon sequestration and sedimentation control. They are one of the important parts of terrestrial and the largest carbon pool, occupying an integral position in the global carbon cycle. However, these days, deterioration of nature and forest biodiversity is a severe danger to the global environment. This will be accompanied by increased strains on food supply, causing increased pressure on already delicate ecological systems. Thus, better forest management strategies are necessary for managing forests sustainably. Nevertheless, little is known regarding the existing forest management approaches and their associated benefits and challenges. Multidisciplinary approaches are needed to achieve sustainable management of forests. These can be accomplished if suitable forest management innovations are put in place. Various technologies can also be adopted through applying different forest assessment tools like remote sensing using light detection and ranging technology (LiDAR) in forest management. Harnessing such technologies will definitely result in providing increased socio-economy as well as improved environmental sustainability. However, the speed of transformation depends much on level of commitment of stakeholders including policy makers. As a result, this review is intended to explore existing forest management innovations which are suitable both ecologically as well as socio-economically. This shows that while there is a lot to be improved, there are already developed forest management innovations that are already in use including PFM and MFM, which helps to achieve SFM. Key words: Sustainable, forests, management, innovations, participatory, growing stock,

Preprint REVIEW | doi:10.20944/preprints202401.0853.v1

State of the Art and Environmental Aspects of the Plant Microbial Fuel Cells Application

Roman Lepikash, Daria Lavrova, Devard Stom, Valery Meshalkin, Olga Ponamoreva, Sergey Alferov

Subject: Environmental And Earth Sciences, Ecology Keywords: plant microbial fuel cell; electrogenic microorganisms; biofuel cells; synthetic surfactants; ecosystem cleaning; reduction of greenhouse gases; environmental protection

Online: 11 January 2024 (11:28:08 CET)

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Preprint ARTICLE | doi:10.20944/preprints202402.1522.v1

Mapping Dissolved Organic Carbon (DOC) and Organic Iron by Comparing Deep Learning and Linear Regression Techniques Using Sentinel 2 and WorldView 2 Imagery (Byers Peninsula, Marine Antarctica)

Susana del Carmen Fernández, Rubén Muñiz, Juanjo Peón, Ricardo Rodríguez-Cielos, Jesús Ruíz, Javier F. Calleja

Subject: Environmental And Earth Sciences, Ecology Keywords: maritime antarctica; dissolved organic carbon; organic iron; soil mapping; linear regression; deep learning; Sentinel2 images; WordView 2 imagery

Online: 27 February 2024 (13:28:44 CET)

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Preprint ARTICLE | doi:10.20944/preprints202306.1606.v1

Trees Diversity and Species with High Ecological Importance for Resilient Urban Area: Evidence from Cotonou City in West Africa

Jonas Assouhan ATCHADE, Madjouma Kanda, Fousseni Folega, Hounnankpon YÉDOMONHAN, Marra Dourma, Wala Kperkouma, AKPAGANA Koffi

Subject: Environmental And Earth Sciences, Ecology Keywords: Urban trees diversity; ecosystem services; ecological importance; species abundance; urban ecological planning; climate adaptation; Conservation planning; Cotonou

Online: 22 June 2023 (11:35:19 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202309.1359.v1

Untangling the Distribution of Encephalartos villosus in Nutrient Deficient Soils of South Africa

Nqobile Mostsomane, Terence Nkwanwir Suinyuy, María A. Pérez-Fernández, Anathi Magadlela

Subject: Environmental And Earth Sciences, Ecology Keywords: Encephalartos villosus; cycad-microbe symbiosis; nutrient deficient soils; biological nitrogen fixation

Online: 20 September 2023 (13:55:05 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202301.0485.v1

Evaluation of Mangrove Ecosystem Importance for Local Livelihoods in Different Landscapes: A Case Study of the Hau and Hoang Mai River Estuaries in Nghe An, North-Central Vietnam

Tuyen Thi Tran, Kazuya Takahashi, Hiroaki Nishikawa, Viet Ha Thi Nguyen, Thuy Thi Hoang, Thuy Ha Thi Nguyen, Tai Khac Dau, Vinh Thi Vo, Du Dinh Tran

Subject: Environmental And Earth Sciences, Ecology Keywords: mangrove; ecosystem service; landscape; livelihood; income structure

Online: 26 January 2023 (17:16:00 CET)

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Preprint ARTICLE | doi:10.20944/preprints202403.0052.v1

Interactions of Opuntia ficus-indica with Dactylopius coccus and D. opuntiae (Hemiptera: Dactylopiidae) through the Study of Their Volatile Compounds

Esteban Rodríguez-Leyva, Esperanza García-Pascual, Marco M. González-Chávez, Santiago de J. Méndez-Gallegos, Juan A. Morales-Rueda, Juan C. Posadas-Hurtado, Ángel Bravo-Vinaja, Avelina Franco-Vega

Subject: Environmental And Earth Sciences, Ecology Keywords: Cactus pear; phytophagous insects; terpenes; methyl salicylate; p-vinylguaiacol

Online: 1 March 2024 (14:25:40 CET)

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Preprint TECHNICAL NOTE | doi:10.20944/preprints202312.1366.v1

Anura (Class Amphibia) Diversity Based on Environmental DNA (eDNA) in the Paddy Field Water Environment

Keonhee Kim

Subject: Environmental And Earth Sciences, Ecology Keywords: eDNA; metabarcoding, paddy field; amphibia; biodiversity

Online: 19 December 2023 (09:52:14 CET)

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Preprint ARTICLE | doi:10.20944/preprints202311.0617.v1

Modelling Habitat Suitability of Luciola cruciata Based on Local Landscape Features

Tomoya Ogami, Shinji Fukuda, Hirofumi Kakudo, Roy Sidle

Subject: Environmental And Earth Sciences, Ecology Keywords: habitat suitability; data-driven model; artificial light at night; riparian habitat; firefly

Online: 9 November 2023 (11:13:53 CET)

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Preprint ARTICLE | doi:10.20944/preprints202311.1544.v1

Effect of Acute Thermal Stress Exposure on Physiological Traits of the Mediterranean Sponge Chondrilla nucula: Implications for Climate Change

Mar Bosch-Belmar, Martina Milanese, Antonio Sarà, Valeria Mobilia, Gianluca Sarà

Subject: Environmental And Earth Sciences, Ecology Keywords: porifera; mediterranean; warming; stressor; respiration; clearance

Online: 24 November 2023 (04:32:44 CET)

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Preprint ARTICLE | doi:10.20944/preprints202402.0615.v3

Long-Term Effect of Fire on Leaf Production in a Southwest Missouri Oak Woodland

Sanjeev Sharma, D Alexander Wait, Puskar Khanal, Akeem Ajao

Subject: Environmental And Earth Sciences, Ecology Keywords: Ecosystem; woodland; regression; precipitation; saplings

Online: 14 February 2024 (04:04:54 CET)

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Preprint ARTICLE | doi:10.20944/preprints202311.0386.v1

Shining a Light on Symbiosis: N-Fixing Bacteria Boost Legume Growth Under Varied Light Conditions

María. Pérez-Fernández, Irene Ariadna De Lara-Del-Rey, Anathi Magadlela

Subject: Environmental And Earth Sciences, Ecology Keywords: legumes; light availability; symbionts; nitrate reductase; acid phosphatase; phenolic acid

Online: 7 November 2023 (07:05:12 CET)

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Legumes are a diverse and important group of plants that play a vital role in agriculture, food security, and environmental sustainability. Rhizobia are symbiotic bacteria that form nitrogen-fixing nodules on legume roots, providing the plant with a valuable source of nitrogen. Phenolic acids are a group of secondary metabolites produced by plants that have a wide range of biological functions, including defense against pests and diseases, tolerance to abiotic stresses, and nutrient uptake. In the context of climate change and the imperative for sustainable agriculture, this study delves into the dynamic responses of legume species to varying light intensities and their intricate interactions with soil microorganisms. We investigated the impact of light intensity and rhizobial inoculation on the biomass, nitrate reductase, acid phosphatase, and production of phenolic acids in the roots of four legume species, Trifolium repens, Vicia sativa, Ornithopus compressus, and Coronilla juncea. Plants were grown under three light intensity regimes (low, medium, and high) and inoculated with either rhizobia or a non-inoculated control. The results highlights that shaded-light-adapted species, T. repens and V. sativa, increased root exudate production when exposed to high light intensity. This response aligns with their mining strategy, effectively allocating resources to optimize nutrient acquisition under varying conditions. In contrast, species hailing from well- illuminated environments, O. compressus and C. juncea, displayed distinct strategies by significantly increasing biomass under high irradiance, capitalizing on the available light and nutrients. The mining strategy of legumes emerged as a central theme, influencing biomass production, nitrogen dynamics, and enzymatic activities. The strong correlations between biomass and total nitrogen accumulation underscore the role of the mining strategy in efficient nutrient acquisition. Inoculated plants, which rely more on biological nitrogen fixation (BNF), exhibited lower δ15N values, indicative of a successful mining strategy to acquire and utilize atmospheric nitrogen. Enzymatic activities and phenolic acids exhibited significant interspecies variations, reflecting the adaptability of legumes to different light conditions. The findings of this study could be used to develop new strategies for improving legume stress tolerance, nutrient uptake capacity, and rhizosphere health.

Preprint REVIEW | doi:10.20944/preprints202308.0483.v1

Towards Understanding the Factors behind the Limited Integration of Multispecies Ecotoxicity Assessment in Environmental Risk Characterisation of Graphene Family Materials - A Bibliometric Review

Ildikó Fekete-Kertész, Krisztina László, Mónika Molnár

Subject: Environmental And Earth Sciences, Ecology Keywords: Graphene family materials; Ecotoxicity; Nanoecotoxicology; Environmental impact; Environmental relevance; Microcosm; Mesocosm; Multispecies ecotoxicity testing

Online: 7 August 2023 (09:58:51 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202306.1402.v1

Ecosystem Service Optimisation in the Central Plains Urban Agglomeration Based on Land Use Structure Adjustment

Min Liu, Jianpeng Fan, Yuanzheng Li, Qizheng Mao

Subject: Environmental And Earth Sciences, Ecology Keywords: ecosystem services; optimisation; InVEST model; NSGA II; Central Plains Urban Agglomeration

Online: 20 June 2023 (08:11:13 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202311.1354.v1

Restoration of Degraded Landscapes Along the Urban-Rural Gradient of Lubumbashi City (DR Congo) by Acacia auriculiformis Plantations: Spatial Dynamics and Impact on Plant Diversity

Yannick Useni Sikuzani, Héritier Khoji Muteya, Jonas Yona Mleci, Médard Mpanda Mukenza, François Malaisse, Jan Bogaert

Subject: Environmental And Earth Sciences, Ecology Keywords: Urbanization; Green infrastructure; Urban forestry; Biological invasion; Ecological restoration

Online: 22 November 2023 (07:46:31 CET)

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Preprint ARTICLE | doi:10.20944/preprints202310.0975.v1

Forests Structure and Carbon Reserve in Natural and Replanted Mangrove Forests in Different Years in the Limpopo Estuary, Gaza Province, Mozambique

Fatima Jose Inacio Da Costa, Celia Da Conceicao Macamo

Subject: Environmental And Earth Sciences, Ecology Keywords: Limpopo estuary; mangrove forests; hydrological restoration; mangrove conservation; biomass; carbon storage

Online: 16 October 2023 (16:58:09 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202305.0430.v1

Plant Phenology Simulation and Trigger Threshold Based on Total Climatic Production Factors – a Case Study of Stipa krylovii Phenology

Guangsheng Zhou, Wenjie Gu, Li Zhou, Xingyang Song, Xiaomin Lv, Erhua Liu, Yuhe Ji

Subject: Environmental And Earth Sciences, Ecology Keywords: Phenology; total climate production factors; S. krylovii plant; simulation; triggering threshold

Online: 8 May 2023 (03:23:33 CEST)

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Preprint REVIEW | doi:10.20944/preprints202403.1094.v1

Appeal for a Responsible (Sustainably Intensive) Agriculture

Herbert Dr. Ströbel

Subject: Environmental And Earth Sciences, Ecology Keywords: Organic Agriculture; Food Security; Green House Gas Emission; Biodiversity; Production costs

Online: 19 March 2024 (08:52:36 CET)

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Preprint ARTICLE | doi:10.20944/preprints202404.0236.v1

Prediction of Suitable Habitat of Alien Invasive Plant Ambrosia trifida in Northeast China under Various Climatic Scenarios

Shengjie Chen, Xuejiao Bai, Ji Ye, Weiwei Chen, Guanghao Xu

Subject: Environmental And Earth Sciences, Ecology Keywords: Ambrosia trifida; MaxEnt; Kuenm; Preventive measures

Online: 3 April 2024 (09:30:21 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202309.1237.v1

Comparative Analysis of the Structure of Benthic Macroinvertebrate Communities in Maritsa River (Bulgaria) and Han River (South Korea)

Jiyoung Park, Lidia G. Sakelarieva, Emilia D. Varadinova

Subject: Environmental And Earth Sciences, Ecology Keywords: lotic ecosystems; community ecology; biodiversity indices

Online: 20 September 2023 (07:58:38 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202305.1892.v1

Urban Ecosystem Services and Determinants of Stakeholder’s Perception for Sustainable Cities Planning: Case of Cotonou City in Benin

Jonas Assouhan ATCHADE, Madjouma KANDA, Fousseni FOLEGA, Dourma Marra, Kperkouma Wala, Koffi AKPAGANA

Subject: Environmental And Earth Sciences, Ecology Keywords: Urban Ecosystem Services; perceptions; Socio-ecological analysis; urban adaptation planning; sustainable cities; Cotonou.

Online: 26 May 2023 (08:30:31 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202309.0974.v1

Spatial and Temporal Evolution of the Eco-Efficiency of Cultivated Land Use in the Region around Beijing-Tianjin Based on the Super-EBM Model

Xiaoqing Li, Li Zhao, Xinhan Chang, Jie Yu, Xinming Song, Lizhu Zhang

Subject: Environmental And Earth Sciences, Ecology Keywords: Eco-efficiency of cultivated land use; Super-EBM model; Spatial-temporal evolution; The region around Beijing-Tianjin

Online: 14 September 2023 (09:12:32 CEST)

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Preprint REVIEW | doi:10.20944/preprints202307.1092.v1

Survey on Fungi in Antarctica and High Arctic Regions, and Their Impact on Climate Change

Masaharu Tsuji

Subject: Environmental And Earth Sciences, Ecology Keywords: Antarctica; High Arctic; fungi; climate change

Online: 17 July 2023 (09:48:48 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202404.0787.v1

A Highly Homogeneous Airborne Fungal Community Around a Copper Open-Pit Mine Reveals a Poor Contribution by the Local Aerosolization of Particles

Sebastián Fuentes-Alburquenque, Victoria Olivencia Suez, Omayra Aguilera, Blanca Águila, Luis Rojas Araya, Dinka Mandakovic

Subject: Environmental And Earth Sciences, Ecology Keywords: microbial community; diversity; air; fungi; bioaerosol

Online: 11 April 2024 (08:03:29 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202402.0653.v1

Mono-Specific Data Deficient Saltmarsh Species Has Climate Relevant Carbon Stocks From the East Coast of India

Amrit Mishra, Arindam Dey, Anjalis Mishra, Sandip Kumar Mohakud, Syed Hilal Farooq

Subject: Environmental And Earth Sciences, Ecology Keywords: saltmarsh; carbon stocks; Porterasia coarctata; nature-based solution; stable isotopes

Online: 12 February 2024 (10:50:21 CET)

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Despite saltmarshes being considered as nature-based solutions (NbS) towards climate change mitigation, India’s saltmarsh ecosystems are least studied. This study quantifies the seasonal variation in carbon stocks mono-specific saltmarsh species (Porteresia coarctata) and its potential to play an important role in India’s climate change mitigation plans. Seasonal (pre-and post-monsoon) sampling of P. coarctata surface water, biomass and 30 cm sediment core was collected across four locations on the east coast of India to quantify sediment dry bulk density (DBD), organic matter (OM%), organic carbon (Corg%), Corg stocks of sediment and biomass, total carbon (C%) and nitrogen (N%) and stable isotopes of δ13C and δ15N. In general, the sediment DBD, OM and Corg of P. coarctata meadows was higher in post-monsoon and was influenced by salinity and pH changes. Isotope (δ¹³C) modelling of various sediment C sources suggested, particulate organic matter (POM) contribution was highest (0.04-0.79%) followed by P. coarctata (0.01–052%) and other macrophytes across our study locations. The seasonal variation of δ¹³C showed increased contribution of marine derived particulate and dissolved organic matter into P. coarctata meadows in post-monsoon season. Heavier δ¹⁵N values were observed in post-monsoon season suggesting anthropogenic input, that was utilized by P. coarctata to increase its above and below-ground biomass and shoot density. The combined ecosystem (30 cm sediment + biomass) Corg stocks of P. coarctata was 1.7-fold higher in post-monsoon (4021.20± 917 Mg C) compared to pre-monsoon (2297.36 ±647 Mg C) season among the four locations with a sediment Corg contribution >70%. Based on the International Panel for Climate Change Tier II assessment the P. coarctata meadows (443 ha) can help in avoiding the pre and post-monsoon emissions of 8431.34 and 14757.84 Mg CO₂ respectively. The combined price of the total CO₂ equivalent stored in P. coarctata meadows in pre- and post-monsoon is US$ 14.50 and US$ 25.38 million respectively. Further studies quantifying the NbS potential of P. coarctata mono-specific and mixed meadows of India’s coast is needed along with integration of saltmarsh ecosystems into India’s National Action Plan on Climate Change.

Preprint REVIEW | doi:10.20944/preprints202305.0325.v1

Lodgepole Pine and White Spruce Thinning in Alberta―a Review of North American and European Best Practices

Mark Baah-Acheamfour, Amanda Schoonmaker, Mark Dewey, Brian E. Roth

Subject: Environmental And Earth Sciences, Ecology Keywords: basal area; commercial thinning; crown ratio; density management; pine; spruce

Online: 5 May 2023 (07:51:45 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202308.1416.v1

Analysis of Spatial Relationship Based on Ecosystem Services and Ecological Risk Index in the Counties of the Chongqing

Zihui LI, Kangwen ZHU, Dan SONG, Dongjie GUAN, Jiameng CAO, Xiangyuan SU, Yanjun ZHANG, Ya ZHANG, Yong BA, Haoyu WANG

Subject: Environmental And Earth Sciences, Ecology Keywords: ecosystem services; ecological risk; spatial relationships; driving factors; Chongqing

Online: 21 August 2023 (08:08:56 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202401.0784.v1

AI- Light Spectrum Replicator (LSR): A Novel Simulated In Situ Lab/on-Deck Incubator

Staša Puškarić, Mateo Sokač, Živana Ninčević, Heliodor Prelesnik, Knut Yngve Børsheim

Subject: Environmental And Earth Sciences, Ecology Keywords: primary productivity; ocean; simulated in situ incubator; method; irradiance

Online: 10 January 2024 (11:08:18 CET)

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Preprint ARTICLE | doi:10.20944/preprints202308.0389.v1

Root Foraging by Trees and Shrubs

Francis E. Putz, Charles D. Canham, Scott V. Ollinger

Subject: Environmental And Earth Sciences, Ecology Keywords: environmental heterogeneity; functional traits; root architecture; root foraging; vegetative expansion

Online: 4 August 2023 (11:13:08 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202308.1875.v1

The Influence of Land Cover Change Towards Connectivity Networks of Forest Ecosystem in Tesso Nilo National Park

Aulia Fajrin Ramadhani Nasution, Kurnia Yunitasari, Muhammad Reza Fauzan, Rizki Atthoriq Hidayat

Subject: Environmental And Earth Sciences, Ecology Keywords: ecosystem network connectivity; fragmentation; land cover change; Tesso Nilo National Park; forest

Online: 29 August 2023 (03:39:58 CEST)

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Preprint HYPOTHESIS | doi:10.20944/preprints202310.0904.v1

Life (on Earth) as a Product of Biological Interaction? An Inquiry

Dozie Iwuh, John Iyo

Subject: Environmental And Earth Sciences, Ecology Keywords: life; origin; cell; water; Nucleotides; DNA; Equilibrium; Biological Interaction

Online: 16 October 2023 (05:38:46 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202310.0790.v1

Analysis of the Grassland Fires Effect on Dust Weather in Mongolia Based on Satellite-Derived Data

Ling Wen, Mei Yong, Yulong Bao, Rong Fu, Eerdemutu Jin

Subject: Environmental And Earth Sciences, Ecology Keywords: grassland fire; dust weather; spatiotemporal variation; Pearson correlation analysis; Dornod aimag

Online: 12 October 2023 (07:59:41 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202310.1494.v1

Assessing the Tourism City from an ES Perspective: The Evaluation of Tourism Service in Liyang, China

Xiangnan Fan, Yuning Cheng

Subject: Environmental And Earth Sciences, Ecology Keywords: tourism service evaluation; ecosystem services (ES); AHP-entropy weight method; GIS spatial analysis; text mining

Online: 24 October 2023 (08:34:17 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202401.2031.v1

Seasonal Variability of Cultivable Nitrate Reducing and Denitrifying Bacteria and Functional Gene Copy Number in a Fresh Water Lake

Jörg Böllmann, Marion Martienssen

Subject: Environmental And Earth Sciences, Ecology Keywords: denitrification; nitrite reductase; MPN; vbnc state; PCR; microscopical cell number; dimictic lake, epilimnion; hypolimnion; sediment

Online: 29 January 2024 (12:31:41 CET)

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Preprint ARTICLE | doi:10.20944/preprints202309.1586.v1

Carbon Dioxide Fluxes and Influencing Factors in the Momoge Salt Marsh Ecosystem, Jilin Province, China

Qiongfang Ma, Chaofan Zhang, Ling Chen, Mingyuan Yao, Fan Yang, Haixia Yu, Shengnong Fan, Hong Yan, Wei Li

Subject: Environmental And Earth Sciences, Ecology Keywords: carbon dioxide fluxes; net ecosystem exchange; photosynthetically active radiation; salt marshes

Online: 26 September 2023 (08:19:12 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202309.1673.v1

Study on the Rainwater Interception Process and Capacity of Urban Tree Organs in Shanghai

Benyao Wang, Yanting Zhang, Jiankang Guo

Subject: Environmental And Earth Sciences, Ecology Keywords: tree organs; urban tree species; rainwater interception capacity; Shanghai

Online: 25 September 2023 (11:09:25 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202401.0609.v1

Processing and Marketing of Rattan Cane in Ibadan Metropolis

Wuraola Biyi-Ayetoso, Saka Jimoh

Subject: Environmental And Earth Sciences, Ecology Keywords: raw material availability; over-exploitation; sustainable livelihoods and socio-economic impact

Online: 8 January 2024 (09:21:44 CET)

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This research investigates the socio-economic impact of rattan cane processing on the livelihoods of practitioners in Ibadan Metropolis. It comprehensively assesses raw material availability, examines factors influencing demand and supply, and evaluates sales to determine the profitability of rattan processors. With the snowball and total enumeration sampling methods, the study engages with a diverse group of rattan processors. The study reveals a concerning 36% acknowledgement of a decline in the availability of canes attributed to deforestation and over-exploitation. Notably, it emphasizes that rattan product manufacturing in Ibadan Metropolis operates at a craft level, employing tools like saws, hammers, knives, gas cylinders, pinches, and tape rules, impacting production efficiency and product longevity. Additionally, the research underscores the absence of government support and credit facilities reported by all respondents. The Market Margin analysis highlights varying profitability levels across rattan products, with chairs exhibiting notably higher profitability (32.22%) than others. Individual profit margins for specific products, such as chairs (145.00%), underscore the significance of processing costs, production time, and market demand. The study offers strategic recommendations, advocating for district-level service centres for training, technology transfer, and support to enhance skills and technical efficiency. It calls for government intervention through incentives, facilities, tax breaks, and policies to fortify the rattan trade, improving production standards and unlocking export market potential. Furthermore, financial support, technical assistance, and mechanization should be employed to reduce production costs and time, ultimately elevating income generation in the rattan industry. This research contributes valuable insights to the discourse on sustainable livelihoods and economic viability within the rattan sector.

Environmental and Earth Sciences