Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Occurrence, Structure and Abundance Natural and Artificial of Juglans neotropica Diels, in the Province of Loja and Zamora Chinchipe in Southern Ecuador

Version 1 : Received: 8 June 2023 / Approved: 8 June 2023 / Online: 8 June 2023 (07:13:55 CEST)

How to cite: Herrera, B. P.; Lorenzo, S. P.; Cofrep, D. P. Occurrence, Structure and Abundance Natural and Artificial of Juglans neotropica Diels, in the Province of Loja and Zamora Chinchipe in Southern Ecuador. Preprints 2023, 2023060599. https://doi.org/10.20944/preprints202306.0599.v1 Herrera, B. P.; Lorenzo, S. P.; Cofrep, D. P. Occurrence, Structure and Abundance Natural and Artificial of Juglans neotropica Diels, in the Province of Loja and Zamora Chinchipe in Southern Ecuador. Preprints 2023, 2023060599. https://doi.org/10.20944/preprints202306.0599.v1

Abstract

The study was carried out in zone 7 of Ecuador, in ecosystems of the Southern Montane Evergreen Forest of the Eastern Cordillera of the Andes that goes from 2200 to 3000 masl. In the Evergreen Seasonal Lower Montane Forest of Catamayo-Alamor, which ranges from 1600-2000 meters above sea level and finally in the Semideciduous Foot Montane Forest of Catamayo-Alamor, which ranges from 400-1600 meters above sea level. The objective was to know the occurrence, structure and abundance of J. neotropica. The investigation consisted of collecting secondary information on the occurrence of the species, to later verify it in situ. Six sites with areas ≥ 0.5 hectares were identified, four in the province of Loja and two in the province of Zamora Chinchipe. Regarding the structure, it was determined that there are significant statistical differences as well as in the dasometric variables between one site and another, presenting better growths El Tundo with average values in DAP(cm)= 45.16; G(m2) = 1.41; HT(m)= 19.22; HC(m)= 13; VC(m3) = 3.55; VT(m3) = 5.22. Regarding the Morisita index, the species presents adistribution pattern >1. Regarding abundance, it was determined that Algeria presented a maximum of 297 (ind/ha), and La Victoria 46 (ind/ha) with a minimum.

Keywords

Genetics; forest; ecosystem; wood; native; extinction

Subject

Environmental and Earth Sciences, Environmental Science

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