Preprint Article Version 1 This version is not peer-reviewed

Characterizing Selected Wetland Habitats’ Desiccation Phenomena Using the Crop Water Stress Index

Version 1 : Received: 10 December 2018 / Approved: 12 December 2018 / Online: 12 December 2018 (05:27:14 CET)

How to cite: Góraj, M.; Ciężkowski, W.; Sikorski, P.; Kleniewska, M.; Szporak-Wasilewska, S.; Jóźwiak, J.; Gnatowski, T.; Szatyłowicz, J.; Chormański, J. Characterizing Selected Wetland Habitats’ Desiccation Phenomena Using the Crop Water Stress Index. Preprints 2018, 2018120139 (doi: 10.20944/preprints201812.0139.v1). Góraj, M.; Ciężkowski, W.; Sikorski, P.; Kleniewska, M.; Szporak-Wasilewska, S.; Jóźwiak, J.; Gnatowski, T.; Szatyłowicz, J.; Chormański, J. Characterizing Selected Wetland Habitats’ Desiccation Phenomena Using the Crop Water Stress Index. Preprints 2018, 2018120139 (doi: 10.20944/preprints201812.0139.v1).

Abstract

The research carried out concerned the laboratory assessment of the applicability of the Crop Water Stress Index (CWSI) as a practical tool for assessing the risk of desiccation for selected wetland habitats: transition mires and quaking bogs as well as alkaline fens. The analysis was carried out on 3 soil samples with a vegetation cover (with the dimensions of 40×40×30 cm) collected during the full vegetation season for each mentioned habitat, with a characteristic species composition. Experimental research was carried out between 17th May 2018 and 19th June 2018. Thermal, RGB and multispectral images, chlorophyll content, volumetric soil moisture, air temperature and relative humidity measurements were taken for each sample every two days. The obtained results clearly indicate the dependence between CWSI and plant condition parameters in the first phase of desiccation. At the same time, as a result of the observations taken, thresholds have been set, indicating different desiccation phases.

Subject Areas

drought; water management; thermal remote sensing; habitats protection; land surface temperature; CWSI

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