Consequences of Heatwave on Density of Freshwater Turtle Populations in Water Plans of Northeastern Algeria

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Published: 2023-01-15

DOI: 10.56557/upjoz/2023/v44i13389

Page: 37-43


Abdelaziz Frih *

Environmental Biomonitoring Laboratory, Department of Biology, Faculty of Sciences, Badji-Mokhtar University, 12 El Hadjar, 23000 Annaba, BP, Algeria.

Nadia Ziane

Environmental Biomonitoring Laboratory, Department of Biology, Faculty of Sciences, Badji-Mokhtar University, 12 El Hadjar, 23000 Annaba, BP, Algeria.

Kamelia Hesni Benotmane

Laboratory of Soils and Sustainable Environment, Department of Biology, Faculty of Science, Chadli Bendjedid University BP 73, 36000, El Tarf, Algeria.

Rached Hadiby

Ecobiology Laboratory for Marine Environments and Coastal Areas, Faculty of Sciences, Badji Mokhtar Annaba University, BP 12, 23 200, Annaba, Algeria.

*Author to whom correspondence should be addressed.


Abstract

Aquatic turtles are ectotherm animals whose activities are conditioned by their environment. The objective of this study is to asses the heatwave effects on the abundance of aquatic turtles. The resulting study was conducted from spring to fall 2022, in a water plan next to Guerbes Sanhadja wetlands eco complex, known for the density of aquatic turtles it hosts. Temperature and rainfall data, as well as satellite images and field photography, were utilised to monitor the drying of the water plain. . Freshwater turtles were counted remotely every one hour from a specific location. The results obtained confirm the resumption of aquatic turtle activity, particularly marked in summer, but the persistence of heatwave, with abnormally high air temperatures and very low rainfall, caused the gradual drying up of the water plan and a sharp drop in turtle’s numbers.

Keywords: Heatwave, freshwater turtles, abundance, loss of habitats


How to Cite

Frih, A., Ziane, N., Hesni Benotmane, K., & Hadiby, R. (2023). Consequences of Heatwave on Density of Freshwater Turtle Populations in Water Plans of Northeastern Algeria. UTTAR PRADESH JOURNAL OF ZOOLOGY, 44(1), 37–43. https://doi.org/10.56557/upjoz/2023/v44i13389

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