Factors of Jay Elimination in the Central Pre-Caucasus
https://doi.org/10.26897/2949-4710-2023-3-51-58
Abstract
The article analyses various factors of jay elimination in the Central Pre-Caucasus. Most jays die on motorways as a result of collisions with traffic. Approximately one million birds die each year on motorways in the Stavropol Territory (Shevtsov et al.). In addition to motorways, deaths in the fields due to poisoning by pesticides, deaths due to collisions with mirrored glass buildings or wind turbine blades contribute significantly to the decline in bird numbers. Among the abiotic factors, weather conditions, especially frost and precipitation, are responsible for the death of jays. Nest destruction and predation by steppe rat snakes and birds are considered biotic causes of jay extinction. The results of the study show the main factors of jay elimination in the Central Pre-Caucasus and the map of their death on the motorways of the Stavropol Territory.
About the Authors
L. V. Malovichko
Russian State Agrarian University – Moscow Timiryazev Agricultural Academy
Russian Federation
Russian Federation
Lyubov' V. Malovichko, DSc (Bio), Professor of the Department of Zoology
44, b.16, Timiryazevskaya Str., Moscow, 127434
V. V. Kuznersova
Russian State Agrarian University – Moscow Timiryazev Agricultural Academy
Russian Federation
Russian Federation
Valeriya V. Kuznersova, Assistant of the Department of Zoology
44, b.16, Timiryazevskaya Str., Moscow, 127434
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Review
For citations:
Malovichko L.V., Kuznersova V.V. Factors of Jay Elimination in the Central Pre-Caucasus. Timiryazev Biological Journal. 2023;1(3):51-58. (In Russ.) https://doi.org/10.26897/2949-4710-2023-3-51-58
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