Winter refuge for freshwater fish

The ecological aspect of the behavioral and physiological adaptation of fish in the autumn-winter period in water bodies of the temperate and subarctic climatic zones of the Northern Hemisphere is considered. It has been established that fish in the studied areas with a decrease in water temperature...

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Main Author: Chemagin Andrey A.
Format: Article
Language:English
Published: EDP Sciences 2023-01-01
Series:E3S Web of Conferences
Online Access:https://www.e3s-conferences.org/articles/e3sconf/pdf/2023/27/e3sconf_agritechviii2023_07008.pdf
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author Chemagin Andrey A.
author_facet Chemagin Andrey A.
author_sort Chemagin Andrey A.
collection DOAJ
description The ecological aspect of the behavioral and physiological adaptation of fish in the autumn-winter period in water bodies of the temperate and subarctic climatic zones of the Northern Hemisphere is considered. It has been established that fish in the studied areas with a decrease in water temperature form aggregations in deep, low-speed sites for the successful wintering. In the considered period of the life cycle, the metabolism in fish slows down to reduce the depletion of lipid reserves; therefore, this group of aquatic organisms forms accumulations in areas with fundamental properties - depth and low flow rate. This phenomenon can be considered a behavioral-physiological adaptation developed as a result of evolutionary processes. The results of work on the discovery of such wintering grounds have been noted for the continents - Eurasia and North America. Fish families that use such winter refuge include Cyprinidae, Percidae, Coregonidae, Thymallidae, Salmonidae, Lotidae, Esocidae, Siluridae, and Acipenseridae.
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spelling doaj.art-395b9608c6b64a2dbcde77fe5ebb7fee2023-06-09T09:11:21ZengEDP SciencesE3S Web of Conferences2267-12422023-01-013900700810.1051/e3sconf/202339007008e3sconf_agritechviii2023_07008Winter refuge for freshwater fishChemagin Andrey A.0Tobolsk Complex Scientific Station of the Ural Branch of the Russian Academy of SciencesThe ecological aspect of the behavioral and physiological adaptation of fish in the autumn-winter period in water bodies of the temperate and subarctic climatic zones of the Northern Hemisphere is considered. It has been established that fish in the studied areas with a decrease in water temperature form aggregations in deep, low-speed sites for the successful wintering. In the considered period of the life cycle, the metabolism in fish slows down to reduce the depletion of lipid reserves; therefore, this group of aquatic organisms forms accumulations in areas with fundamental properties - depth and low flow rate. This phenomenon can be considered a behavioral-physiological adaptation developed as a result of evolutionary processes. The results of work on the discovery of such wintering grounds have been noted for the continents - Eurasia and North America. Fish families that use such winter refuge include Cyprinidae, Percidae, Coregonidae, Thymallidae, Salmonidae, Lotidae, Esocidae, Siluridae, and Acipenseridae.https://www.e3s-conferences.org/articles/e3sconf/pdf/2023/27/e3sconf_agritechviii2023_07008.pdf
spellingShingle Chemagin Andrey A.
Winter refuge for freshwater fish
E3S Web of Conferences
title Winter refuge for freshwater fish
title_full Winter refuge for freshwater fish
title_fullStr Winter refuge for freshwater fish
title_full_unstemmed Winter refuge for freshwater fish
title_short Winter refuge for freshwater fish
title_sort winter refuge for freshwater fish
url https://www.e3s-conferences.org/articles/e3sconf/pdf/2023/27/e3sconf_agritechviii2023_07008.pdf
work_keys_str_mv AT chemaginandreya winterrefugeforfreshwaterfish