The numbers, occurrence and historical and present distribution of European grayling and burbot along environmental gradients in rivers of the Republic of Tatarstan
The article shows the results of a study on the ecology grayling and burbot at the rivers of Tatarstan. For the area of Republic of Tatarstan analyzed the preferences of two fish species, to the environment variables. Identified in points of the optimum width and 7 environmental factors grayling and...
Main Authors: | , , , |
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Format: | Article in Journal/Newspaper |
Language: | Russian |
Published: |
Академия Наук Республики Татарстан
2016
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Subjects: | |
Online Access: | http://rjae.ru/index.php/rjae/article/view/178 |
Summary: | The article shows the results of a study on the ecology grayling and burbot at the rivers of Tatarstan. For the area of Republic of Tatarstan analyzed the preferences of two fish species, to the environment variables. Identified in points of the optimum width and 7 environmental factors grayling and burbot niche environment. Current and historical distribution of grayling and burbot estimated in the rivers of Tatarstan. В статье приводятся результаты исследования по экологии европейского хариуса и налима в реках Республики Татарстан. Для территории республики проанализировано предпочтение двух видов рыб к переменным окружающей среды. Выявлены точки оптимума и ширина ниши хариуса и налима по 7 факторам окружающей среды. Оценено современное и историческое распространение хариуса и налима в реках Татарстана. |
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