| Issue |
E3S Web Conf.
Volume 265, 2021
Actual Problems of Ecology and Environmental Management (APEEM 2021)
|
|
|---|---|---|
| Article Number | 01015 | |
| Number of page(s) | 4 | |
| Section | Ecology | |
| DOI | https://doi.org/10.1051/e3sconf/202126501015 | |
| Published online | 03 June 2021 | |
Changes in biological indicators of the silver bream Blicca bjoerkna at the upper part of the Volga stretch of the Kuybyshev reservoir in connection with the anthropogenic impact
1 Kazan (Volga) Federal University, 420008 Kazan, Russia
2 Russian federal research institute of fisheries and oceanography, 107140 Moscow, Russia
3 North-Eastern State University, 667000 Yakutsk, Russia
* Corresponding author: andrsmir@mail.ru
In recent years, the silver bream of the upper part of the Volga stretch of the Kuibyshev reservoir maintained a tendency to reduce the average size and weight indicators. Given the good availability of food and the fact that in the area under consideration, commercial fishing of this species has not been carried out in recent years, it can be assumed that changes in biological indicators are caused by a significant impact of anthropogenic impact in the form of individual and poaching fishing. It is necessary to strengthen control measures for such types of fishing.
© The Authors, published by EDP Sciences, 2021
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