Of aquatic biological resources in the lower reaches of the Volga in 2003

Of aquatic biological resources in the lower reaches of the Volga in 2003–2022

Published:2023-10-16 Issue:3 Volume:24 Page:96-119
ISSN:0234-2774
Container-title:Problems of Fisheries
language:
Short-container-title:jour

Author:

Shipulin S. V.¹,Barabanov V. V.¹,Levashina N. V.¹,Lepilina I. N.¹,Nikitin E. V.¹,Vasilchenko O. M.¹,Klyukina E. A.¹

Affiliation:

1. Volga-Caspian branch of the Russian Federal Research Institute of Fisheries and Oceanography

Abstract

Based on research materials from 2003–2022, a review of the dynamics of stocks of aquatic biological resources for an unregulated section of the Volga River below the Volga hydroelectric dam within the Astrakhan region was carried out. The reasons, mainly of anthropogenic nature, causing changes in stocks are shown. The multidirectional nature of changes in the state of populations of aquatic biological resources depending on the sensitivity of species to environmental factors and their consumer value is demonstrated. The steps aimed at improving the situation are proposed.

Publisher

Russian Federal Research Institute of Fisheries and Oceanography

Subject

General Earth and Planetary Sciences,General Environmental Science

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