AN ANALYTICAL REVIEW OF THE FISHERIES SIGNIFICANCE OF FRESHWATER RESERVOIRS IN KHANTY-MANSIYSK AUTONOMOUS DISTRICT
2023
Grigoreva N.Y. (Saint-Petersburg Electrotechnical University)
Ruso. This work presents a review of data on hydrobiological parameters and fishery characteristics of a number of characteristic water bodies in Khanty-Mansiysk Autonomous District (KhMAD). Ichthyofauna of this region is quite diverse, but understudied. So far, numerous publications of large scientific groups have been dedicated mainly to large rivers of the Ob-Irtysh basin, while comprehensive information on smaller water bodies was absent in open sources. This work provides a comprehensive review of information on the fish productivity of individual water bodies of KhMAD-Yugra with a preliminary evaluation of their hydrographic and hydrobiological characteristics, natural and climatic conditions, and biodiversity of ichthyofauna of the region as a whole. Such large freshwater bodies as the Ob, Irtysh, Northern Sosva, Vakh, Agan, Tromiegan, Bolshoy Salym, Bolshoy Yugan rivers and Piltanlor, Tursunt Tuman, Samotlor and Numto lakes are examined in detail. Besides, there are general hydrographic characteristics of the ichthyofauna of 98 water bodies in all nine regions of KhMAD-Yugra. The general values of fish productivity of the mentioned objects are provided.
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