Abstract
In Western Siberia, the prevailing opinion among local people is that the state of fish resources in the region is decreasing. However, the fish catch statistics shows that only valuable fish species (Siberian sturgeon, sterlet, muksun, nelma) are decreasing, but not ordinary ones (ide, roach, dace, perch, pike). Thus, the Siberian fishermen interpret the decline of sturgeons and whitefishes as a general decrease in the fish resources of the region.
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