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pro vyhledávání: '"Martin Hochleithner"'
Publikováno v:
Environmental Biology of Fishes. 68:333-338
We have developed a noninvasive technique to determine the sex of adult North American sturgeon by examination of the external morphology of live individuals. We analyzed four sturgeon species taken by commercial and scientific harvest: white Acipens
Publikováno v:
Environmental Biology of Fishes.