TY JOUR TI COMMERCIAL AND BIOLOGICAL CHARACTERISTICS OF WHITEFISH IN THE RIVER BASIN PYASINA'S KW Pyasina River KW pyasinsky Bay KW muksun KW nelma KW whitefish KW Chir KW growth KW age KW puberty JO Fisheries AU Zadelenov, V.A. AU Forina, Y.Y. AU Borozdina, A.G. PY 2020 IS 2020 PB FSBI "TSUREN"