TY JOUR TI TEMPERATURE OPTIMUM AND UPPER TEMPERATURE LIMIT OF STURGEONS VITAL ACTIVITY KW fish KW sturgeon KW optimal temperature of growth KW finally selected temperature KW upper lethal temperature KW critical thermal maximum KW chronic lethal maximum KW ecological and physiological optimum KW forecast KW expert evaluation JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Golovanov, V.. AU Golovanova, I.. PY 2015 IS 2015 PB Astrakhan State Technical University