TY JOUR TI Time-based method for determining fish abundance in fishing rivers KW fishing stock KW abundance KW ichthyomass KW time-based method KW seine KW catchability coefficient JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Kulikov, E.. AU Kadimov, E.. AU Isbekov, K.. AU Asylbekova, S.. PY 2020 IS 2020 PB Astrakhan State Technical University