TY JOUR TI ON THE QUESTION OF FISHERY REGIME REGULATION IN THE VOLGA-CASPIAN BASSIN (ASTRAKHAN REGION) BY THE EXAMPLE OF NORTH-CASPIAN ROACH KW roach KW stock KW amateur fishing KW commercial fishing KW fishing conditions KW fishing regime KW fishing rules KW size and sex composition of fish catches KW regulation JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Barabanov, V.. AU Nikiforov, S.. PY 2018 IS 2018 PB Astrakhan State Technical University