TY JOUR TI RECOMMENDATIONS OF MAXIMUM PERMISSIBLE VOLUMES OF RELEASE OF AQUATIC BIOLOGICAL RESOURCES: REGULATORY REGULATION AND PRACTICAL IMPLEMENTATION KW water bioresources KW fish farming KW maximum permissible number for release KW legislative regulation KW practical implementation JO Fisheries AU Studenov, I.I. AU Tortsev, A.M. PY 2021 IS 2021 PB FSBI "TSUREN"