TY JOUR TI Environmental efficiency of measures for the conservation of aquatic biological resources and their habitat: aspects of legal and economic analysis KW Amur River basin KW Amur region KW compensatory measures KW carp KW chum salmon KW environmental damage JO Fisheries AU Khovansky, I.E. AU Mlynar, E.V. PY 2023 IS 2023 PB FSBI "TSUREN"