00659nab a2200217 a 4500 AR-ReUNN 20260702003152.0 260630s ag |||||||||||||||||eng eng Barbosa, F. a. R. 133893 Why a Brazilian program on conservation and management of aquatic ecosystems? / F. A. R. Barbosa 6 páginas Conservación 6782 Aquatic Communities 146973 Comunidades Acuaticas 116943 Conservation 146972 Acta Limnologica Brasiliensia v. 5 (1994) 235112 ART (INICN)52343 236256 236256 236256 AR-ReUNN spa AR-ReUNN aacr2