00956nab a2200325 a 4500 AR-ReUNN 20260702003159.0 260630s ag |||||||||||||||||spa Oldani, Norberto o. 147227 Baigun, Claudio R. M. 146971 Delfino, Ricardo L. 146969 Fishway perfomances in south american regulated rivers 6 Freshwater Fish 117439 Uruguay River 148406 Pseudoplatystoma 144898 Leporinus 135587 Parana River 148472 Hatcheries 150672 Especies Migratorias 147245 Semaprochilodus 151100 Pasajes de Peces 151101 Migratory Species 147246 Peces de Agua Dulce 6471 Argentina 4258 Inland Waters 117440 ART (INICN)52568 236433 236433 236433 AR-ReUNN spa AR-ReUNN aacr2