TY - JOUR T1 - Diel variation in the ascent of fishes up an experimental fish ladder at Itaipu Reservoir: fish size, reproductive stage and taxonomic group influences JO - Neotropical Ichthyology A1 - Fernandez, Domingo Rodriguez A1 - Agostinho, Angelo Antonio A1 - Bini, Luis Mauricio A1 - Pelicice, Fernando Mayer SN - 1679-6225 UL - 10.1590/S1679-62252007000200016 VL - 5 Y1 - 2007 PB - Brasil ER -