Authors
Fabrice Duponchelle, Marc Pouilly, Christophe Pécheyran, Marilia Hauser, Jean‐François Renno, Jacques Panfili, Audrey M Darnaude, Aurea García‐Vasquez, Fernando Carvajal‐Vallejos, Carmen García‐Dávila, Carolina Doria, Sylvain Bérail, Ariane Donard, Francis Sondag, Roberto V Santos, Jesus Nuñez, David Point, Maylis Labonne, Etienne Baras
Publication date
2016/10
Journal
Journal of Applied Ecology
Volume
53
Issue
5
Pages
1511-1520
Description
- Knowledge of fish migration is a prerequisite to sustainable fisheries management and preservation, especially in large international river basins. In particular, understanding whether a migratory lifestyle is compulsory or facultative, and whether adults home to their natal geographic area is paramount to fully appraise disruptions of longitudinal connectivity resulting from damming.
- In the Amazon, the large migratory catfishes of the Brachyplatystoma genus are apex predators of considerable interest for fisheries. They are believed to use the entire length of the basin to perform their life cycle, with hypothesized homing behaviours. Here, we tested these hypotheses, using the emblematic B. rousseauxii as a model species.
- We sampled adults close to major breeding areas in the Amazon basin (upper Madeira and upper Amazonas) and assessed their lifetime movements by measuring variations in 87Sr/86Sr along …
Scholar articles
F Duponchelle, M Pouilly, C Pécheyran, M Hauser… - Journal of Applied Ecology, 2016