The presence or absence of a fish species may be associated with the physical and chemical characteristics water, in addition to state preservation riparian zone. This study examined whether taxonomic composition an urban river varies along three zone conditions: preserved, intermediate degraded. Six stretches Sorocaba/São Paulo River were selected for this study, monthly sampling being carried...

The Godineau (South Oropuche) Swamp (3171 ha) on the southwestern coast of Trinidad (10 degrees l315'N, 61degrees 30-32'W) is heavily impacted by anthropogenic activities including fishing, oil exploration, drainage manipulation and wetland clearance. To reduce the negative effects of these activities and to manage the swamp more sustainably, more quantitative information is needed on the ecolo...