Brazil has more than 700 large reservoirs distributed in all of the major river basins of South
America. Most dams were constructed to produce electricity. Although these reservoirs favor …

This book presents the most comprehensive model yet for describing the structure and
functioning of running freshwater ecosystems. Riverine Ecosystems Synthesis (RES) is a …

We assessed the trophic structure of the fish fauna in Sinhá Mariana pond, Mato Grosso
State, from March 2000 to February 2001. The aim was to determine the feeding patterns of …

We report mercury (Hg) mass-dependent isotope fractionation (MDF) and mass-
independent isotope fractionation (MIF) in hair samples of the Bolivian Esse Ejjas native …

The present study assesses mercury biomagnification and the trophic structure of the
ichthyofauna from the Puruzinho Lake, Brazilian Amazon. In addition to mercury …

Peacock bass Cichla ocellaris is a piscivorous cichlid native from the Amazon and Orinoco
river basins, which has been broadly introduced into tropical areas worldwide, leading to …

The role of grazing as a controlling factor of phytoplankton has an extensive debate in the
literature. In this article, five mechanisms that have been explored as potential controlling …

The Neotropics harbour the greatest diversity of freshwater fish on Earth. Despite recent
advances in characterizing the fish fauna, the total number of species, distributional range …

Spatial and temporal variations in patterns of niche breadth and feeding overlap were
investigated for the fish fauna in the Pantanal region, aiming to determine the factors that …

Abstract Information on pollutant trophodynamics can be crucial for public health, as
contaminated food consumption may lead to deleterious effects. This study was performed in …