The use of stable isotope data to infer characteristics of community structure and niche width
of community members has become increasingly common. Although these developments …

The Amazon basin hosts the Earth's highest diversity of freshwater fish. Fish species have
adapted to the basin's size and seasonal dynamics by displaying a broad range of migratory …

Freshwater fish move vertically and horizontally through the aquatic landscape for a variety
of reasons, such as to find and exploit patchy resources or to locate essential habitats (eg …

Aim To examine the roles of local and regional environmental variables and biotic
interactions in determining the structure of local stream fish assemblages, and to compare …

Applying the ecosystem services concept to conservation initiatives or in managing
ecosystem services requires understanding how environmental impacts affect the ecology of …

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

In the Amazon, the world's largest river basin, migrations within freshwater habitats are one
of the predominant life history strategies for fishes. The flood pulse and the extensive river …

Three enduring conceptual models make predictions regarding the basal production
sources supporting the upper food web of rivers: the River Continuum Concept, the Flood …

Metabolic rate and hypoxia tolerance are highly variable among individual fish in a stable
environment. Understanding the variability of these measures in wild fish populations is …

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 …