Fish conservation in South America is a pressing issue. The biodiversity of fishes, just as
with all other groups of plants and animals, is far from fully known. Continuing habitat loss …

Spatial structure regulates and modifies processes at several levels of ecological
organization (eg individual/genetic, population and community) and is thus a key component …

The fish faunas of continental South and Central America constitute one of the greatest
concentrations of aquatic diversity on Earth, consisting of about 10 percent of all living …

The influence of spatial processes on diversity and community dynamics is generally
recognized in ecology and also applied to conservation projects involving forest and …

• A medical researcher is interested in the effect on blood pressure of added calcium in our
diet. She conducts a randomized comparative experiment in which one group of subjects …

Using the most comprehensive fish occurrence database, we evaluated the importance of
ecological and historical drivers in diversity patterns of subdrainage basins across the …

Biological communities often occur in spatially structured habitats where connectivity directly
affects dispersal and metacommunity processes. Recent theoretical work suggests that …

Many factors such as poverty, ineffective institutions and environmental regulations may
prevent develo** countries from managing how natural resources are extracted to meet a …

The present review with focus on the last decade (2000–2010) aims to (i) collecting the
major hypotheses explaining freshwater biodiversity patterns,(ii) identifying the main …

River networks, seen as ecological corridors featuring connected and hierarchical dendritic
landscapes for animals and plants, present unique challenges and opportunities for testing …