New studies are documenting trophic cascades in theoretically unlikely systems such as
tropical forests and the open ocean. Together with increasing evidence of cascades, there is …

▪ Abstract Animals are important in nutrient cycling in freshwater ecosystems. Via excretory
processes, animals can supply nutrients (nitrogen and phosphorus) at rates comparable to …

Physical ecosystem engineers are organisms that directly or indirectly control the availability
of resources to other organisms by causing physical state changes in biotic or abiotic …

Trophic cascades—the top-down regulation of ecosystems by predators—are an essential
aspect of ecosystem function and well-being. Trophic cascades are often drastically …

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 …

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 …

Freshwater Ecology: Concepts and Environmental Applications is a general text covering
both basic and applied aspects of freshwater ecology and serves as an introduction to the …

Highlights•River impoundment results in fairly predictable changes in fish functional
diversity.•The most vulnerable species have functional traits associated with flowing water …

Inland waters have received only slight consideration in recent discussions of the global
fisheries crisis, even though inland fisheries provide much-needed protein, jobs, and …

Abstract Background With nearly 1,100 species, the fish family Characidae represents more
than half of the species of Characiformes, and is a key component of Neotropical freshwater …