Fish communities face increasing anthropogenic pressures in freshwater and marine
ecosystems that modify their biodiversity and threaten the services they supply to human …

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

Freshwater fish represent one-fourth of the world's vertebrates and provide irreplaceable
goods and services but are increasingly affected by human activities. A new index …

Although one-quarter of plant and vertebrate species are threatened with extinction, little is
known about the potential effect of extinctions on the global diversity of ecological strategies …

Marine megafauna, the largest animals in the oceans, serve key roles in ecosystem
functioning. Yet, one-third of these animals are at risk of extinction. To better understand the …

Biodiversity is declining worldwide. Because species interact with one another and with their
environment, losses of particular organisms alter the function of ecosystems. Our …

Agricultural land use is a primary driver of environmental impacts on streams. However, the
causal processes that shape these impacts operate through multiple pathways and at …

Neotropical freshwater fishes are the most diverse on the planet (> 5,500 species), although
nations in Latin America have been negligent regarding their conservation. National policies …

Motivation Global freshwater fish biodiversity and the responses of fishes to global changes
have been explored intensively using taxonomic data, whereas functional aspects remain …

The use of multimetric indices (MMIs) of biological condition has been globally applied
because they are practical tools that incorporate various biological metrics at different levels …