The Anthropocene presents formidable threats to freshwater ecosystems. Lakes are
especially vulnerable and important at the same time. They cover only a small area …

Increases in river fragmentation globally threaten freshwater biodiversity. Rivers are
fragmented by many agents, both natural and anthropogenic. We review the distribution and …

Rivers support some of Earth's richest biodiversity and provide essential ecosystem services
to society, but they are often fragmented by barriers to free flow. In Europe, attempts to …

Simultaneous environmental changes challenge biodiversity persistence and human
wellbeing. The science and practice of restoration ecology, in collaboration with other …

There are millions of river barriers worldwide, ranging from wooden locks to concrete dams,
many of which form associated impoundments to store water in small ponds or large …

Rapid and ongoing change creates novelty in ecosystems everywhere, both when
comparing contemporary systems to their historical baselines, and predicted future systems …

Freshwater connectivity and the associated flow regime are critical components of the health
of freshwater ecosystems. When freshwater ecosystems are fragmented, the movements …

Dams and other anthropogenic barriers have caused global ecological and hydrological
upheaval in the blink of the geological eye. In the present article, we synthesize 307 studies …

Migration is a widespread but highly diverse component of many animal life histories. Fish
migrate throughout the world's oceans, within lakes and rivers, and between the two realms …

Despite the prevalence of damming as a global disturbance to river habitats, detailed reach-
based assessments of the ecological effects of dams are lacking, particularly across large …