Fish Ecology and Management Studies

Freshwater fish communities depend on the timing, volume, and variability of river flows, making them acutely sensitive to the dams, diversions, and land-use changes that have reshaped most of the world's river systems over the past century. Researchers working at the intersection of fish ecology and landscape conservation document how habitat fragmentation, altered flow regimes, and invasive species interact with a warming climate to drive population declines across taxonomic groups that are already among the most imperiled vertebrates on Earth. A central challenge is translating ecological knowledge into workable environmental flow standards — minimum and variable flow requirements that keep fish populations viable — while balancing competing demands for hydropower and water supply. Open questions concern how river ecosystems will reorganize under compounding stressors, and whether restoration measures such as dam removal or managed flow releases can reverse biodiversity losses quickly enough to matter.

Works

200,941

Total citations

3,260,903

Keywords

Freshwater BiodiversityConservation ChallengesFlow RegulationHydropower Dam ConstructionEnvironmental FlowsInvasive Species