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Coastal margins at the interface between land and ocean are important areas of materials flux – such as carbon and nutrients transported in river...

Beaver-related restoration is a process-based strategy that seeks to re-establish dam building in degraded stream systems by translocating beavers to...

Collision-caused fatalities of animals at wind power facilities create a ‘green versus green’ conflict between wildlife conservation and renewable...

Interactions among river conditions that influence fish migration success make it challenging to assess management options. 

Mercury bioaccumulation in mountain lakes varies widely due to strong environmental gradients, and there are complex, hierarchical factors that affect...

Assessing long-term trends in counts of species is important to understand the consequences of ongoing global environmental change. One approach to...

Human activity sometimes stresses or kills individual animals. Most of the tools we have to address this problem are focused on those individuals. We...

The striped whipsnake occurs across 11 western U.S. states and into Mexico but has experienced population declines in parts of its range, particularly...

The U.S. Geological Survey has reviewed and summarized the substantial body of literature related to the conservation, management, monitoring, and...

Estimating wildlife mortality at wind facilities is complicated, partially because carcasses may not be detected in thick vegetation, rivers, or lakes...