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Greater Sage-Grouse Science (2015-2017): Synthesis and Potential Management Implications

Greater Sage-Grouse Science (2015-2017): Synthesis and Potential Management Implications

At the request of the BLM, the USGS worked with federal and state agency partners to develop a report that synthesizes the scientific literature...

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Estimating Aquatic Species Density From Environmental DNA

Estimating Aquatic Species Density From Environmental DNA

Environmental DNA – or eDNA - analytical methods are effective for estimating site occupancy and species distribution of aquatic organisms.

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A Simplified Field Protocol for Genetic Sampling of Birds Using Buccal Swabs

A Simplified Field Protocol for Genetic Sampling of Birds Using Buccal Swabs

Population genetic studies are driven by DNA sampling, and blood sampling has historically been the preferred method for obtaining DNA.

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Annotated Bibliography: Research on Greater Sage-grouse since January 2015

Annotated Bibliography: Research on Greater Sage-grouse since January 2015

The sheer number of scientific publications related to greater sage-grouse research can be a challenge for managers to navigate when updating plans...

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Improving Estimation of Flight Altitude: A Commentary

Improving Estimation of Flight Altitude: A Commentary

Altitude measurements from wildlife tracking devices, combined with elevation data, commonly are used to estimate the flight altitude of birds...

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Modulators of Mercury Risk to Wildlife and Humans in the Context of Rapid Global Change

Modulators of Mercury Risk to Wildlife and Humans in the Context of Rapid Global Change

USGS author Collin Eagles-Smith led an invited synthesis paper as part of the plenary effort for the 13th International Conference on Mercury as a...

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Stream Mercury Export in Response to Contemporary Timber Harvesting Methods

Stream Mercury Export in Response to Contemporary Timber Harvesting Methods

Timber harvest is a significant driver of mercury releases in some parts of the world. Yet, the impact of forest harvest on mercury mobilization has...

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Modulators of Mercury Risk to Wildlife and Humans in the Context of Rapid Global Change

Modulators of Mercury Risk to Wildlife and Humans in the Context of Rapid Global Change

USGS author Collin Eagles-Smith led an invited synthesis paper as part of the plenary effort for the 13th International Conference on Mercury as a...

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Stream Mercury Export in Response to Contemporary Timber Harvesting Methods

Stream Mercury Export in Response to Contemporary Timber Harvesting Methods

Timber harvest is a significant driver of mercury releases in some parts of the world.

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Survival and Movement of Stream Amphibians in Response to Timber Harvest

Survival and Movement of Stream Amphibians in Response to Timber Harvest

USGS scientists Nathan Chelgren and Michael Adams analyzed demographic rates – such as survival, movement, and growth – of aquatic life stages of...

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Survival and Movement of Stream Amphibians in Response to Timber Harvest

Survival and Movement of Stream Amphibians in Response to Timber Harvest

The effects of timber harvest on headwater stream amphibians have been studied extensively, but with conflicting or ambiguous results.

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Food Web Model Informs River Restoration on the Barkley Bear Segment, Methow River

Food Web Model Informs River Restoration on the Barkley Bear Segment, Methow River

USGS, U.S. Forest Service, and Bureau of Reclamation scientists tested a biological-based food web model, the Aquatic Trophic Productivity (ATP) model...

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