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Michael J Adams

I lead the USGS Amphibian Research and Monitoring Initiative (ARMI) and the Herpetological Research Team at the Forest and Rangeland Science Center in Corvallis, Oregon

Research in my lab focuses on amphibian conservation issues. We are currently addressing issues such as invasive species, disease, land use change, and long-term monitoring design for amphibians in North America. We use a combination of comparative surveys and manipulative experiments to understand the factors affecting amphibian distribution and abundance.

 

Professional Experience

  • 1997 - Present: USGS, Forest and Rangeland Ecosystem Science Center, Supervisory Research Ecologist, Corvallis, OR

     

Education and Certifications

  • Ph.D., Wildlife Science, University of Washington, Seattle, WA (1997)

  • B.S., Wildlife Biology, Colorado State University, Fort Collins, CO (1992)

     

Science and Products

Herpetological research at the USGS FRESC

Herpetological Research Team (FRESC)

The Herpetological Research Team focuses on issues related to conservation and management of amphibians and other aquatic and semi-aquatic species. Among our current studies are effects of invasive species, disease, and land use change on the dynamics of amphibian communities to inform conservation and management decision making.
By
Ecosystems Mission Area, Biological Threats and Invasive Species Research Program, Species Management Research Program, Forest and Rangeland Ecosystem Science Center
Herpetological Research Team (FRESC)

Herpetological Research Team (FRESC)

The Herpetological Research Team focuses on issues related to conservation and management of amphibians and other aquatic and semi-aquatic species. Among our current studies are effects of invasive species, disease, and land use change on the dynamics of amphibian communities to inform conservation and management decision making.
Learn More
Filter Total Items: 14

If you are unable to access or download a product, email fresc_outreach@usgs.gov a request, including the full citation, or call (541) 750-1030.

Filter Total Items: 25
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If you are unable to access or download a product, email fresc_outreach@usgs.gov a request, including the full citation, or call (541) 750-1030.

No results found.

If you are unable to access or download a product, email fresc_outreach@usgs.gov a request, including the full citation, or call (541) 750-1030.

Filter Total Items: 127

Analytical results for municipal biosolids samples from a monitoring program near Deer Trail, Colorado (U.S.A.), 2010 Analytical results for municipal biosolids samples from a monitoring program near Deer Trail, Colorado (U.S.A.), 2010

Since late 1993, Metro Wastewater Reclamation District of Denver (Metro District), a large wastewater treatment plant in Denver, Colo., has applied Grade I, Class B biosolids to about 52,000 acres of nonirrigated farmland and rangeland near Deer Trail, Colo., U.S.A. In cooperation with the Metro District in 1993, the U.S. Geological Survey (USGS) began monitoring groundwater at part of...
Authors
J.G. Crock, D. Smith, T. Yager, C. J. Berry, M. Adams
By
Geology, Minerals, Energy, and Geophysics Science Center, Geology, Geophysics, and Geochemistry Science Center

Non-native species impacts on pond occupancy by an anuran Non-native species impacts on pond occupancy by an anuran

Non‐native fish and bullfrogs (Lithobates catesbeianus) are frequently cited as contributing to the decline of ranid frogs in the western United States, so we hypothesized that non‐native species, habitat, or a combination of these relate to the probability of local extinction for northern red‐legged frogs (Rana aurora) in Oregon, USA. We also hypothesized that the probability of...
Authors
Michael Adams, Christopher A. Pearl, Stephanie Galvan, Brome McCreary
By
Ecosystems Mission Area, Forest and Rangeland Ecosystem Science Center

Using spatiotemporal models and distance sampling to map the space use and abundance of newly metamorphosed Western Toads (Anaxyrus boreas) Using spatiotemporal models and distance sampling to map the space use and abundance of newly metamorphosed Western Toads (Anaxyrus boreas)

High variability in abundance, cryptic coloration, and small body size of newly metamorphosed anurans have limited demographic studies of this life-history stage. We used line-transect distance sampling and Bayesian methods to estimate the abundance and spatial distribution of newly metamorphosed Western Toads (Anaxyrus boreas) in terrestrial habitat surrounding a montane lake in central
Authors
Nathan Chelgren, Barbara Samora, M. Adams, Brome McCreary
By
Ecosystems Mission Area, Forest and Rangeland Ecosystem Science Center

Using multilevel spatial models to understand salamander site occupancy patterns after wildfire Using multilevel spatial models to understand salamander site occupancy patterns after wildfire

Studies of the distribution of elusive forest wildlife have suffered from the confounding of true presence with the uncertainty of detection. Occupancy modeling, which incorporates probabilities of species detection conditional on presence, is an emerging approach for reducing observation bias. However, the current likelihood modeling framework is restrictive for handling unexplained...
Authors
Nathan Chelgren, M. Adams, Larissa L. Bailey, R. Bury
By
Ecosystems Mission Area, Forest and Rangeland Ecosystem Science Center

Columbia spotted frog (Rana luteiventris) in southeastern Oregon: A survey of historical localities, 2009 Columbia spotted frog (Rana luteiventris) in southeastern Oregon: A survey of historical localities, 2009

The Columbia spotted frog (Rana luteiventris) occupies a large range in western North America and is comprised of at least three genetic units. Concern exists regarding the status of the Great Basin populations in Oregon, Idaho, and Nevada. We surveyed target and nearby alternate sites on public lands in southeastern Oregon where there was evidence that Columbia spotted frogs were...
Authors
Chistopher Pearl, Stephanie K. Galvan, M. Adams, Brome McCreary
By
Ecosystems Mission Area, Forest and Rangeland Ecosystem Science Center

Analytical results for municipal biosolids samples from a monitoring program near Deer Trail, Colorado (U.S.A.), 2009 Analytical results for municipal biosolids samples from a monitoring program near Deer Trail, Colorado (U.S.A.), 2009

Since late 1993, Metro Wastewater Reclamation District of Denver, a large wastewater treatment plant in Denver, Colo., has applied Grade I, Class B biosolids to about 52,000 acres of nonirrigated farmland and rangeland near Deer Trail, Colo., U.S.A. In cooperation with the Metro District in 1993, the U.S. Geological Survey began monitoring groundwater at part of this site. In 1999, the...
Authors
J.G. Crock, D. Smith, T. Yager, C. J. Berry, M. Adams
By
Colorado Water Science Center, Geology, Minerals, Energy, and Geophysics Science Center, Geology, Geophysics, and Geochemistry Science Center

Non-USGS Publications**

Adams, M.J., 1993, Summer nests of the tailed frog (Ascaphus truei) from the Oregon Coast Range: Northwestern Naturalist, v. 74, no. 1, p. 15-18.

**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.

To request an interview, contact fresc_outreach@usgs.gov or call (541) 750-1030.

Filter Total Items: 22

Science and Products

Herpetological research at the USGS FRESC

Herpetological Research Team (FRESC)

The Herpetological Research Team focuses on issues related to conservation and management of amphibians and other aquatic and semi-aquatic species. Among our current studies are effects of invasive species, disease, and land use change on the dynamics of amphibian communities to inform conservation and management decision making.
By
Ecosystems Mission Area, Biological Threats and Invasive Species Research Program, Species Management Research Program, Forest and Rangeland Ecosystem Science Center
Herpetological Research Team (FRESC)

Herpetological Research Team (FRESC)

The Herpetological Research Team focuses on issues related to conservation and management of amphibians and other aquatic and semi-aquatic species. Among our current studies are effects of invasive species, disease, and land use change on the dynamics of amphibian communities to inform conservation and management decision making.
Learn More
Filter Total Items: 14

If you are unable to access or download a product, email fresc_outreach@usgs.gov a request, including the full citation, or call (541) 750-1030.

Filter Total Items: 25
No Result Found

If you are unable to access or download a product, email fresc_outreach@usgs.gov a request, including the full citation, or call (541) 750-1030.

No results found.

If you are unable to access or download a product, email fresc_outreach@usgs.gov a request, including the full citation, or call (541) 750-1030.

Filter Total Items: 127

Analytical results for municipal biosolids samples from a monitoring program near Deer Trail, Colorado (U.S.A.), 2010 Analytical results for municipal biosolids samples from a monitoring program near Deer Trail, Colorado (U.S.A.), 2010

Since late 1993, Metro Wastewater Reclamation District of Denver (Metro District), a large wastewater treatment plant in Denver, Colo., has applied Grade I, Class B biosolids to about 52,000 acres of nonirrigated farmland and rangeland near Deer Trail, Colo., U.S.A. In cooperation with the Metro District in 1993, the U.S. Geological Survey (USGS) began monitoring groundwater at part of...
Authors
J.G. Crock, D. Smith, T. Yager, C. J. Berry, M. Adams
By
Geology, Minerals, Energy, and Geophysics Science Center, Geology, Geophysics, and Geochemistry Science Center

Non-native species impacts on pond occupancy by an anuran Non-native species impacts on pond occupancy by an anuran

Non‐native fish and bullfrogs (Lithobates catesbeianus) are frequently cited as contributing to the decline of ranid frogs in the western United States, so we hypothesized that non‐native species, habitat, or a combination of these relate to the probability of local extinction for northern red‐legged frogs (Rana aurora) in Oregon, USA. We also hypothesized that the probability of...
Authors
Michael Adams, Christopher A. Pearl, Stephanie Galvan, Brome McCreary
By
Ecosystems Mission Area, Forest and Rangeland Ecosystem Science Center

Using spatiotemporal models and distance sampling to map the space use and abundance of newly metamorphosed Western Toads (Anaxyrus boreas) Using spatiotemporal models and distance sampling to map the space use and abundance of newly metamorphosed Western Toads (Anaxyrus boreas)

High variability in abundance, cryptic coloration, and small body size of newly metamorphosed anurans have limited demographic studies of this life-history stage. We used line-transect distance sampling and Bayesian methods to estimate the abundance and spatial distribution of newly metamorphosed Western Toads (Anaxyrus boreas) in terrestrial habitat surrounding a montane lake in central
Authors
Nathan Chelgren, Barbara Samora, M. Adams, Brome McCreary
By
Ecosystems Mission Area, Forest and Rangeland Ecosystem Science Center

Using multilevel spatial models to understand salamander site occupancy patterns after wildfire Using multilevel spatial models to understand salamander site occupancy patterns after wildfire

Studies of the distribution of elusive forest wildlife have suffered from the confounding of true presence with the uncertainty of detection. Occupancy modeling, which incorporates probabilities of species detection conditional on presence, is an emerging approach for reducing observation bias. However, the current likelihood modeling framework is restrictive for handling unexplained...
Authors
Nathan Chelgren, M. Adams, Larissa L. Bailey, R. Bury
By
Ecosystems Mission Area, Forest and Rangeland Ecosystem Science Center

Columbia spotted frog (Rana luteiventris) in southeastern Oregon: A survey of historical localities, 2009 Columbia spotted frog (Rana luteiventris) in southeastern Oregon: A survey of historical localities, 2009

The Columbia spotted frog (Rana luteiventris) occupies a large range in western North America and is comprised of at least three genetic units. Concern exists regarding the status of the Great Basin populations in Oregon, Idaho, and Nevada. We surveyed target and nearby alternate sites on public lands in southeastern Oregon where there was evidence that Columbia spotted frogs were...
Authors
Chistopher Pearl, Stephanie K. Galvan, M. Adams, Brome McCreary
By
Ecosystems Mission Area, Forest and Rangeland Ecosystem Science Center

Analytical results for municipal biosolids samples from a monitoring program near Deer Trail, Colorado (U.S.A.), 2009 Analytical results for municipal biosolids samples from a monitoring program near Deer Trail, Colorado (U.S.A.), 2009

Since late 1993, Metro Wastewater Reclamation District of Denver, a large wastewater treatment plant in Denver, Colo., has applied Grade I, Class B biosolids to about 52,000 acres of nonirrigated farmland and rangeland near Deer Trail, Colo., U.S.A. In cooperation with the Metro District in 1993, the U.S. Geological Survey began monitoring groundwater at part of this site. In 1999, the...
Authors
J.G. Crock, D. Smith, T. Yager, C. J. Berry, M. Adams
By
Colorado Water Science Center, Geology, Minerals, Energy, and Geophysics Science Center, Geology, Geophysics, and Geochemistry Science Center

Non-USGS Publications**

Adams, M.J., 1993, Summer nests of the tailed frog (Ascaphus truei) from the Oregon Coast Range: Northwestern Naturalist, v. 74, no. 1, p. 15-18.

**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.

To request an interview, contact fresc_outreach@usgs.gov or call (541) 750-1030.

Filter Total Items: 22
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