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Amphibian Research and Monitoring Initiative

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Annual Updates



ARMI biologists Adam Backlin and Elizabeth Gallegos releasing captively bred Sierra Madre Yellow Legged Frogs (Rana muscosa) into the wild.

Each year, ARMI releases a report that summarizes some of our latest research and findings. Additionally, you can catch up with the latest in our work by browsing through our Products Database.

ARMI Products on Annual Updates

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Larval Sonoran tiger salamander
B Sigafus  
This is an ARMI Product. ARMI 2014 Annual Update
Authors: Muths E, Grant EHC, Chestnut T, Sadinski W, Waddle H, Adams M | Date: 2015 | Format: .PDF
ARMI is uniquely qualified to provide information that is scalable from local to national levels and is useful to resource managers. Here we provide highlights and significant milestones of this innovative program. ARMI has now produced over 500 publications. We feature several in this fact sheet, but please visit our website (http://armi.usgs. gov) for additional information on ARMI products, to find summaries of research topics, or to search for ARMI activities in your area.

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This is an ARMI Product. ARMI 2013 Annual Update
Authors: Halstead BJ, Adams MJ, Grant ECH, Hossack BR, Smalling KL, Ball LC | Date: 2014-02-17 | Format: .PDF
Welcome to the 2013 Annual ARMI Update, which provides highlights and significant milestones of this innovative program. This was an especially notable year for ARMI with the release of a landmark publication “Trends in amphibian occupancy in the United States.” Our synthesis and scaling up of 9 years of monitoring data produced the first-ever estimate of how fast frogs, toads and salamanders in the United States are disappearing from their habitats. Our findings received international attention and rekindled the discussion about global amphibian declines. This was not the only topic we addressed this year, as ARMI’s total publication count rose to 460 papers representing our latest research findings on the effects of climate change, land use, diseases, pesticides, and management on amphibian populations.

Full text: armi.usgs.gov/docs/ARMI%202013%20Annual%20Update.pdf

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This is an ARMI Product. ARMI 2012 Annual Update
Authors: Hossack B, Adams M, Waddle JH, Grant E, Fisher R, Battaglin W, Ball L | Format: .PDF
Welcome to the 2012 ARMI Annual Update, which provides highlights and significant milestones of this innovative program. ARMI is uniquely qualified to provide research and monitoring results that are scalable from local to national levels and are useful to resource managers. ARMI has produced more than 420 peer-reviewed publications since its inception. Some of those publications are highlighted in this fact sheet. Please visit our website (http://armi.usgs.gov) for additional information on ARMI products, to find summaries of research topics, to search for ARMI activities in your area, or to obtain amphibian photographs. This year, we introduced a new feature on the ARMI website called “Trend Data” that provides occupancy and abundance estimates at the project level (armi.usgs.gov/projects/estimates_datasets.php). Data can be accessed in tabular format or plotted via an interactive map.

Full text: armi.usgs.gov/docs/ARMI%202012%20Annual%20Update.pdf


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