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NEW STUDY: ARMI paper documents surprising rates of amphibian declines in U.S. ARMI Annual Meeting in Gainesville, Florida.

By: Ball L; May 22, 2013

We have summarized nine years of regional monitoring data to describe the rate at which amphibian populations have been changing at our survey sites across the country. The results, published in the scientific journal PLoS ONE, estimate declining trends for many species of frogs, toads and salamanders in all regions of the country. It is the first-ever broad assessment of amphibian populations in(...more)
Top Story at USGS: ARMI Research from Nation’s Amphibian Hotspot ARMI scientist H. Waddle installs automated frog call recorders

By: Ball L; May 17, 2013

ARMI scientists Drs. Susan Walls (Southeast ARMI) and Hardin Waddle (South Central ARMI) recently published 3 papers from research conducted in our nation’s amphibian biodiversity hotspot.
Walls and her colleagues synthesized what is known about current and possible future effects of extreme precipitation events on amphibians across the country; and then report findings from these actual we(...more)
e-DNA Technology. Keeping pace with your questions! Conservation in a cup of water

By: Pilliod D; January 31, 2013

The actively developing technologies to detect environmental DNA (i.e., e-DNA) show a lot of promise for various fields of wildlife research. However, as with any technology, there are technical and statistical assumptions that shape what we can infer from the data.

A new USGS Fact Sheet presents the basics of using eDNA as a tool and the questions you should be asking: http://pubs(...more)

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ARMI Mission Statement

In response to indications of worldwide declines in amphibian populations, the President and Congress directed Interior Department agencies to initiate a national program of amphibian monitoring, research, and conservation. There is an urgent need to determine the scope and severity of the problem and to investigate causes. The U.S. Geological Survey is uniquely qualified to coordinate and lead a cooperative national effort because its scientists have been in the forefront of studying amphibian populations and life history traits, measuring and monitoring environmental characteristics, and conducting research into potential causes of decline. As a result, the Agency formed the National Amphibian Research and Monitoring Initiative (ARMI).

ARMI Goals and Objectives

  • » Provide information to natural resource managers on the status and trends of amphibians
  • » Relate status and trends to management options at the scale of management units.
  • » Identify causes of declines.
  • » Provide essential scientific information to support effective management actions to arrest or reverse declines.

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