U. S. Geological Survey (USGS) scientists are making headway in unraveling clues to the causes of massive die-offs of frogs and other amphibians. The agency announced today (August 8, 2000) that a little-understood, emerging iridovirus disease associated with large die-offs of frogs and salamanders in the Midwest and the East has caused another recent die-off, in North Dakota.
The above story is based on materials provided by U.S. Geological Survey. Note: Materials may be edited for content and length.
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U.S. Geological Survey. "USGS Diagnoses Causes Of Many U.S. Amphibian Die-Offs." ScienceDaily. ScienceDaily, 14 August 2000. <www.sciencedaily.com/releases/2000/08/000811062012.htm>.
U.S. Geological Survey. (2000, August 14). USGS Diagnoses Causes Of Many U.S. Amphibian Die-Offs. ScienceDaily. Retrieved April 24, 2014 from www.sciencedaily.com/releases/2000/08/000811062012.htm
U.S. Geological Survey. "USGS Diagnoses Causes Of Many U.S. Amphibian Die-Offs." ScienceDaily. www.sciencedaily.com/releases/2000/08/000811062012.htm (accessed April 24, 2014).