In 1991 the Iowa Department of Natural Resources initiated an annual anuran survey. The survey is conducted by volunteers and until 2007 it was not required to distinguish between Rana pipiens, Rana blairi, and Rana utricularius. Survey data from 2007 and 2008 (when the species were separated) and older data from counties where it was thought only Rana pipiens occurred were reviewed. The analyses of this information suggest a possible downward trend but the trend was not statistically significant. Additional data is needed to determine the status and population trend of the Rana pipiens in Iowa.
Comment on FR Doc # E9-15539
This is comment on Proposed Rule
Endangered and Threatened Wildlife and Plants: Northern Leopard Frog (Lithobates [=Rana]pipiens)
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