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Exotic Species

Walter E. Meshaka

in Amphibian Declines: The Conservation Status of United States Species

Published in print:
2005
Published Online:
March 2012
ISBN:
9780520235922
eISBN:
9780520929432
Item type:
chapter
Publisher:
University of California Press
DOI:
10.1525/california/9780520235922.003.0038
Subject:
Biology, Animal Biology

Within the framework of species conservation resides the increasingly relevant and disconcerting topic of exotic species. A conservative definition of exotic amphibian species includes only those ... More


Distribution of South Dakota Anurans

David E. Naugle, Tate D. Fischer, Kenneth F. Higgins, and Douglas C. Backlund

in Amphibian Declines: The Conservation Status of United States Species

Published in print:
2005
Published Online:
March 2012
ISBN:
9780520235922
eISBN:
9780520929432
Item type:
chapter
Publisher:
University of California Press
DOI:
10.1525/california/9780520235922.003.0041
Subject:
Biology, Animal Biology

South Dakota, a state that lies in the prairie pothole region, is bisected into two nearly equal eastern and western segments by the upper Missouri River. Despite a 45% decline in wetland numbers in ... More


North American Amphibian Monitoring Program (NAAMP)

Linda A. Weir and Michael J. Mossman

in Amphibian Declines: The Conservation Status of United States Species

Published in print:
2005
Published Online:
March 2012
ISBN:
9780520235922
eISBN:
9780520929432
Item type:
chapter
Publisher:
University of California Press
DOI:
10.1525/california/9780520235922.003.0045
Subject:
Biology, Animal Biology

In 1989 at the World Congress of Herpetology, scientists expressed concern that amphibian population declines were more than local phenomena and may be a global issue. In 1994, the North American ... More


Evaluating Calling Surveys

Sam Droege and Paige Eagle

in Amphibian Declines: The Conservation Status of United States Species

Published in print:
2005
Published Online:
March 2012
ISBN:
9780520235922
eISBN:
9780520929432
Item type:
chapter
Publisher:
University of California Press
DOI:
10.1525/california/9780520235922.003.0046
Subject:
Biology, Animal Biology

In North America, approximately fifty-five of the 103 species of anurans can be surveyed readily by using counts of vocalizing males as an index to their presence or population size. Such surveys are ... More


EPILOGUE: Factors Implicated in Amphibian Population Declines in the United States

Michael Lannoo, Alisa L. Gallant, Priya Nanjappa, Laura Blackburn, and Russell Hendricks

in Amphibian Declines: The Conservation Status of United States Species

Published in print:
2005
Published Online:
March 2012
ISBN:
9780520235922
eISBN:
9780520929432
Item type:
chapter
Publisher:
University of California Press
DOI:
10.1525/california/9780520235922.003.0056
Subject:
Biology, Animal Biology

Many species of amphibians have declined substantially in distribution or number of populations in the United States and globally, and a variety of anthropogenic and natural factors have been ... More


Synopsis of the Herpetofauna from Porcupine Cave

Christopher J. Bell, Jason J. Head, and Jim I. Mead

in Biodiversity Response to Climate Change in the Middle Pleistocene: The Porcupine Cave Fauna from Colorado

Published in print:
2004
Published Online:
March 2012
ISBN:
9780520240827
eISBN:
9780520930858
Item type:
chapter
Publisher:
University of California Press
DOI:
10.1525/california/9780520240827.003.0011
Subject:
Biology, Evolutionary Biology / Genetics

This chapter examines the fossil herpetofauna of Porcupine Cave. It documents the presence and taxonomic diversity of amphibians (salamanders and anurans) and reptiles (lizards and snakes) that are ... More


Why Are Some Species in Decline but Others Not?

Martha L. Crump

in Amphibian Declines: The Conservation Status of United States Species

Published in print:
2005
Published Online:
March 2012
ISBN:
9780520235922
eISBN:
9780520929432
Item type:
chapter
Publisher:
University of California Press
DOI:
10.1525/california/9780520235922.003.0002
Subject:
Biology, Animal Biology

In the late 1980s, one-half of the fifty known species of anurans from the vicinity of Monteverde, including golden toads and harlequin frogs, disappeared. During the past fifteen years, reports of ... More


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