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Workshop
on Declining Amphibian Populations of 2001 Annual Meeting of the Western Section of The Wildlife Society February
22, 2001 8:00 - 8:10 am Introduction.
David F. Bradford DISEASE
SESSION
8:20 - 8:50 am Viral
and Fungal Pathogens in Tiger Salamanders in the Western United
States and Canada. James Collins1, Elizabeth Davidson1,
Joyce Longcore2, Allan Pessier3, Matthew Parris4,
James Jancovich1, Jesse Brunner1, Danna Schock1,
and Andrew Storfer5. 1Biology, Arizona
State Univ., Tempe, AZ; 2Biological Sciences, Univ. of
Maine, Orono, ME; 3Univ. of Illinois Zoological Pathology
Program, Loyola Univ. Medical Center, Maywood, IL; 4Biology,
Univ. of Memphis, Memphis, TN; 5 Wildlife Ecology and
Conservation, Univ. of Florida, Gainesville, FL. 8:50 - 9:00 am Recent
Observations of Chytridiomycosis among Amphibians in California.
Gary Fellers, Western Ecology Research Center, USGS, Point Reyes,
CA. 9:00 - 9:10 am Recent
Observations of Chytridiomycosis in the Mountain Yellow-legged Frog
in the Sierra Nevada. Roland Knapp, Sierra Nevada Aquatic Research
Laboratory, University of California, Mammoth Lakes, CA. 9:10 - 9:20 am Comparison
of Mountain Yellow-legged Frog Size Classes in Populations with
and without Chytridiomycosis Infections. Karen Pope and Kathleen
Matthews, USFS Pacific Southwest Research Station, Albany, CA. 9:20 - 9:40 am Parallels
Between Mass Mortalities of Montane Amphibians in the Sierra Nevada
and the Rockies of Colorado. Cynthia Carey, Dept. of EPO Biology,
University of Colorado, Boulder, CO. 9:40 - 10:10 am Break CONTAMINANTS SESSION Moderator:
Carlos Davidson, California State University, Sacramento, CA 10:10 - 10:30 am California
Amphibian Declines, Prevailing Winds and Agricultural Land Use.
Carlos Davidson1, Brad Shaffer2, and
Mark Jennings3. 1Dept. of Environmental Studies,
California State University, Sacramento, CA; 2Section
of Evolution & Ecology, University of California, Davis, CA;
3US Geological Survey, San Simeon, CA, and Dept. of Herpetology,
California Academy of Sciences, San Francisco, CA. 10:30 - 10:50 am Biological
Effects of Pesticides on Declining Amphibian Populations in the
Sierra Nevada. Donald Sparling1, Gary Fellers2,
Laura McConnell3, and Deborah Cowman4. 1USGS
Patuxent Wildlife Research Center, Laurel, MD; 2Western
Ecology Research Center, USGS, Point Reyes, CA; 3USDA
Agriculture Research Center, Beltsville, MD; 4Dept. of
Fisheries and Wildlife, Texas A&M University, College Station,
TX 10:50 - 11:10 am Test
of an Environmental Model: Red-legged Frogs as Bioindicators of
Endocrine-disrupting Contaminants. James Bettaso1, 2,
Hartwell Welsh2, and Brent Palmer3. 1Wildlife
Dept., Humboldt State University, Arcata, CA; 2USDA Forest
Service, Redwood Sciences Laboratory, Arcata, CA; T.H. Morgan School
of Biological Sciences, 3Univeristy of Kentucky, Lexington,
KT. LISTING OF THREATENED
AND ENDANGERED SPECIES SESSION Moderator: Steve
Morey, U.S. Fish and Wildlife Service, Portland, OR. 11:10 - 11:30 am Listing
Threatened and Endangered Amphibians: California and Nevada Update.
Steve Morey, U.S. Fish and Wildlife Service, Portland, OR. 11:30 - 11:50 am The
Santa Barbara Tiger Salamander Emergency Listing: The Interplay
of Systematics, Genetics, and Land Use Practices. H. Bradley
Shaffer, Section of Evolution and Ecology, University of California,
Davis, CA. 11:50 -12:10 pm The
Southern California Distinct Population Segment of the Mountain
Yellow-legged Frog: Evaluating Extinction Threats and Developing
Recovery Strategies. Glen Knowles, U.S. Fish and Wildlife Service,
Carlsbad, CA. 12:10 - 1:40 pm Lunch EXOTIC SPECIES SESSION Moderator: Roland
Knapp, University of California, Mammoth Lakes, CA. 1:40 - 2:00 pm Amphibian
Assemblages and Introduced fishes in the Trinity Alps Wilderness
of the Klamath Mountains of Northwestern California. Hartwell
Welsh, Jr., and Daniel Boiano. USDA, Forest Service, Redwood Sciences
Laboratory, Arcata, CA. 2:00 - 2:20 pm Removal
of Nonnative Trout from Sierra Nevada Lakes as a Means to Recover
Mountain Yellow-legged Frog Populations. Roland Knapp1,
Vance Vredenburg2, and Curtis Milliron3.
1Sierra Nevada Aquatic Research Laboratory, University
of California, Mammoth Lakes, CA; 2Dept. of Integrative
Biology and Museum of Vertebrate Zoology, University of California,
Berkeley, CA; 3California Dept. of Fish and Game, Bishop,
CA. 2:20 - 2:40 pm Update
on the Efforts to Determine the Status of Native Amphibian Fauna
in Southern California and the Development of Invasive Aquatic Species
Eradication Techniques. Edward Ervin and Robert Fisher. US
Geological Survey, Department of Biology, San Diego State University,
San Diego, CA. 2:40 - 3:00 pm Genetic
Pollution, California Tiger Salamanders, and Endangered Species
Remediation. H. Bradley Shaffer and Benjamin Fitzpatrick, Section
of Evolution & Ecology, University of California, Davis, CA.
3:00 - 3:30 pm Break FOREST MANAGEMENT
SESSION Moderator:
Hartwell H. Welsh, Jr., U.S. Forest Service, Arcata,
CA. 3:30 - 3:50 pm Comparison
of Abundance, Assemblage, and Activity of Nocturnal Amphibians in
Old Growth and Second Growth Redwood Forest Creeks in Humboldt County,
California. Don Ashton1, Hartwell Welsh, Jr.2,
and Sharyn Marks1. 1Dept. of Biological Sciences,
Humboldt State University, Arcata, CA; 2USDA, Forest
Service, Redwood Sciences Laboratory, Arcata, CA. 3:50 - 4:10 pm Effects
of Silvicultural Edges on Terrestrial Amphibian Abundance and Microclimate
in Northwestern California. Nancy Karraker1 and
Hartwell Welsh, Jr.2. 1Humboldt State University,
Arcata, CA; 2USDA Forest Service, Redwood Sciences Laboratory,
Arcata, CA. 4:10 - 4:30 pm Habitat
Alterations and Amphibian Populations: The Role of Forestry in the
Decline of Amphibians in Northern California. Hartwell Welsh,
Jr., and Lisa Ollivier, USDA Forest Service, Pacific Redwood Sciences
Laboratory, Arcata, CA. 4:30 - 4:50 pm Forest
Management and Conservation in the Sierra Nevada: Implications for
Amphibians. Amy Lind. USDA Forest Service, Pacific Southwest
Research Station, Sierra Nevada Framework Project, Sacramento, CA. 4:50 - 5:25 pm Briefings 5:25 -5:30 pm Concluding Remarks. David Bradford POSTER SESSION The Status of the
Northern Leopard Frog (Rana pipiens) in Nevada. Cynthia
Hitchcock, Dept. of Biology, University of Nevada, Reno. Effects of Agricultural
Pesticides on Translocated Egg Masses and Tadpoles of the Pacific
Treefrog in Lassen, Yosemite, and Sequoia National Parks. Deborah
F. Cowman1, Donald W. Sparling2, Gary Fellers3,
and Thomas E. Lacher4. 1Wildlife and Fisheries
Sciences Dept., Texas A&M Univ., College Station, TX; 2USGS
Patuxent Wildlife Research Center, Laurel, MD; 3USGS,
Point Reyes National Seashore, Point Reyes, CA; 4 Wildlife
and Fisheries Sciences Dept., Texas A&M Univ, College Station,
TX. Oviposition Sites of the Amargosa Toad (Bufo nelsoni). Denise Jones, C.R. Tracy, and Eric Simandle. Dept. of Biology, University of Nevada, Reno. |
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