Activities
Pertaining to the Conservation Biology of
Amphibians in CA/NV
(including early January 2003)
JOURNAL ARTICLES
FROM 2001 THAT WERE NOT INCLUDED IN
THE 2001 LIST
Bos, D.H., and J.W.
Sites, Jr. 2001. Phylogeography and conservation genetics of
the Columbia spotted frog (Rana luteiventris; Amphibian,
Ranidae). Molecular Ecology 10: 1499-1513.
Burkhardt, T., S. Winegarner,
and R. W. Hansen. 2001. Batrachoseps stebbinsi. Attempted
predation. Herpetological Review 32(4):245.
Corben, C. & Fellers,
G.M. (2001) A technique for detecting eyeshine of reptiles and
amphibians. Herp. Review 32(2): 89-91.
Ervin, E. L., and R.
N. Fisher. 2001. Thamnophis hammondii. Prey. Herpetological
Review 32(4):265-266. [predation on Spea hammondii, Xenopus
laevis, Hyla regilla]
Gonzales, R. 2001.
Hydromantes platycephalus. Geographic distribution. Herpetological
Review 32(4):268.
JOURNAL ARTICLES
FROM 2002
Angermann, Jeffrey
E., Gary M. Fellers, Fumio Matsumura, 2002: Polychlorinated biphenyls
and toxaphene in Pacific tree frog tadpoles (Hyla regilla)
from the California Sierra Nevada, USA. Environmental Toxicology
and Chemistry: Vol. 21, No. 10, pp. 2209-2215.
Cook, D. 2002. Rana
aurora dratonii (California red-legged frog). Predation.
Herpetological Review 33: 303.
Davidson, C., H.B.
Shaffer, and M.R. Jennings. 2002. Spatial tests of the pesticide
drift, habitat destruction, UV-B, and climate-change hypotheses
for California amphibian declines. Conservation Biology 16: 1588-1601.
deSolla, S.R., C.A.
Bishop, K.E. Pettit, and J.E. Elliott. 2002. Organochlorine
pesticides and polychlorinated biphenyls (PCBs) in the eggs of
red-legged frogs (Rana aurora) and northwestern salamanders
(Ambystoma gracile) in an agricultural landscape. Chemosphere
46: 1027-1032.
Griffen, P.C. 2002.
Bufo californicus (arroyo toad) predation. Herpetological
Review 33: 301.
Hayes, T.B., A. Collins,
M. Lee, M. Mendoza, N. Noriega, A.A. Stuart, and A. Vonk. 2002.
Hermaphroditic, demasculinized frogs after exposure to the herbicide
atrazine at low ecologically relevant doses. Proceedings of the
National Academy of Science 99: 5476-5480.
Hayes, T., K. Haston,
M. Tsui, A. Hoang, C. Haeffele, and A. Vonk. 2002. Herbicides:
feminization of male frogs in the wild. Nature 419:895-896.
Johnson, P.T.J., K.B.
Lunde, E.M. Thurman, E.G. Ritchie, S.N. Wray, D.R. Sutherland,
J.M. Kapfer, T.J. Frest, J Bowerman, and A.R. Blaustein. 2002
Parasite (Ribeiroia ondatrae) infection linked to amphibian
malformations in the western United States. Ecological Monographs
72: 151-168.
Matthews, K.R., R.A.
Knapp, and K.L. Pope. 2002. Garter snake distributions in high-elevation
aquatic ecosystems: is there a link with declining amphibian
populations and nonnative trout introductions? J. Herpetology
36: 16-22.
Rachowicz, L.J. 2002.
Mouthpart pigmentation in Rana muscosa tadpoles: seasonal
changes without chytridiomycosis. Herp. Review 33: 263-265.
Siegel, R.A., and C.K.
Dodd. 2002. Translocations of amphibians: proven management
method or experimental technique? Conservation Biology 16: 552-554.
Sparling, Don and Gary
M. Fellers. 2002. Contaminant studies in the Sierra Nevadas.
People, Land & Water. Aug. 2002: 33.
Trenham, P.C., and
D.M. Marsh. 2002. Amphibian translocation programs: reply to
Seigel and Dodd. Conservation Biology 16: 555-556.
Welsh, H.H., Jr., and
A. J. Lind. 2002. Multiscale habitat relationships of stream
amphibians in the Klamath-Siskiyou region of California and Oregon.
Journal of Wildlife Management 66(3):581-602.
REPORTS AND OTHER
DOCUMENTS
Fellers, Gary M., Robert
N. Fisher, and Cecil R. Schwalbe. 2002. Status of Amphibians
in California and Arizona. USGS WERC Fact Sheet. www.werc.usgs.gov.
Poster on Patuxent
Wildlife Research Center website: Effects of Agricultural Pesticides
on Translocated Tadpoles of the Pacific Treefrog in Lassen, Yosemite,
and Sequoia National Parks. Deborah F. Cowman, Donald W. Sparling,
Gary M. Fellers, and Thomas E. Lacher.
PRESENTATIONS AT
PROFESSIONAL SOCIETY MEETINGS
The Wildlife Society
-Western Section, Visalia, California, May 5-7, 2002:
Alvarez, Jeff A. Colonization
and use of artificially constructed wetlands by California red-legged
frogs (Rana aurora draytonii). Oral presentation.
Alvarez, Jeff A. Use
of artificial egg-laying substrate to detect California tiger
salamanders (Ambystoma californiense). Poster.
Alvarez, Jeff A., Carissa
Dunn, and Andrea F. Zuur. The effects of predatory fish removal
from stock ponds on California red-legged frogs. Oral presentation.
Angermann, Jeff, and
Fumio Matsumura. Molecular and biochemical markers of PCB exposure
in California red-legged frogs (Rana aurora draytonii).
Oral presentation.
Ashton, Don T., Hartwell
H. Welsh, Jr., and Sharyn B. Marks. A comparison of abundance,
assemblage, and nocturnal activity of amphibians in old-growth
and second-growth redwood forest creeks in Humboldt County, California.
Oral presentation.
Bobzien, Steven, Joseph
E. Didonato, and Peter J. Alexander. The status of the California
red-legged frog (Rana aurora draytonii) in the East Bay
Regional Park District. Oral presentation.
Bradford, David F.
Factors adverse affecting amphibian populations in the US. Oral
presentation.
Clayton, David, Dede
Olson, Steve Morey, John Guetterman, Brenda Devlin, Richard Nauman,
Ed Reilly, and Hart Welsh. Conservation plan for the Siskiyou
Mountains salamander, Plethodon stormi, in the US Pacific
Northwest. Poster presentation.
Cook, David, and Philip
T. Northen. Status of California tiger salamander in Sonoma County.
Oral presentation.
Fesnock, Amy L., and
Paul G. Johnson II. Reestablishing California red-legged frogs
to their historical range within Pinnacles National Monument.
Oral presentation.
Herman, Andrea E.,
and Sharyn B. Marks. Movement patterns and ecology of the Shasta
salamander (Hydromantes shastae). Oral presentation.
Jaeger, Jef R., Brett
R. Riddle, and David F. Bradford. When a phylogenetic trichotomy
makes sense: Phylogeography of Bufo punctatus and the evolution
of North American warm deserts. Oral presentation.
Lovich, Robert E.,
and Robert N. Fisher. Camp Pendleton's Herpetofauna: Tracking
the success of upland management practices in a vanishing landscape.
Oral presentation.
Lowe, Jason. Population
structure and habitat relationships of sympatric populations of
the terrestrial salamanders Plethodon elongatus and Ensatina
eschscholtzii. Oral presentation.
Matthews, Kathleen,
Rob Grasso, and Igor Lacan. Determining differential growth,
longevity and age at maturity of the mountain yellow-legged frog
Rana nuscosa over varying elevations and latitudes in the
Sierra Nevada. Poster.
Muth, David. Manipulation
of habitat and bullfrog numbers in a mixed population of bullfrogs
and red-legged frogs in a central California pond. Oral presentation.
Ollivier, Lisa M.,
and Hartwell H. Welsh, Jr. Reproductive characteristics and life-stage
determination of the Del Norte salamander, Plethodon elongatus.
Oral presentation.
Pope, Karen L., and
Kathleen R. Matthews. Influence of anuran prey on the condition
and survival of Rana muscosa in the Sierra Nevada. Oral
presentation.
Welsh, Jr., Hartwell
H., and Daniel M. Boiano. Amphibian assemblages and introduced
fishes in wilderness areas of the Klamath Mountains of Northwestern
California. Oral presentation.
Society for Northwestern
Vertebrate Biology, Hood River, Oregon, April 3-6, 2002:
The Evolutionary Response
of Predators to Dangerous Prey: Garter Snakes and Newts (Plenary
Address). Edmund D. Brodie, Jr., and Edmund D. Brodie III.
Antipredator Behaviors
of Pacific Giant Salamander Larvae Against Trout. David Rundio
and Deanna H. Olson.
Amphibian Assemblages
& Introduced Fishes in Wilderness Areas of the Klamath Mountains
of Northwestern California. Hartwell H. Welsh, Jr. and Daniel
M. Boiano.
Amphibian Research
and Monitoring Initiative (ARMI): 2001 Eastern Oregon Field Season
Review. Wendy H. Wente, M. J. Adams, C. A. Pearl, and R. Bruce
Bury.
Amphibian Communities
and Habitat Use in Zero-Order Basins in the Oregon Coast Range.
Chris D. Sheridan and Deanna H. Olson.
Rare Salamanders on
Federal Lands: 2002 Research and Management Directions. Steve
Morey and Deanna H. Olson.
Conservation Genetics:
Tales of Pacific Northwest Forest Associated Salamanders. R.
Steven Wagner, Charles Crisafulli, Jennifer Scott, Lyn Dehen,
Melissa Mackey, and David Darda.
Thermal Ecology of
Northwest Stream Amphibians in Relation to Forest Management.
R. Bruce Bury, Alan V. Nebeker, Christopher A. Pearl, and Gwendolyn
W. Bury.
Effect of Forest Cover
on Aquatic-Breeding Amphibian Reproduction. Elke Wind.
Fire, Fuel Loads, and
Terrestrial Salamanders. Erin J. Hyde, R. Bruce Bury, and Don
J. Major.
Movement Patterns and
Ecology of the Shasta Salamander (Hydromantes shastae).
Andrea E. Herman and Sharyn B. Marks.
Habitat Associations
of the Van Dyke's Salamander in the Cascade Range. Aimee P. McIntyre,
Charlie M. Crisafulli, and Richard A. Schmitz.
Overwintering Behavior
of the Oregon Spotted Frog (Rana pretiosa) Along Dempsey
Creek, Thurston County, Washington. Ken L. Risenhoover, Timothy
C. McBride, Kelly McAllister, and Mark Golliet.
Ovipositioning Behavior
of the Oregon Spotted Frog (Rana pretiosa) Along Dempsey
Creek, Thurston County, Washington. Ken L. Risenhoover, Timothy
C. McBride, Kelly McAllister, and Mark Golliet.
Terrestrial Habitat
Use of Northern Red-Legged Frogs (Rana aurora aurora) in
the Puget Sould Lowlands, Washington. Joanne P. Schuett-Hames.
What's on the Menu
for the Del Norte Salamander? Lisa M. Ollivier.
They might be Giants
(But Which Species?) II: Differentiating Terrestrial Adult Pacific
Giant Salamanders Within the Range of Cope's Giant Salamander.
Lawrence L. C. Jones, Marc P. Hayes, Martin G. Raphael, Timothy
Quinn, Ronald A. Nussbaum, and Patrick Loafman.
Is the Olympic Tailed
Frog (Ascaphus truei) a Biodiversity Indicator? Marc P.
Hayes, Timothy Quinn, Douglas E. Runde, Lawrence L. C. Jones,
Martin G. Raphael, and Tiffany Hicks.
The Splat Project:
Monitoring Amphibian Movements and Mortality on a Highway Crossing
the Coastal Flats of Clayoquot, B.C. Barbara A. Beasley.
Northern Leopard Frogs
in British Columbia - Towards Recovery. Doug B. Adama, Marc-Andre
Beaucher, and Kate Lansley.
Northwest Fauna in
Managed Forested Headwaters: Invertebrates and Vertebrates. Andrew
R. Moldenke, Robert A. Progar, and Deanna H. Olson.
Importance of Behavior
in Predicting Effects of Bullfrogs (Rana catesbeiana) on
Native Ranid Frogs. Christopher A. Pearl, Michael J. Adams, R.
Bruce Bury, Brome McCreary, and Alan V. Nebeker
Observations of Negative
Interaction Between the Endangered Oregon Spotted Frog (Rana
pretiosa) and the Exotic Bullfrog (Rana catesbeiana).
Russ D. Haycock and Robert A. Woods.
Distribution Patterns
of Lentic-breeding Amphibians in Relation to Ultraviolet Radiation
Exposure. Michael J. Adams, Blake R. Hossack, and Roland A. Knapp.
Role of Pathogens in
Amphibian Declines. Cynthia Carey
Parasite Infection
Linked to Amphibian Malformations. Pieter T. J. Johnson, Jay
Bowerman, and Andrew R. Blaustein.
Multiple Causes for
Amphibian Population Declines in the Pacific Northwest. Andrew
R. Blaustein.
Factors Implicated
in Amphibian Population Declines in the U.S., and an Evaluation
of the Case for Invasive Species. David F. Bradford.
Plethodon stormi
Conservation Strategy. David Clayton, Brenda Devlin, John Guetterman,
Steve Morey, Deanna H. Olson, Ed Reilly, and Hart Welsh.
The Del Norte/Siskiyou
Mountains Salamander Complex: Status and Conservation on Federal
Lands. Richard S. Nauman and Deanna H. Olson.
The Effect of Clearcut
Edges on Rare Terrestrial Salamanders in Southwestern Oregon.
Richard S. Nauman and Deanna H. Olson.
Population Structure
and Habitat Relationships of the Terrestrial Salamanders Ensatina
eschscholtzii and Plethodon elongatus in an Area of
Sympatry. Jason Lowe and John Reiss.
Amphibian Communities
as Integrators of Wetland and Surrounding Land Cover Conditions.
Klaus O. Richter and Drew W. Kerr.
The Density Management
and Riparian Buffer Studies of Western Oregon. Charley Thompson,
Deanna H. Olson, Samuel Chan, Kathleen Maas-Hebner, and John Tappeiner.
Symposium on "Current
Research on Herpetofauna of the Sonoran Desert II, "Tuscon, Arizona,
April 5-7, 2002:
Post-Pleistocene Divergence
of Pacific Treefrog Populations in Baja California, Mexico. Gergus,
Erik W. A.
Population Dynamics
of Lowland Leopard Frogs in Saguaro National Park. Swann, Don
E., and Cecil R. Schwalbe
Population Losses,
Die-Offs, and Chytrid Fungal Disease (Chytridiomycosis) in Leopard
Frogs and American Bullfrogs in Arizona. Rosen, Philip C., Gregory
A. Bradley, Dennis J. Caldwell, Kimberleigh J. Field, and Michael
J. Sredl
Characterization of
the Metapopulation Structure of Lowland Leopard Frogs in the Bill
Williams River Drainage of Western Arizona. Benedict, Nicolas
G., and Thomas W. Quinn
Phylogeography of Barking
Frogs in Arizona, Texas, and New Mexico. Goldberg, Caren S., Brian
K. Sullivan, John H. Malone, and Cecil R. Schwalbe
Monitoring Desert Amphibians.
Schwalbe, Cecil R., and Brent H. Sigafus
Effects of the Chytrid
Fungus on the Tarahumara Frog in Sonora, Mexico. Hale, Stephen
F., Philip C. Rosen, James L. Jarchow, and Gregory A. Bradley
Cutaneous Chytridiomycosis
in the Western Chorus Frog. Miera, Verma, Elizabeth W. Davidson,
and James P. Collins
The Effects of Chytridiomycosis
on the Developmental and Growth Rates of Tadpoles. (poster).
Nguyen, Dat,
and Elizabeth Davidson
Distribution and Habitat
Use of the Pacific Treefrog on the Lower Colorado River and in
Arizona. (poster). Rorabaugh,
James C., and Jeffrey M. Howland, and Randall D. Babb
Amer. Soc. Ichthyologists
and Herpetologists, Herpetologists' League, & Society for
the Study of Amphibians and Reptiles, Kansas City. 2002:
Distribution and Status
of the Arroyo Southwestern Toad (Bufonidae: Bufo californicus
Camp) in Baja California, Mexico. Lovich,
R.E.; Zimmitti, S.J.; C.R. Mahrdt
Long-term monitoring
in fragmented habitats in coastal southern California. Toure,T'Shaka
A.; Fisher,Robert N.
AmphibiaWeb: an information
system for amphibian conservation biology. van der Meijden, A.;
Vredenburg, V.T.; Gross, J.; Wake, D.B.
Phylogeography of Bufo
punctatus: Long-term Evolution within the Warm Deserts of
North American and Late Quaternary Range Shifting. Jaeger,
J.R.; Riddle, B.R.
Cattle Ponds: Are We
Overlooking an Existing Resource for the Conservation of Native
Aquatic Breeding Amphibian Species? Ervin, E;L.; Warburton,
M.L.; Fisher, R.N.
Indirect Facilitation
of Bullfrog Invasion by Non-Native Fishes. Adams, Michael; Pearl,
C.A.; Bury, R.B.; Nebecker, A.V.
Controlling bullfrogs
in the Southwest. Schwalbe, C.R.; Rosen,
P.C.
Camp Pendleton's herpetofauna:
Tracking the success of monitoring practices in a vanishing landscape. Lovich, R.E.; Fisher,
R.N.
Amphibian conservation
genetics: tails from the trenches. Shaffer, H.
Observational and experimental
assessment of landscape-scale movement by California newts. Trenham, P.
Removal of exotic trout
from multiple lakes results in rapid recovery of threatened mountain
yellow-legged frog Rana muscosa. Vredenburg, V *C.
Society of Environmental
Toxicology and Chemistry, Salt Lake City, Utah, November 17-20,
2002:
Cowman, Deborah. Frogs
and pesticides in the Sierra Nevada Mountains, CA.
Society of Integrative
and Comparative Biology, Toronto, Ontario, Jan 4-8, 2003:
Hatch, K.A.; Tracy,
C.R. Winterkill of Rana luteiventris in a riparian habitat
Jones, D.J.; Tracy,
C.R.; Simandle, E.T. Oviposition sites of the Amargosa Toad
(Bufo nelsoni)
SOME PRESS COVERAGE
"Suit filed to protect
red-legged frog/EPA accused of allowing killer
>pesticides," San Francisco
Chronicle, Wednesday, April 3, 2002, Jane Kay, Chronicle Environment
Writer.
"Common Weed Killer
Stunts Frog Reproduction," San Francisco Chronicle, Tuesday, April
16, 2002. This and many articles in many other news outlets refer
to Tyrone Hayes et al. study of atrazine on Xenopus, and implications
for amphibian population declines, published in PNAS.
"Parasite deforming
amphibians/Mutant limbs, skin in West Coast species," San Francisco
Chronicle, Saturday, April 20, 2002, Carl T. Hall, Chronicle Science
Writer.
"Frog proposed for
protection; Groups petition for Lake Mead area amphibian's inclusion
on list," Las Vegas Review-Journal, May 9, 2002. Keith Rogers.
"Why frogs croak; winds
take pesticides to high Sierra," Valley Voice Newspaper, June
6, 2002, John Lindt. http://valleyvoicenewspaper.com/frogs.htm
'The celebrated leopard
frogs of Clark County; Leopard frogs aren't extinct after all,
and activists want it to stay that way," Las Vegas Mercury, June
6, 2002, Heidi Walters. http://www.lasvegasmercury.com/2002/MERC-Jun-06-Thu-
2002/18901371.html
"Judge reverses decision,
returns habitat to frog." San Francisco Chronicle, July 25, 2002.,
Jane Kay.
http://www.sfgate.com/cgi-bin/article.cgi?f=/chronicle/archive/
2002/
07/25/BA9202.DTL
"Pesticides blamed in
decline of 3 additional frog species; Research shows more than red-legged
likely hrut by chemicals." Oakland Tribune, November 23, 2002,
Don Thompson, Asociated Press. http://www.oaklandtribune.com/Stories/0,1413,
82%257E1865%257E1009418,00.html
"Suit says pesticides
hurt Sierra frogs." San Francisco Chronicle, December 5, 2002.
http://sfgate.com/cgi-bin/article.cgi?f=/c/a/2002/12/05/BA200381.DTL
"Money woes endanger
Yosemite toad, government says" San Francisco Chronicle, December
10, 2002. Dan Thompson, Associated Press.
"Scarce funds keep
frog off danger list," Sacramento Bee, Janurary 17, 2003.
"Sierra frog must wait
for federal protection 'Endangered' status at least a year away,
" San Francisco Chronicle, January 17, 2003.
OPEN MEETINGS AND
WORKSHOPS
DAPTF, CA/NV Working
Group, San Diego, January 10-11, 2002. Contact: Dave Bradford,
702-798-2681, bradford.david@epa.gov.
California red-legged
frog workshop, sponsored by the Sacramento-Shasta Chapter of The
Wildlife Society, 3 days, April, 2002. Contact: Charlene Hall,
916-414-6739,
Amphibians of the San
Francisco Bay Area. Workshop sponsored by the San Francisco Bay
Chapter & Western Section, The Wildlife Society, May 4-5,
2002, Sonoma State University, Rohnert Park, CA.
LEGAL/ADMINISTRATIVE
ACTIONS
See separate list "Status
of Recent or Pending Administrative & Legal Actions, 2003
DAPTF CA/NV Meeting."
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