California/Nevada Amphibian Populations Task Force Meeting -To be held at- San Diego Natural History Museum (Use Nor Entrance) 1788 El Prado. San Diego, CA 92. Garden Slender Salamander (Batrachoceps major) from Fallbrook, San Diego Co., CA, photographed by Bradford Hollingswor. uary 9–, . Wi Field Trip on Saturday. California-Nevada Amphibian Populations Task Force uary -11, Humboldt State University Kate Buchanan Room 1 Harpst Street Arcata, CA 95521 AGENDA Chair: Dave Bradford, Las Vegas, NV Meeting Coordinator: Jef Jaeger, School of Life Sciences, University of Nevada, Las Vegas. California/Nevada Amphibian Population Task Force 2009 Annual Meeting. To be held at e Bodega ine Laboratory 2099 Westside Rd. Bodega Bay, CA 94923. uary 15 and 16 (field trip on 17 ), 2009. Photo: Rana boylii by Kevin Wiseman. ABSTRACTS (PDF version) ALVAREZ, JEFF. 1*, DAVID G. COOK 2, and MICHAEL G. VAN HATTEM 3, 48.4/ (113). CA/NV APTF Chair: Dave Bradford Yosemite NP Host: Hea er McKenny (209) 379-1438 hea [email protected] Call for Papers. Please consider presenting your work or an update of conservation issues or research focused on amphibian conservation and biology in California, Nevada, or . California/Nevada Amphibian Populations Task Force Meeting -To be held at- e Ridge Golf Club and Events Center Golf Course Road Auburn, CA 95602 Foo ill Yellow-legged Frogs, photo Craig Seltenrich uary 11 – 12, Wi Field Trip Saturday, uary 13 Friday 1:30pm-5:30pm. CA/NV APTF Chair: Dave Bradford (702) 798-2681 [email protected] Yosemite NP Host: Hea er McKenny (209) 379-1438 hea [email protected] Call for Papers Please consider presenting your work or an update of conservation issues or research focused on amphibian conservation and biology in California, Nevada, or elsewhere. California-Nevada Working Group Meeting uary , 2003 California State University, Sacramento AGENDA. 8:30 - 8:40 am: Introduction - Dave Bradford (EPA) 8:40 - 9: am: Chytrid fungus and lining amphibian populations. Chytrid-amphibian biology and e UC Berkeley NIH project - Roland Knapp (UC) Field detection of chytridiomycosis - Lara. Amphibians are among e most reatened vertebrate taxa worldwide, and are facing a suite of potential stressors. In a recent syn esis, researchers identified four major reats - land use change, disease risk, climate change, and pesticide use - contributed to e local extinction of amphibian populations, but e streng and direction of ese effects varied geographically. California Department of Fish and Game. 2006. Vredenburg V. T. Tunstal, R. Bingham, J. Yeh, S. Schoville, C. Briggs and C. Moritz. Patterns of habitat use and movement of Rana muscosa in e nor ern Sierra Nevada wi comparisons to populations in e sou ern Sierra Nevada, wi additional information on e biogeography of e species (PDF. 03, · Two wildlife experts from WRA will present research at e California and Nevada Amphibian Populations Task Force Meeting in San Diego, CA on uary 9-. WRA Senior Wildlife Biologist, Rob Schell, will present his paper: Environmental DNA (eDNA) Sampling as a Me od to Detect Rare or Elusive Aquatic Herpetofauna: Two Case Studies. Created at an amphibian population management workshop held on -11 ember 2007 at San Diego Zoo, San Diego, California, U.S.A sponsored by e Amphibian Ark. I. Introduction. Amphibians, a unique group of vertebrates containing over 7,000 known species, are reatened worldwide. A 2004 global assessment (Baillie et al (eds) 2004) found at nearly one- ird (32) of e world's amphibians are reatened, representing 1,856 species.Amphibians have existed on ear for over 300 million years, yet in just e last two ades ere have been an. Amphibian populations fluctuate in size (Pechmann et al., 1991. Alford and Richards, 1999), but around 1989, herpetologists became alarmed by reports at populations and even species were lining—some to extinction (Blaustein and Wake, 1990. Corn, . Distributions of Airborne Agricultural Contaminants Relative to Amphibian Populations in e Sou ern Sierra Nevada, California RESEARCH SUM Y Principal Investigators: Ed Hei 1, David Bradford 2, Chad Cross 2, Be Gentry 1, Roland Knapp 3, Georges- ie Momplaisir 1, Maliha Nash 2, Nita Tallent-Halsell 2, Lee Riddick 1. California Nevada Utah Arizona e Amphibian Research and Monitoring Initiative in e Pacific Nor west Pearl CA, Bury RB. 2003. Indirect facilitation of an characteristics of natural waters can protect amphibian populations from UV-B in e US Pacific Nor west. Ecology 83:2951-2957. Nor Coast and Cascades. For species, such as e Sou ern Mountain Yellow-Legged Frog and e Sierra Nevada Yellow-Legged Frog, e spread of disease wi in e population is an even greater reat to eir survival an roads or: subdivisions. 13: Fungal infections and pesticides also adversely affect herptile populations. e USGS Amphibian Research and Monitoring Initiative (ARMI) is designed to determine where populations of amphibians are present, to monitor specific apex populations, and to investigate potential causes of amphibian lines, diseases, and malformations. 25, · Sacramento, Calif e U.S. Fish and Wildlife Service (Service) has scheduled two public meetings in uary on e proposals to list and designate critical habitat for e Sierra Nevada yellow-legged frog, e nor ern distinct population segment . is pond has provided important breeding habitat for two amphibian species protected under e Endangered Species Act: California red-legged frogs and Santa Cruz long-toed salamanders. Populations of ese animals have been present since at least 1997, when rigorous monitoring of amphibian populations at e reserve began. California-Nevada Amphibian Populations Task Force uary 18-20, 2007 Tam Alumni Center University of Nevada, Las Vegas Las Vegas, NV FINAL AGENDA Chair: David Bradford, US Environmental Protection Agency, Las Vegas Local Committee: Jef Jaeger, Public Lands Institute & School of Life Sciences, University of Nevada, Las Vegas. More an 6,000 amphibian species exist worldwide, wi approximately 300 of em found in e United States. e USGS is e lead agency for e Amphibian Research and Monitoring Initiative (ARMI), a program of amphibian monitoring, research, and conservation at was established in response to e worldwide line of amphibian species. 08, · Chytridiomycosis A major cause of population line in California amphibians is e deadly fungal pa ogen chytrid, or Batrachochytrium dendrobatidis (Bd). e fungus causes frog skin to cease its normal functions, including absorbing oxygen and nutrients, which in most cases is fatal. e line in amphibian populations is an ongoing mass extinction of amphibian species worldwide. Since e 1980s, reases in amphibian populations, including population crashes and mass localized extinctions, have been observed in locations all over e world. ese lines are known as one of e most critical reats to global biodiversity.. Recent (2007) research indicates e. recent, not ancient, populations. Amphibian losses have engendered research and conservation programs, and a general call to prevent more species lines and extinctions in is vertebrate class (Mendelson et al. 2006). Responding will require a el, and cross-disciplinary initiative such as e Amphibian Conservation Action Plan or ACAP. RESPONSES OF A LINING AMPHIBIAN AND O ER WILDLIFE TO CHANGES IN FISHERIES MANAGEMENT IN A CALIFORNIA WILDERNESS Final Report to e California Department of Fish and Game Agreement Number P0285011 30 ember, 2007 Karen L. Pope1,2 Sharon P. Lawler1 Hartwell H. Welsh, Jr.2 1University of California, Davis, One Shields Ave., Davis CA 95616. Subject: Native amphibian monitoring in Alpine County – Updated . INTRODUCTION Sierra Nevada yellow-legged frogs, Rana sierrae, (SNYLF) are extant at twelve locations in Alpine County (Figure 1). is memorandum addresses nine small populations wi limited restoration opportunities. Apr 24, · Amphibians in e Sierra Nevada, CA. Posted on April 24, by Davis, Miranda L. Duties include monitoring of amphibian populations using pittagging and radio telemetry equipment, assessment of habitat conditions using basic stream and meadow survey techniques, compiling and entering all field data into excel and access databases. 11, · e argument focuses on UV-B because amphibian populations are particularly vulnerable to UV-B. Essentially, e whole issue of UV-B is a mechanism at supports e depletion of e ozone eory for why amphibian populations are . Apr 11, · e state of California is in e Pacific area of e United States. California is e ird biggest American state by area. California is e most populous state in e U.S. wi over 39.6million residents and an area of about 163,696sq miles. e official California state amphibian is e Rana draytonii (California red-legged frog). e Department of e Interior's Amphibian Research and Monitoring Initiative (ARMI) is designed to determine where populations of amphibians are present. to monitor specific populations and to investigate potential causes of line and deformity.. RARMI scientists conduct research into factors at affect e distribution and abundance of amphibian populations. 22, · layer is e pri y cause of e lining amphibian population: DO = depletion of e ozone layer DA = line of amphibian population C E DO DA is conclusion is based on e fact at e ozone layer blocks harmful UV-B radiation, which amphibians are . 31, · Amphibian Populations line. Over e years, ere has been a global outcry on e increasing amphibian populations line. Today, it is estimated at about a ird or half of e total amphibian population is under reat of extinction, wi more an . 17, · California Department of Conservation administers a variety of programs vital to California's public safety, environment and economy. e services DOC provides are designed to balance today's needs wi tomorrow's obligations by fostering e wise use and conservation of energy, land and mineral resources. Nor east Amphibian Research and Monitoring Initiative. e Department of e Interior's US Geological Survey Amphibian Research and Monitoring Initiative (ARMI) is designed to determine where populations of amphibians are present, to monitor specific apex populations, and to investigate potential causes of amphibian lines, diseases, and malformations. Amphibians and reptiles are sensitive to heat, cold, dehydration and stress. Investigators must make every effort to avoid trap dea s from such causes as exposure to unfavorable temperatures, drowning, shock, predation and desiccation. In general, traps for amphibians and reptiles should be checked early in e day and at least daily when. In addition to collecting and studying frogs, Blackburn also works to train future herpetologists and environmental steds. Among o er efforts, he convened a training session focused on biodiversity for African students and conservationists at e 17 African Amphibian Working Group meeting, offering an excellent opportunity for aspiring researchers to learn e skills necessary for. portant role in population lines of amphibians in is area. Each year, vast quantities of pesticides are applied to e in-tensely agricultural San Joaquin Valley of California. For ex-ample, in 1998, 5.9 million kilograms of active ingredient pesticides, or 60 of e total usage in e state of California, were sprayed ere . For most of e amphibians of e world, ere is little to no ing known. However, we hope to have a web page and a species account for ese amphibians because is will highlight our lack of knowledge and help guide future studies. Taxonomy: Taxonomy is an evolving enterprise for AmphibiaWeb. is is a list of official U.S. state, federal district, and territory amphibians. State amphibians are designated by tradition or e respective state legislatures. . 06, · A recently published report from e U.S. Geological Survey shows a 3.7 percent national yearly population line in amphibian–including frogs, salamanders and o er amphibian species. Corn P.S. 2006. Current and Future reats to Amphibian Populations. 2nd Alaska Amphibian Conference, eau. [invited] Corn P.S. 2006. Climate Change and Amphibians. MTNCLIM 2006, Annual meeting of e Consortium for Integrated Climate Research on Western Mountains, Mt. Hood, Oregon. [invited] Corn P.S. 2006. Amphibians play an important role in e food web, serving as prey for many fish, reptile, bird, and mammal species and in turn eating a wide variety of vertebrate and invertebrate species. Jump to: Amphibian Resource Briefs Amphibian Reports Quick Reads. Monitoring. NCRN monitors amphibians in bo streams and wetlands. 23, · A new study finds at frogs, toads, salamanders and o er amphibians in e U.S. are dying off so quickly at ey could disappear from half of eir habitats in e next 20 years. . 9, — Amphibian populations around e world are lining due to a skin disease caused by fungus. However, an amphibian commonly found in Louisiana, e ree-toed amphiuma, has shown. 25, · In recent years, scientists and conservationists have been working to raise public aeness of a global line in amphibian populations. Herpetologists first started noting at amphibian populations were falling at many of eir study sites in e 1980s. however, ose early reports were anecdotal, and many experts doubted at e observed lines were cause for concern . line in amphibian populations is part of WikiProject Amphibians and Reptiles, an effort to make Wikipedia a standardized, informative, comprehensive and easy-to-use resource for amphibians and reptiles.If you would like to participate, you can choose to edit is article, or visit e project page for more information. GA is article has been rated as GA-Class on e project's quality scale. 24, · Populations of frogs and o er amphibians are lining at an average rate of 3.7 percent each year, according to a new U.S. Geological Survey study. Karen Bleier / . Several species of anuran amphibians have undergone drastic population lines in e western United States over e last to 15 years. In California, e most severe lines are in e Sierra Mountains east of e Central Valley and downwind of e intensely agricultural San Joaquin Valley. In contrast, coastal and more nor ern populations across from e less agrarian Sacramento Valley.