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Documents in comprehensive detail a major environmental crisis: rapidly declining amphibian populations and the disturbing developmental problems that are increasingly prevalent within many amphibian species.
"Most guides to animals in parks are intended primarily as identification aids and include relatively little on the biology of the species. Dodd's book is much more, with detailed information on all aspects of the natural history of these species. Biologists, students, and visitors to Great Smoky Mountains National Park will find this an indispensable guide." --Arthur C. Echternacht Professor of Ecology and Evolutionary Biology University of Tennessee The Amphibians of Great Smoky Mountains National Park is the first book devoted entirely to the natural history of the forty-four species of amphibians known to occur presently or historically in the Great Smoky Mountains of North Carolina and Tennessee, in the most-visited national park in the United States. Features - The only comprehensive book on the natural history of the amphibians of Great Smoky Mountains National Park - Beautiful original illustrations of salamander and frog larvae taken from specimens within the park - History of research and management effects on amphibians within the park - Extensive new information on the natural history of amphibians, based on four years of intensive field research - Simplified identification table guide to amphibian larvae - Summary of information on distribution (with range maps) and biogeography - Comprehensive bibliography of the literature on amphibians within the park - Summary of new data on the conservation of southern Appalachian amphibians, particularly with regard to land use, the effects of UV light, and disease C. Kenneth Dodd is a research zoologist with the U.S. Geological Survey at the Florida Integrated Science Center and is president of The Herpetologists' League. He is the author of North American Box Turtles: A Natural History and numerous articles in Journal of Herpetology, Biological Conservation, Herpetologica, and other publications. He lives in Gainesville, Florida.
Recent worldwide amphibian declines have highlighted a need for more extensive, rigorous monitoring programs. Investigators must make decisions about which state variable to monitor based on the monitoring program's scientific or management objectives, while considering economic and logistical constraints. Two sources of variation; spatial variation and variation in detection probability constrain the inferences drawn from these monitoring programs. Our research focused on estimating detection probabilities for three state variables commonly used in terrestrial salamander monitoring programs: population size, proportion of area occupied, and species richness. Approximately 10% of the world's salamander species are found in the southern Appalachian region and they are a high priority taxon in Great Smoky Mountains National Park (GSMNP). We used Pollock's robust design in a 3-year capture-recapture study at 15-20 replicated sites in a single watershed in GSMNP. We used competing models to estimate detection probability parameters for plethodon salamanders, determine the importance of temporary emigration (i.e. the probability of being absent from the sample area), and explored temporal and behavioral effects on conditional capture probabilities. Models that included random temporary emigration were chosen four times more often than models with no temporary emigration. Models that contained behavioral effects in capture probabilities were preferred over models with only time effects, but there was evidence that behavioral and time effects together influenced capture probabilities. We used the 'best' robust design model to test a priori hypothesis about spatial and temporal variation in salamander detection probability parameters. We explored the effects of 3 large-scale habitat characteristics (disturbance history, elevation, vegetation type) and found vegetation type and elevation were significant covariates in temporary emigration, conditional capture probability, an.
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The 7-volume Encyclopedia of Biodiversity, Second Edition maintains the reputation of the highly regarded original, presenting the most current information available in this globally crucial area of research and study. It brings together the dimensions of biodiversity and examines both the services it provides and the measures to protect it. Major themes of the work include the evolution of biodiversity, systems for classifying and defining biodiversity, ecological patterns and theories of biodiversity, and an assessment of contemporary patterns and trends in biodiversity. The science of biodiversity has become the science of our future. It is an interdisciplinary field spanning areas of both physical and life sciences. Our awareness of the loss of biodiversity has brought a long overdue appreciation of the magnitude of this loss and a determination to develop the tools to protect our future. Second edition includes over 100 new articles and 226 updated articles covering this multidisciplinary field— from evolution to habits to economics, in 7 volumes The editors of this edition are all well respected, instantly recognizable academics operating at the top of their respective fields in biodiversity research; readers can be assured that they are reading material that has been meticulously checked and reviewed by experts Approximately 1,800 figures and 350 tables complement the text, and more than 3,000 glossary entries explain key terms