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Publications

Below is a list of WERC's peer-reviewed publications. If you are searching for a specific publication and cannot find it in this list, please contact werc_web@usgs.gov

Filter Total Items: 3776

Editorial Editorial

No abstract available.
Authors
B.N.K. Davis, T.R. New, C. Schonewald-Cox

Ecologically correlated morphological variation in tadpoles of the leopard frog, Rana chiricahuensis Ecologically correlated morphological variation in tadpoles of the leopard frog, Rana chiricahuensis

Interspecific differences in tadpole morphology among leopard frogs of the Rana pipiens complex may represent adaptations to larval habitats. We documented variation in tadpole morphology among populations of R. chiricahuensis and compared intraspecific patterns of variation to those among species. Traits that exhibit similar patterns of variation in intraspecific and interspecific...
Authors
R.D. Jennings, N.J. Scott

Disappearance of the cascades frog Rana cascadae at the southern end of its range, California, USA Disappearance of the cascades frog Rana cascadae at the southern end of its range, California, USA

It has recently become evident that amphibian species in many areas of the world have suffered serious declines. Healthy, seemingly well-protected populations have disappeared for no obvious reason. Data from historic accounts and museum records indicate that the Cascades frog, Rana cascadae, was once abundant at the southern end of its range in the vicinity of Lassen Volcanic National...
Authors
Gary M. Fellers, Charles A. Drost

Boron, molybdenum, and selenium in aquatic food chains from the lower San Joaquin River and its tributaries, California Boron, molybdenum, and selenium in aquatic food chains from the lower San Joaquin River and its tributaries, California

Boron (B), molybdenum (Mo), and selenium (Se) were measured in water, sediment, particulate organic detritus, and in various biota—filamentous algae, net plankton, macroinvertebrates, and fishes—to determine if concentrations were elevated from exposure to agricultural subsurface (tile) drainage during the spring and fall 1987, in the San Joaquin River, California. Concentrations of B...
Authors
Michael K. Saiki, Mark R. Jennings, William G. Brumbaugh
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