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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: 3780

Sea otters in a dirty ocean Sea otters in a dirty ocean

No abstract available.
Authors
David A. Jessup, Melissa A. Miller, Christine Kreuder Johnson, Patricia A. Conrad, M. Tim Tinker, James A. Estes, Jonna A.K. Mazet

Subspecific variation in the widespread burl-forming Arctostaphylos glandulosa Subspecific variation in the widespread burl-forming Arctostaphylos glandulosa

The genus Arctostaphylos consists mostly of chaparral shrubs known by the common name manzanita, and one of the widest ranging of these is A. glandulosa Eastw., distributed from Baja California to Oregon. Particularly in the southern half of its range it exhibits complex patterns of morphological variation that have long presented taxonomic challenges. Phenetic analysis of morphological...
Authors
Jon E. Keeley, Michael C. Vasey, V. Thomas Parker

Efficacy of CPTH-treated egg baits for removing ravens Efficacy of CPTH-treated egg baits for removing ravens

Human-altered landscapes have provided resource subsidies for common ravens (Corvus corax) resulting in a substantial increase in raven abundance and distribution throughout the United States and Canada in the past 25 years. Ravens are effective predators of eggs and young of ground-nesting birds. During 2002–2005, we tested whether chicken egg baits treated with CPTH (3-chloro-p...
Authors
Peter S. Coates, Jack O. Spencer, David J. Delehanty

Mercury concentrations and space use of pre-breeding American avocets and black-necked stilts in San Francisco Bay Mercury concentrations and space use of pre-breeding American avocets and black-necked stilts in San Francisco Bay

We examined factors influencing mercury concentrations in pre-breeding American avocets (Recurvirostra americana) and black-necked stilts (Himantopus mexicanus), the two most abundant breeding shorebirds in San Francisco Bay, California. We tested the effects of species, site, sex, year, and date on total mercury concentrations in blood of pre-breeding adult birds and used radio...
Authors
Joshua T. Ackerman, Collin A. Eagles-Smith, John Y. Takekawa, Scott A. Demers, Terrence L. Adelsbach, J.D. Bluso, A. Keith Miles, Nils Warnock, Thomas H. Suchanek, Steven E. Schwarzbach

Differential gene expression induced by exposure of captive mink to fuel oil: A model for the sea otter Differential gene expression induced by exposure of captive mink to fuel oil: A model for the sea otter

Free-ranging sea otters are subject to hydrocarbon exposure from a variety of sources, both natural and anthropogenic. Effects of direct exposure to unrefined crude oil, such as that associated with the Exxon Valdez oil spill, are readily apparent. However, the impact of subtle but pathophysiologically relevant concentrations of crude oil on sea otters is difficult to assess. The present...
Authors
Lizabeth Bowen, F. Riva, C. Mohr, B. Aldridge, J. Schwartz, A. Keith Miles, J.L. Stott

Detecting compaction disequilibrium with anisotropy of magnetic susceptibility Detecting compaction disequilibrium with anisotropy of magnetic susceptibility

In clay-rich sediment, microstructures and macrostructures influence how sediments deform when under stress. When lithology is fairly constant, anisotropy of magnetic susceptibility (AMS) can be a simple technique for measuring the relative consolidation state of sediment, which reflects the sediment burial history. AMS can reveal areas of high water content and apparent...
Authors
Kurt Schwehr, Lisa Tauxe, Neal Driscoll, Homa J. Lee

Evidence for the role of infectious disease in species extinction and endangerment Evidence for the role of infectious disease in species extinction and endangerment

Infectious disease is listed among the top five causes of global species extinctions. However, the majority of available data supporting this contention is largely anecdotal. We used the IUCN Red List of Threatened and Endangered Species and literature indexed in the ISI Web of Science to assess the role of infectious disease in global species loss. Infectious disease was listed as a...
Authors
Katherine F. Smith, Dov F. Sax, Kevin D. Lafferty

Catastrophe, recovery and range limitation in NE Pacific kelp forests: a large-scale perspective Catastrophe, recovery and range limitation in NE Pacific kelp forests: a large-scale perspective

The 1997–98 El Niño was one of the strongest on record and resulted in widespread losses of the giant kelp Macrocystis pyrifera (Agardh) along the west coast of North America. Drawing on a rich history of studies that have shown abnormally large waves and warm nutrient-poor water associated with El Niños to negatively impact giant kelp populations at some locations in southern and Baja...
Authors
Matthew S. Edwards, James A. Estes
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