Výsledky vyhledávání - "Carmen M. Thomas"

Adaptive Management of Bull Trout Populations in the Lemhi Basin

Autor: Carmen M. Thomas, Damien Miller, James T. Peterson, Andrew J. Tyre, Max Post van der Burg, Sarah J. Converse, Jeri Wood, Ralph Thompson, Donna Brewer, Tiffany L. Bogich, Michael C. Runge

Publikováno v: Journal of Fish and Wildlife Management. 2:262-281

The bull trout Salvelinus confluentus, a stream-living salmonid distributed in drainages of the northwestern United States, is listed as threatened under the Endangered Species Act because of rangewide declines. One proposed recovery action is the re

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d5fdc04f8a67201b9685bbb9effe10ab
https://doi.org/10.3996/022011-jfwm-012

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Organochlorine Concentrations and Eggshell Thickness in Failed Eggs of the California Clapper Rail from South San Francisco Bay

Autor: Steven E. Schwarzbach, John D. Henderson, Carmen M. Thomas, Joy D. Albertson

Publikováno v: The Condor. 103:620-624

In 1992 we collected 22 failed California Clapper Rail (Rallus longirostris obsoletus) eggs from four tidal marshes of south San Francisco Bay for organochlorine analysis and determination of eggshell thickness. Mean eggshell thickness of these eggs

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::15065e583fff9211970bfa38d776cbc3
https://doi.org/10.1093/condor/103.3.620

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Accumulation of Trifluoroacetate in Seasonal Wetlands in California

Autor: Steven E. Schwarzbach, James N. Seiber, Thomas M. Cahill, Carmen M. Thomas

Publikováno v: Environmental Science & Technology. 35:820-825

Trifluoroacetate (TFA, CF3COO-) is a stable and mildly phytotoxic breakdown product of several fluorinated organic compounds including the hydro(chloro)fluorocarbons (HFC/HCFCs) that have largely replaced the stratospheric ozone-depleting chlorofluor

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::952d1d2357033cd151686e1d04580337
https://doi.org/10.1021/es0013982

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Effects of Tillage on Lead Shot Distribution in Wetland Sediments

Autor: Carmen M. Thomas, Cliff L. Feldheim, John G. Mensik

Publikováno v: The Journal of Wildlife Management. 65:40

At Sacramento National Wildlife Refuge, California, we examined 2 types of deep tillage (disking and plowing) as possible management options for reducing lead pellet densities in wetlands. In addition, we examined the vegetation changes that resulted

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3de16d53ff1c88314a399129ce868d3c
https://doi.org/10.2307/3803275

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ENVIRONMENTAL CONTAMINANTS IN GREAT BLUE HERONS (ARDEA HERODIAS) FROM THE LOWER COLUMBIA AND WILLAMETTE RIVERS, OREGON AND WASHINGTON, USA

Autor: Robert G. Anthony, Carmen M. Thomas

Publikováno v: Environmental Toxicology and Chemistry. 18:2804

Great blue heron (Ardea herodias) eggs and prey items were collected from six colonies in Oregon and Washington, USA, during 1994 to 1995. Contaminant concentrations, reproductive success, and biomagnification factors were determined and effects of r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f3ba449dda4dcb2293225b9ecdad8529
https://doi.org/10.1897/1551-5028(1999)018<2804:ecigbh>2.3.co

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