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Uptake of environmental contaminants by small mammals in pickleweed habitats at San Francisco Bay, California

Archives of Environmental Contamination and Toxicology

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Abstract

Small mammals were livetrapped in pickleweed (Salicornia virginica) habitats near San Francisco Bay, California in order to measure the uptake of several contaminants and to evaluate the potential effects of these contaminants on the endangered salt marsh harvest mouse (Reithrodontomys raviventris). Tissues of house mice (Mus musculus), deer mice (Peromyscus maniculatus), and California voles (Microtus californicus) from nine sites were analyzed for chemical contaminants including mercury, selenium, cadmium, lead, and polychlorinated biphenyls (PCBs). Concentrations of contaminants differed significantly among sites and species. Mean concentrations at sites where uptake was greatest were less than maximum means for the same or similar species recorded elsewhere. Harvest mice (Reithrodontomys spp.) were captured only at sites where concentrations of mercury or PCBs were below specific levels in house mice. Additional studies aimed at the protection of the salt marsh harvest mouse are suggested. These include contaminant feeding studies in the laboratory as well as field monitoring of surrogate species and community structure in salt marsh harvest mouse habitats.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Uptake of environmental contaminants by small mammals in pickleweed habitats at San Francisco Bay, California
Series title:
Archives of Environmental Contamination and Toxicology
Volume
22
Issue:
4
Year Published:
1992
Language:
English
Contributing office(s):
Patuxent Wildlife Research Center
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Archives of Environmental Contamination and Toxicology
First page:
389
Last page:
396
Number of Pages:
8