The geographic variation of silver in the black turban snail, Tegula funebralis

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Flegal, A. R. (1980). The geographic variation of silver in the black turban snail, Tegula funebralis. Environment International, 3(4), 303-305.
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TitleThe geographic variation of silver in the black turban snail, Tegula funebralis
AuthorsA. Flegal
AbstractThe geographic variation of silver concentrations in the black turban snail, Tegula funebralis, along the California coastline indicates an anthropogenic influence. Relatively elevated levels of the metal occur in organisms adjacent to major wastewater outfalls compared to those from less populated areas. This parallels the distributions of silver concentrations in other molluscs within the area. It, therefore, substantiates the proposal that the pattern is primarily due to external factors, such as wastewater discharges, rather than intraspecific differences among the samples. The geographic variation of silver concentrations in the black turban snail, Tegula funebralis, along the California coastline indicates an anthropogenic influence. Relatively elevated levels of the metal occur in organisms adjacent to major wastewater outfalls compared to those from less populated areas. This parallels the distributions of silver concentrations in other molluscs within the area. It, therefore, substantiates the proposal that the pattern is primarily due to external factors, such as wastewater discharges, rather than intraspecific differences among the samples. Refs.
JournalEnvironment International
Date1980
Volume3
Issue4
Start page303
End page305
ISSN01604120
SubjectsSILVER AND ALLOYS, WASTEWATER - Environmental Impact, MARINE BIOLOGY, silver, invertebrate, sewer outfall, snail, united states
NoteInvertebrates, Ecology

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