| Microcosm investigations of stormwater pond sediment toxicity to embryonic and larval amphibians: variation in sensitivity among species. | |
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MedLine Citation:
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PMID: 18023947 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Stormwater ponds have become common features of modern development and often represent significant amounts of open space in urbanized areas. Although stormwater ponds may provide habitat for wildlife, factors responsible for producing variation in wildlife use of ponds have received limited attention. To investigate the role of variation in species tolerances of pollutants in structuring pond-breeding amphibian assemblages, we exposed species tolerant (Bufo americanus) and not tolerant (Rana sylvatica) of urbanization to pond sediments in laboratory microcosms. Pond microcosms had elevated sediment metal levels and chloride water concentrations. Among R. sylvatica embryos, exposure to pond sediments resulted in 100% mortality. In contrast, B. americanus embryos and larvae experienced only sublethal effects (i.e., reduced size at metamorphosis) due to pond sediment exposure. Our results suggest variation in pollutant tolerance among early developmental stages of amphibians may act in concert with terrestrial habitat availability to structure amphibian assemblages associated with stormwater ponds. |
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Authors:
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Joel W Snodgrass; Ryan E Casey; Debra Joseph; Judith A Simon |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, U.S. Gov't, Non-P.H.S. Date: 2007-11-19 |
Journal Detail:
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Title: Environmental pollution (Barking, Essex : 1987) Volume: 154 ISSN: 0269-7491 ISO Abbreviation: Environ. Pollut. Publication Date: 2008 Jul |
Date Detail:
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Created Date: 2008-06-09 Completed Date: 2008-09-30 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8804476 Medline TA: Environ Pollut Country: England |
Other Details:
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Languages: eng Pagination: 291-7 Citation Subset: IM |
Affiliation:
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Department of Biological Sciences, Towson University, 8000 York Road, Towson, MD 21252, USA. jsnodgrass@towson.edu |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animals Bufo bufo / embryology* Chlorides / analysis, toxicity Ecology / methods Environmental Pollution / adverse effects*, analysis Fresh Water Geologic Sediments / chemistry Larva / drug effects Metals / analysis, toxicity Metamorphosis, Biological / drug effects Ranidae / embryology* Soil Pollutants / analysis, toxicity Species Specificity Urbanization* Water Movements Water Pollutants, Chemical / analysis, toxicity |
| Chemical | |
Reg. No./Substance:
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0/Chlorides; 0/Metals; 0/Soil Pollutants; 0/Water Pollutants, Chemical |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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