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|a Mercury Residues in South Florida Apple Snails (Pomacea paludosa) |h [electronic resource] |y English. |
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|a [S.l.] : |b Springer-Verlag New York Inc, |c 1997-01-10. |
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|a Environmental Contamination and Toxicology. (1997) 58: 739-743 |y English. |
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|a Please contact the owning institution for licensing and permissions. It is the users responsibility to ensure use does not violate any third party rights. |
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|a Mercury concentrations in the sediments of south Florida wetlands have increased
three fold in the last century (Rood et al. 1993). Because south Florida is home to
many endemic and endangered species, it is important to understand the potential
impacts of mercury in this ecosystem's food web. Recent research by Malley et al.
(1996) has shown mollusks to be sensitive indicators of methyl mercury which can
reflect small differences in background methyl mercury concentrations. In this study,
we attempted to determine if the apple snail (Pomacea paludosa) or its eggs are good
indicators of bioavailable mercury. Then, using the apple snail as an indicator, we
attempted to determine geographic differences in the concentrations of mercury in
south Florida.
The apple snail, an important component of freshwater food webs, is distributed
throughout the extreme southeastern United States. Being aquatic, it leaves the water
only to lay eggs on emergent vegetation. The apple snail, a primary consumer which
feeds on periphyton, is the primary food source to the Snail kite (Rostrhamus
sociabilis) (Stieglitz and Thompson 1967; Sykes 1987), is a major food item for the
Limpkin (Aramun guarauna) (Harper 1936, 1941; Cottam 1941), and is found in the
diet of a variety of other species (Kushlan 1975). |
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|a Electronic reproduction. |c Florida International University, |d 2014. |f (dpSobek) |n Mode of access: World Wide Web. |n System requirements: Internet connectivity; Web browser software. |
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|a Government Documents, Green Library, Florida International University |
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|a Eisemann, J.D. |u Patuxent Environmental Science Center, U.S. National Biological Service. |
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|a Beyer, W.N. |u Patuxent Environmental Science Center, U.S. National Biological Service. |
| 700 |
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|a Morton, A. |u Patuxent Environmental Science Center, U.S. National Biological Service. |
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|a Bennetts, R.E. |u Florida Cooperative Fish and Wildlife Research Unit, University of Florida. |
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|a Everglades Digital Library: Reclaiming the Everglades. |
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|a dpSobek |c Everglades Digital Library: Reclaiming the Everglades |
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|u http://dpanther.fiu.edu/dpService/dpPurlService/purl/FI09051103/00001 |y Click here for full text |
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|a http://dpanther.fiu.edu/sobek/content/FI/09/05/11/03/00001/FI09051103thm.jpg |
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|a Everglades Digital Library: Reclaiming the Everglades |
