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Embry-Riddle Aeronautical University

Clapper Rail

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Full-Text Articles in Life Sciences

Is The Lcp Superfund Site An Ecological Trap For Clapper Rails?, Karen F. Gaines, Jay W. Summers, James C. Cumbee Jr., Warren L. Stephens Jr., Gary L. Mills Jan 2011

Is The Lcp Superfund Site An Ecological Trap For Clapper Rails?, Karen F. Gaines, Jay W. Summers, James C. Cumbee Jr., Warren L. Stephens Jr., Gary L. Mills

Karen F. Gaines

Rallus longirostris (Clapper Rail) is considered a good indicator species for toxicants because of its strong site fidelity and predictable diet of benthic organisms. High levels of the rare PCB Aroclor 1268 have been found in Clapper Rail adults, chicks, and eggs from the marshes associated with the Linden Chemical Plant (LCP) in Brunswick, GA. Recently, sampling and testing feathers has successfully been used as a non-lethal tool to trace exposure and assimilation of Aroclor 1268 in rails from the LCP site. This approach allows us to infer how and when these birds are exposed to contaminants in the marsh ...


The Clapper Rail As An Indicator Species Of Estuarine Marsh Health, James N. Novak, Karen F. Gaines, James C. Cumbee Jr., Gary L. Mills, Alejandro Rodriguez-Navarro, Christopher S. Romanek Jan 2006

The Clapper Rail As An Indicator Species Of Estuarine Marsh Health, James N. Novak, Karen F. Gaines, James C. Cumbee Jr., Gary L. Mills, Alejandro Rodriguez-Navarro, Christopher S. Romanek

Karen F. Gaines

Clapper Rails (Rallus longirostris) can potentially serve as an indicator species of estuarinemarsh health because of their strong site fi delity and predictable diet consisting predominantly of benthic organisms. These feeding habits increase the likelihood of individuals accumulating signifi - cant amounts of contaminants associated with coastal sediments. Moreover, since Clapper Rails are threatened in most of their western range, additional study of the effects of potential toxins on these birds is essential to conservation programs for this species. Here we present techniques (DNA strand breakage, eggshell structure, and human-consumption risk) that can be used to quantify detrimental effects to Clapper ...