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Open AccessArticle

Edges and Overlaps in Northwest Atlantic Phylogeography

Odum School of Ecology, University of Georgia, Athens, GA 30602, USA
Department of Genetics, University of Georgia, Athens, GA 30602, USA
Department of Biology, City College of New York, New York, NY 10031, USA
Institute for the Study of Earth, Ocean, and Space, University of New Hampshire, Durham, NH 03824, USA
Author to whom correspondence should be addressed.
Diversity 2013, 5(2), 263-275;
Received: 1 January 2013 / Revised: 23 March 2013 / Accepted: 27 March 2013 / Published: 11 April 2013
(This article belongs to the Special Issue Biogeography and Biodiversity Conservation)
As marine environments change, the greatest ecological shifts—including resource usage and species interactions—are likely to take place in or near regions of biogeographic and phylogeographic transition. However, our understanding of where these transitional regions exist depends on the defining criteria. Here we evaluate phylogeographic transitions using a bootstrapping procedure that allows us to focus on either the strongest genetic transitions between a pair of contiguous populations, versus evaluation of transitions inclusive of the entire overlap between two intraspecific genetic lineages. We compiled data for the Atlantic coast of the United States, and evaluate taxa with short- and long-dispersing larval phases separately. Our results are largely concordant with previous biogeographic and phylogeographic analyses, indicating strong biotic change associated with the regions near Cape Cod, the Delmarva Peninsula, and eastern Florida. However, inclusive analysis of the entire range of sympatry for intraspecific lineages suggests that broad regions—the Mid-Atlantic Bight and eastern Florida–already harbor divergent intraspecific lineages, suggesting the potential for ecological evaluation of resource use between these lineages. This study establishes baseline information for tracking how such patterns change as predicted environmental changes take place. View Full-Text
Keywords: phylogeography; Atlantic; bootstrapping; marine phylogeography; Atlantic; bootstrapping; marine
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MDPI and ACS Style

Altman, S.; Robinson, J.D.; Pringle, J.M.; Byers, J.E.; Wares, J.P. Edges and Overlaps in Northwest Atlantic Phylogeography. Diversity 2013, 5, 263-275.

AMA Style

Altman S, Robinson JD, Pringle JM, Byers JE, Wares JP. Edges and Overlaps in Northwest Atlantic Phylogeography. Diversity. 2013; 5(2):263-275.

Chicago/Turabian Style

Altman, Safra; Robinson, John D.; Pringle, James M.; Byers, James E.; Wares, John P. 2013. "Edges and Overlaps in Northwest Atlantic Phylogeography" Diversity 5, no. 2: 263-275.

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