A weighted difference barrier method in landscape genetics |
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| Authors: | Lan Mu John Radke |
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| Institution: | (1) Department of Geography, University of Georgia, Athens, GA 30602, USA;(2) Departments of Landscape Architecture and Environmental Planning, City and Regional Planning, University of California at Berkeley, 202 Wurster Hall, Berkeley, CA, 94720-2000, USA |
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| Abstract: | Identifying barriers of species and characterize their effects on spatial distribution provide essential information to research
in landscape genetics. We propose a weighted difference barrier (WDB) method as an alternative to maximum difference barriers
(MDB), and to initiate and integrate more spatial modeling and methods into the problem solving process. Overall, WDB provides
quick and straightforward improvements to the drawbacks of MDB. WDB integrates more sample location relationships into the
barrier construction and reveals potential barriers that would otherwise go undetected. WDB incorporates both within group
and between group genetic information, and delineates the barriers as a more complex pattern.
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| Keywords: | Barrier Weighted Voronoi Genetic distance Spatial analysis Landscape genetics |
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