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2014 SRE Project

Living on the Edge: How Location within a Geographic Range Affects Genetics and Individual Fitness

Mentors:
Dr. Julia Earl
Dr. Sean Hoban

photo. When species are of conservation concern, populations at the edge of their geographic range are thought to decline before populations that are more centrally located. This is likely due to decreased genetic variability and/or lower habitat suitability leading to lower individual fitness in edge populations. In this project, populations from the center and edge of the ranges of various species will be compared using a meta-analysis. Meta-analysis is a statistical technique allowing researchers to combine the results of many different independent studies to come to a consensus and identify gaps in knowledge. Other variables will be included, such as evolutionary history, life history and habitat type.

photo.
Student participants, from left: Brittany Boribong, Biomathematics, University of Scranton; Michelle Cruz, Biotechnology, California State University, San Marcos; Fangyuan Hong, Mathematics/Environmental Studies, Mount Holyoke College

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Abstract of project report (PDF)

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NSF logo. NIMBioS is sponsored by the National Science Foundation through NSF Award #DBI-1300426, with additional support from The University of Tennessee, Knoxville. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.
 
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