Gene flow and pathogen transmission among bobcats (Lynx rufus) in a fragmented urban landscape

Molecular Ecology
Justin S LeeSue VandeWoude

Abstract

Urbanization can result in the fragmentation of once contiguous natural landscapes into a patchy habitat interspersed within a growing urban matrix. Animals living in fragmented landscapes often have reduced movement among habitat patches because of avoidance of intervening human development, which potentially leads to both reduced gene flow and pathogen transmission between patches. Mammalian carnivores with large home ranges, such as bobcats (Lynx rufus), may be particularly sensitive to habitat fragmentation. We performed genetic analyses on bobcats and their directly transmitted viral pathogen, feline immunodeficiency virus (FIV), to investigate the effects of urbanization on bobcat movement. We predicted that urban development, including major freeways, would limit bobcat movement and result in genetically structured host and pathogen populations. We analysed molecular markers from 106 bobcats and 19 FIV isolates from seropositive animals in urban southern California. Our findings indicate that reduced gene flow between two primary habitat patches has resulted in genetically distinct bobcat subpopulations separated by urban development including a major highway. However, the distribution of genetic diversity among FIV isol...Continue Reading

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Citations

Dec 8, 2015·Ecology and Evolution·Duane DiefenbachCassandra Miller-Butterworth
Dec 4, 2014·Evolutionary Applications·Eric Vander WalFanie Pelletier
Feb 11, 2015·Evolutionary Applications·Laurel E K SerieysRobert K Wayne
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Aug 28, 2021·Molecular Ecology Resources·Nicholas M Fountain-JonesGustavo Machado
Nov 6, 2021·Molecular Ecology Resources·Nicholas M Fountain-JonesFrédéric Austerlitz

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