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- W3089248118 abstract "ABSTRACT Approximately 100 years ago, unregulated harvest nearly eliminated white-tailed deer ( Odocoileus virginianus ) from eastern North America, which subsequently served to catalyze wildlife management as a national priority. An extensive stock-replenishment effort soon followed, with deer broadly translocated among states as a means of re-establishment. However, an unintended consequence was that natural patterns of gene flow became obscured and pre-translocation signatures of population structure were replaced. We applied cutting-edge molecular and biogeographic tools to disentangle genetic signatures of historical management from those reflecting spatially heterogeneous dispersal by evaluating 35,099 single nucleotide polymorphisms (SNPs) derived via reduced-representation genomic sequencing from 1,143 deer sampled state-wide in Arkansas. We then employed Simpson’s diversity index to summarize ancestry assignments and visualize spatial genetic transitions. Using sub-sampled transects across these transitions, we tested clinal patterns across loci against theoretical expectations of their response under scenarios of recolonization and restricted dispersal. Two salient results emerged: (A) Genetic signatures from historic translocations are demonstrably apparent; and (B) Geographic filters (major rivers; urban centers; highways) now act as inflection points for the distribution of this contemporary ancestry. These results yielded a state-wide assessment of contemporary population structure in deer as driven by historic translocations as well as ongoing processes. In addition, the analytical framework employed herein to effectively decipher extant/historic drivers of deer distribution in Arkansas are also applicable for other biodiversity elements with similarly complex demographic histories." @default.
- W3089248118 created "2020-10-01" @default.
- W3089248118 creator A5008042719 @default.
- W3089248118 creator A5015182100 @default.
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- W3089248118 creator A5018201634 @default.
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- W3089248118 creator A5063484668 @default.
- W3089248118 creator A5069604408 @default.
- W3089248118 creator A5079652380 @default.
- W3089248118 date "2020-09-22" @default.
- W3089248118 modified "2023-09-23" @default.
- W3089248118 title "Spatial population genetics in heavily managed species: Separating patterns of historical translocation from contemporary gene flow in white-tailed deer" @default.
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