Early Holocene glacial retreat isolated populations of river otters (Lontra canadensis) along the Alaskan coast
Abstract:Pleistocene climatic oscillations have resulted in high rates of speciation. Lesser known are speciation events related to recent glacial retreats. During the early Holocene many Alaskan coastal glaciers receded, exposing much of the Kodiak Island Archipelago (KOD), the Kenai Peninsula, and Prince William Sound (PWS). Using fecal DNA analyses on samples collected in KOD, PWS, Kenai Fjords National Park (KEFJ), Katmai National Park and Preserve (KATM), and Vancouver Island, British Columbia (BC), we found isolation by distance to be an important mechanism for the divergence of populations of river otters (
Keywords: Lontra canadensis; analyse de la variance moléculaire (AMOVA); analysis of molecular variance (AMOVA); bottleneck; goulot d’étranglement; isolation by distance; isolement par la distance; probability of identity; probabilité d’identité; structure
Document Type: Research Article
Affiliations: 1: Department of Zoology and Physiology, University of Wyoming, Laramie, WY 82071, USA. 2: Department of Biological Sciences, Simon Fraser University, Burnaby, BC V5A 1S6, Canada. 3: Division of Wildlife Conservation, Alaska Department of Fish and Game, Anchorage, AK 99518, USA.
Publication date: 2012-09-17
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