Genetic analysis of Washington State harbor seals (Phoca vitulina richardii) using microsatellites

Author:

Huber H.R.1,Dickerson B.R.1,Jeffries S.J.2,Lambourn D.M.2

Affiliation:

1. National Marine Mammal Laboratory (NMML), Alaska Fisheries Science Center, National Marine Fisheries Service (NMFS), National Oceanic and Atmospheric Administration (NOAA), 7600 Sand Point Way NE, Seattle, WA 98115, USA.

2. Marine Mammal Investigations, Washington Department of Fish and Wildlife, 7801 Phillips Road, Lakewood, WA 98498, USA.

Abstract

Washington harbor seals ( Phoca vitulina richardii (Gray, 1864)) are currently managed as two stocks: Washington Coastal Stock and Washington Inland Waters Stock. Previous analysis of mitochondrial DNA (mtDNA) in Washington harbor seals showed four geographically and genetically distinct populations. In this study of biparentally inherited nuclear DNA, we analyzed nine microsatellite loci on 482 samples of unweaned pups from nine locations in Washington State and the US–Canadian transboundary waters to determine if there were differences in gene flow between males and females. We found the same four genetically and geographically distinct populations as the analysis of maternally inherited mtDNA: Washington Coast, north Inland Waters, Hood Canal, and south Puget Sound. We recommend that the coastal stock remain as is, but the harbor seals in the Washington Inland Waters should be managed as three distinct populations rather than one.

Publisher

Canadian Science Publishing

Subject

Animal Science and Zoology,Ecology, Evolution, Behavior and Systematics

Reference33 articles.

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3. Bickham, J.W., and Patton, J.C. 1994. Variability in the control region sequence of the mitochondrial DNA of harbor seals (Phoca vitulina richardsi). Final report to National Marine Mammal Laboratory (NMML), Alaska Fisheries Science Center, Seattle, Wash.

4. Dispersal of Common seals (Phoca vitulina), tagged in the Wash, East Anglia

5. Boulva, J., and McLaren, I.A. 1979. Biology of the harbor seal,Phoca vitulina, in eastern Canada. Bull. Fish. Res. Board Can. No. 200, pp. 1–24.

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