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The Origin and Affinity of the Biota of the Kodiak Island Group, Alaska

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Title:The Origin and Affinity of the Biota of the Kodiak Island Group, Alaska
Authors:Vincent, Robert E.
Date Issued:Apr 1964
Publisher:University of Hawai'i Press
Citation:Vincent RE. 1964. The origin and affinity of the biota of the Kodiak Island group, Alaska. Pac Sci 18(2): 119-125.
Abstract:Kodiak Island occupies an important biogeographical
position. Situated along the northwestern
border of the Gulf of Alaska, this island
and its neighboring lesser islands have biogeographic
relationships that radiate in three directions:
westward along the Aleutian Islands,
northward toward interior Alaska, and southeastward
toward the temperate Pacific Coastal and
Rocky Mountain regions of North America. The
Aleutian and Bering Strait migration routes tend
to funnel through this strategic area. Furthermore,
the Island Group was probably severely
glaciated during at least the later part of the
Pleistocene. Karlstrom (1%0) found geological
evidence of a small late Pleistocene refuge on
southwestern Kodiak Island. Nearly all subsequent
biota, besides that which may have persisted
on the refuge or on nunataks, would have
had to originate as reinvaders from adjacent
land or sea areas. A third peculiar feature in
addition to location and glacial history is the
possible significance of major habitat change
caused by an encroaching timber line across the
northeastern part of Kodiak Island.
Appears in Collections: Pacific Science Volume 18, Number 2, 1964

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