American Pikas in Western Oregon
Why? What can low-elevation populations contribute in the face of climate change threats? We have documented the widespread and common occurrence of pikas at low elevations and in anthropogenic habitats in the Western Cascades (Manning & Hagar 2011, Western North American Naturalist 71(1): 106-112). This situation does not appear to occur in other regions where pikas have been studied. The question ...
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Ultimate Goal This research is fundamental to determining the conservation value of these peripheral populations. If we discover that they are simply demographic sinks, then their contribution to the conservation of pikas in North America is minimal. Conversely, if we find that these pikas are not only reproducing but acting as a demographic source of emigrants in the larger metapopulation dynamic, we will h ...
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