Morelli, Toni Lyn; Smith, Adam B.; Kastely, Christina R.; Mastroserio, Ilaria; Moritz, Craig; Beissinger, Steven R.
We conducted detailed resurveys of a montane mammal, Urocitellus beldingi, to examine the effects of climate change on persistence along the trailing edge of its range. Of 74 California sites where U. beldingi were historically recorded (1902-1966), 42 per cent were extirpated, with no evidence for colonization of previously unoccupied sites. Increases in both precipitation and temperature predicted site extirpations, potentially owing to snowcover loss. Surprisingly, human land-use change...[Show more]
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