[Download] "Yellow-Nosed Cotton Rat (Sigmodon Ochrognathus), A Long-Time Inhabitant of Trans-Pecos Texas and New Mexico (Report)" by Southwestern Naturalist # Book PDF Kindle ePub Free
eBook details
- Title: Yellow-Nosed Cotton Rat (Sigmodon Ochrognathus), A Long-Time Inhabitant of Trans-Pecos Texas and New Mexico (Report)
- Author : Southwestern Naturalist
- Release Date : January 01, 2011
- Genre: Life Sciences,Books,Science & Nature,
- Pages : * pages
- Size : 73 KB
Description
Davis and Dunford (1987) have made a case for the yellow-nosed cotton rat (Sigmodon ochrognathus) colonizing isolated highland patches of oak-pinonjuniper (Quercus-Pinus-Juniperus) woodland in Arizona and extreme southwestern New Mexico within the 50-year period preceding their study. To colonize these uplands, gaps in grasslands between suitable habitat must have been crossed. In a later paper, Davis et al. (1988) turned their attention to northern-affinity, forest-dwelling mammals in New Mexico that likely originally colonized highlands south of the southern-most Rocky Mountains during the Pleistocene. The modern presence-absence occurrences in 12 such mountains and montane complexes were consistent with the current distributions being a combination of local extirpation, vicariance, and post-Pleistocene colonization rather than as a result of vicariance and local extinctions alone.
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