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Mammalian invasion via the highway


, : Mammalian invasion via the highway. Jour Mammal 22(4): 383-386

Extension of range by pocket gophers (Thomomys) across a barren expanse of the Colorado Desert, between Holtville. Calif, and Yuma, Ariz., is recorded. In 1928 a cement road was completed across this section. Since then the workings of the gophers have been observed as extending into the desert beside the highway for 37 miles at the west end and 3 miles at the east end. The controlling factor is believed to be a moist soil condition and more plant growth along the edge of the pavement, due to rain runoff and delayed evaporation.

US$19.90

DOI: 10.2307/1374931


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