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Burrowing Ecology of Pocket Gophers (Rodentia: Geomyidae) in Jalisco, Mexico

Heather R. Roberts, Kenneth T. Wilkins, Jorge Flores and Alberto Thompson-Gorozpe
The Southwestern Naturalist
Vol. 42, No. 3 (Sep., 1997), pp. 323-327
Stable URL: http://www.jstor.org/stable/30055283
Page Count: 5
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Burrowing Ecology of Pocket Gophers (Rodentia: Geomyidae) in Jalisco, Mexico
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Abstract

Pocket gophers (family Geomyidae) are fossorial rodents that excavate extensive underground tunnel systems in which they spend the majority of their lives. We excavated 14 burrow systems of three species during three field seasons (1993-1995) and measured specific variables that characterize each burrow system. Burrows of Cratogeomys gymnurus and C. tylorhinus were similar to one another and differed significantly in depth and diameter from those of Pappogeomys bulleri. In addition, a spiraling tunnel was excavated in a burrow system of C. tylorhinus. /// Las tuzas (familia Geomyidae) son roedores fosoriales que excavan extensos sistemas de tfineles subterraineos donde pasan la mayor parte de sus vidas. Excavamos 14 sistemas de tufneles correspondientes a tres especies durante tres temporadas de campafia (1993-1995) y medimos variables especificas tales que caracterizan a cada sistema de tfineles. Las cuevas de Cratogeomys gymnurus y de C. tylorhinus fueron similares y se distinguieron significativamente en profundidad y dismetro de aquellas de Pappogeomys bulleri. Ademais, un tiinel en espiral fue excavado en un sistema de C. tylorhinus.

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