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Ayres E, Nkem JN, Wall DH, et al. Effects of Human Trampling on Populations of Soil Fauna in the McMurdo Dry Valleys, Antarctica. Conservation Biology. 2008;22(6):1544-1551. doi:10.1111/j.1523-1739.2008.01034.x.\par \par Barrett JE, Virginia RA, Wall DH, Parsons AN, Powers LE, Burkins MB. Variation in biogeochemistry and soil biodiversity across spatial scales in a polar desert. Ecology. 2004;85(11):3105-3118. doi:10.1890/03-0213.\par \par Powers LE, Ho M, Freckman DW, Virginia RA. Distribution, Community Structure, and Microhabitats of Soil Invertebrates along an Elevational Gradient in Taylor Valley. Alpine and Alpine Research. 1998;30(2):133-141.\par \par Powers LE, Freckman DW, Virginia RA. Effects of human disturbance on soil nematode populations in Taylor Valley, Antarctica. Bulletin of the Ecological Society of America Supplement. 1996;77(3):360.\par \par Powers LE, Freckman DW, Ho M, Virginia RA. McMurdo LTER: Soil properties associated with nematode distribution along an elevational transect in Taylor Valley, Antarctica. Antarctic Journal of the U.S. 1995;30(5):282-283.\par \par Ho M, Virginia RA, Powers LE, Freckman DW. Soil chemistry along a glacial chronosequence on Andrews Ridge, Taylor Valley. Antarctic Journal of the U.S. 1995;30(5):310-311.\par \par Powers LE, Freckman DW, Virginia RA. Spatial Distribution of Nematodes in Polar Desert Soils of Antarctica. Polar Biology. 1995;15(5):325-333.\par \par Powers LE, Freckman DW, Virginia RA. Depth distribution of soil nematodes in Taylor Valley, Antarctica. Antarctic Journal of the U.S. 1994;29(5):175-176.\par \par Powers LE, Freckman DW, Ho M, Virginia RA. McMurdo LTER:Soil and nematode distribution along an elevational gradient in Taylor Valley, Antarctica. Antarctic Journal of the U.S. 1994;29(5):228-229.\par \par Powers LE, Freckman DW, Virginia RA. Nematode biodiversity and community structure in Antarctic Polar Desert Soils. Bulletin of the Ecological Society of America. 1994;75:186.\par \par Freckman DW, Virginia RA, Powers LE. Nematode biodiversity and survival in Antarctic Dry Valley soils. In:  SCAR 6th Biology Symposium. SCAR 6th Biology Symposium. Venice, Italy; 1994.\par \par Powers LE, Freckman DW, Virginia RA. Survival of Scottnema lindsayae under extreme osmotic conditions. Society of Nematologists. 1994.\par \par }