Microbial diversity and activity of disturbed soil in the northern Chihuahuan Desert
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Authors: X. Y. Liu, W. C. Lindermann, W. G. Whitford, and R. L. Steiner
Date: 2000
Journal: Biology and Fertility of Soils
Volume: 32
Number: 3
Pages: 243-249
Summary of Methods: Liu et al. examined the effect of an intensive grazing system on the diversity of below ground microorganisms in the Chihuahuan Desert. The authors set up a severe grazing situation to simulate an overgrazed pasture in a sparse grassland. Their results showed that even at such an intense grazing pressure, cattle had no influence on the diversity and abundance of soil microorganisms. Factors such as summer drought and summer fire had the highest negative effect on the microorganisms.
Article Summary / Main Points: None
Vegetation Types:
MLRA Ecoregions:
Agrovoc Control Words: Riparian zones Rangelands Wildlife
Article Review Type: Refereed
Article Type: Experimental Research
Keywords: microorganisms, diversity, activity, grazing, stress
Annotation: Grazing exclosures were set up to remove 65-80% of available forage.
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