References

1. Holechek, J.L.; Gomez, H.; Molinar, F.; Galt, D. Grazing studies: What we've learned. Rangelands 1999, 21, 12 16.

2. Archer, S.; Smeins, F.E. Ecosystem Level Processes. In Grazing Management: An Ecological Perspective; Heitschmidt, R.K., Stuth, J.W., Eds.; Timber Press: Port land, Oregon, 1991; 109 139.

3. Blackburn, W.H.; Pierson, F.B.; Hanson, C.L.; Thurow, T.L.; Hanson, A.L. The spatial and temporal influences of vegetation on surface soil factors in semiarid rangelands. Transc. ASAE 1992, 35, 479 486.

4. Hudson, N. Soil Conservation; Cornell University Press: Ithaca, New York, 1981.

5. Thurow, T.; Blackburn, W.; Taylor, C.A., Jr. Hydrologic characteristics of vegetation types as affected by livestock grazing systems, Edwards Plateau, Texas. J. Range Manag. 1986, 39, 505 509.

6. Russell, J.R.; Betteridge, K.; Costall, D.A.; Mackay, A.D. Cattle treading effects on sediment loss and water infil tration. J. Range Mange. 2001, 54, 184 190.

7. Thurow, T.L. Hydrology and Erosion. In Grazing Man agement: An Ecological Perspective; Heitschmidt, R.K., Stuth, J.W., Eds.; Timber Press: Portland, 1991; 141 160.

8. Thurow, T.L.; Taylor, C.A., Jr. Viewpoint: The role of drought in range management. J. Range Manag. 1999, 52, 413 419.

9. Pellant, M.; Shaver, P.; Pyke, D.A.; Herrick, J.E. Interpret ing Indicators of Rangeland Health; U.S. Bureau of Land Management: Denver, Colorado, 2000. Publ. 1734 6.

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