5Huete A,Miura T,Gao X.Land cover conversion and degradation analyses through coupled soil-plantbiophysical parameters derived from hyperspectral EO-1 Hyperion[C].2002 IEEE International Geoscience and Remote Sensing Symposium (IGARSS2002), and 24th Canadi
6Mario G,Manzano,Jose H,et al.Processes of desertification by goats overgrazing in the Tamaulipan thornscrub (matorral) in north-eastern Mexico[J].Journal of Arid Environments,2000,(44): 1417.
7Sullivan S, Rohde R.Onnon-equilibrium in arid and semi-arid grazing systems[J].Journal of Biogeography,2002,(29):1595-1618.
8Thomas J, Valone, Daniel J,et al.Mesquite establishment in arid grasslands:an experimental investigation of the role of kangaroo rats[J]. Journal of Arid Environments, 2001,48(3):281-288.
9Li S G, Kawa T O. Grassland desertification by grazing and the resulting micrometeorological changes in Inner Mongolia[J]. 2000,(102):125-137.
10Sullivan S, Rohde R.On non-equilibrium in arid and semi-arid grazing systems[J].Journal of Biogeography,2002,29(12):1595-1618.