The author first analyzes the process of ecological degradation in Karst regions, then trys to explore a possible model of ecological rehabilitation and eliminating poverty in such regions, with Daguan village,Luodian county, Guizhou Province as .

Then, by modeling the degradation process as a drift Brown Motion of which the first passage time follows inverse .

Study on the degrading process and vegetation succession of Medicago sativa grassland in North Loess Plateau,China;

Current research status and prospects of ecological degeneration and restoration at the juncture of Shanxi,Shaanxi and Inner Mongolia;

This paper summarized the basic circumstance of wetlands in the South Dongting Lake,and then analyzed ecological degeneration.

A massive and serious degeneration of ecology was created as a result of exploiting the sloping fields for a long time,and at the same time ,such a course of the ecological degeneration was expanded with the disappearance of the Great Wall s ecological function.

Analysis of spatial effects of artificial factors of ecological degradation in Tibet;

A probe into ecological degradation and restoration in loess hilly area of south Ningxia——Taking Pengyang country for example;

The paper investigates the soil erosion, the main forms of ecological degradation, in Eastern Mountain of Liaoning Province.

Natural factors and human disturbance are two main motive forces of eco-degradation.