Based on the remote sensing and geographic information system,the land use/cover change process of the northeast of Sanjiang Plain and its effect on the wetland vegetation degradation of Honghe Nature Reserve were analyzed.

Remote sensing estimation models of wetland vegetation LAI in Sanjiang Plain;

Interspecific relationships among the dominants of wetland vegetation in Shanxi section of Yellow River;

Interspecific relationship of dominant populations in the wetland vegetation of Sanggan River watershed,Shanxi;

Effects of over-grazing on vegetation degradation of Kobresia pygmaea meadow in Nagqu, Tibet;

Research on spatial pattern of human-induced vegetation degradation and restoration:a case study of Shaanxi Province

After study on vegetative structure and composition, propagule and soil of 25 vegetative ecosystems at three villages and one natural reserve in karst upland in Eastern Yunnan, we found that vegetation degradation was a gradual, anti-successional process in which species composition and propagule bank were determined by t.

The degraded vegetation around Tiantong contains five types of communities,such as earlier degraded community of EBLF,deciduous broad-leaved forest community,coniferous and broad-leaved mixed forest community,conifer forest community and shrub community.