Floodwater and debris flow caused by glacial lake burst is an important land process and a serious mountain disaster in glacial area of Xizang (Tibet) Autonomou
Efficiency and sustainability of grain production are now important in China.In this study,the grain pro duction systems of Jiangsu and Shaanxi Provinces were c
Intervening opportunity is an important factor in spatial interaction, and has very important impacts on tourist destination development in a region. There are
The dry-hot valley of the Jinsha River is one of the typical eco-fragile areas in Southwest China, as well as a focus ofrevegetation study in the upper and midd