A pristine montane rain forest was recently discovered from Mengsong of Xishuangbanna in the southern Yunnan.It attracts botanists that many primitive plant tax
With the rapid development of agricultural informalization in the world, the demand of agricultural information has been a focus in the international agricultur
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