干旱半干旱地区草原灌丛荒漠化及其生物地球化学循环

金钊,齐玉春,董云社

Shrub Encroachment and Accompanied Changes of Biogeochemistry Cycles in Semiar id and Ar id Gr asslands

JIN Zhao,QI Yuchun,DONG Yunshe

地理科学进展 . 2006, (5): 23 -32 . DOI: 10.11820/dlkxjz.2006.05.006