@article{JIN Zhao_23, author = {JIN Zhao,QI Yuchun,DONG Yunshe}, title = {Shrub Encroachment and Accompanied Changes of Biogeochemistry Cycles in Semiar id and Ar id Gr asslands}, publisher = {PROGRESS IN GEOGRAPHY}, year = {2007}, journal = {PROGRESS IN GEOGRAPHY}, volume = {26}, number = {4}, eid = {23}, pages = {23-32}, keywords = {

grassland ecosystem;shrub encroachment;fertile islands;biogeochemistry cycles;global climate change;semiarid and arid regions

}, doi = https://www.progressingeography.com/EN/10.11820/dlkxjz.2007.04.005 }