The impact of reclamation activities on soil sulfur contents in the Sanjiang Plain;

Effects of reclamation on soil organic carbon in Haibei alpine meadow;

Effects of Cultivation on Soil Organic Carbon Dynamics in Agroecosystems;

Effects of Cultivation on Soil Properties at a Desert Site;

We aimed to detect the process that human activities exert on ecosystem by investigating and analyzing the changes of plant community,especially underground soil and root carbon sequestration under long term cultivation and grazing in typical steppe area of Nei Monggol,North China.

Tradeoff of conflict between wetland protection and farmland reclamation in the Sanjiang Plain,Heilongjiang Province;

The land reclamation and its influence on environment in West Liaohe Basin from 1902 to 1990;

Land reclamation at the end of Qing dynasty and beginning of Republic of China in the Mongolian area was always focused on by the foreign scholars, a great deal of fruits were gained during these long time.

In many anthropogenic factors, reclamation of rangeland and high-speed population growth are the important causes for it.

This paper reviewed the related domestic and abroad research achievements and details about how human activities such as grassland reclamation, over-grazing, excessive digging resulted in grassland desertification.