In agriculture and pasturage interlaced zone of northern Shaanxi Loess Plateau,food security is an prominent problem.

Effects of vegetation restoration on soil organic carbon and total nitrogen contents in the alpine agro-pastoral ecotone;

Land use pattern and technique characterized as eco-economic type in the ecotone between agriculture and animal husbandry of Bashang areas of Hebei Province;

Changes in land use of the ecotone between agriculture and animal husbandry in north China-a case study of Village Yaoledianzi in Inner Mongolia;

Zhenlai county in Jilin Province is taken as a typical area to explore the universal land use pattern under ecological security in ecotone between agriculture and animal husbandry in Northeastern China.