The Study of Competition and Cooperation of the Famous Brand Ecosystem;

The paper makes a system analysis to the constitutes and the characteristics of the famous brand ecosystem members.

Based on clarifying of land ecological security and taking Hebei Province as the case, this article discusses the methods of security evaluations of land ecology.

Problems in China's land ecology security in China involve soil erosion, soil pollution, soil desertification, salinization, alkalin-ization, soil depauperization, etc.

Considering the illegibility and uncertainty character of the security evaluation of land ecology,the paper synthetically makes use of entropy and matter-element theory to establish ecological security of land index system and to macroscopically judge the ecological security degree of land of Heilongjing province during 20002006.

Qinghai’s special ecological status,with Qilian Mountains, Qaidam Basin, Huangshui Basin, is related to national political stability and social development.

This paper discusses those shrub forests peculiar biological functions and ecological status and puts forward the countermeasures for protecting the shrub forests in Qinghai Province.

Discussion on papermaking wastewater treatment with reed ecological wetland system;

The ecological wetland,a kind of new-type sewage disposal system,is paid attention by people day by day.

On the basis of reducing the pollutant load and improving the ecological environment,the construction locations of the ecological wetland system and the natural geological conditions were analyzed in detail.