|
|
|
| Health assessment of eco-economic system of Hui County in Ganshu Province |
| Sun Zhongfeng<sup>1</sup>,Cai Jianqin<sup>1</sup>,Shang Zhen<sup>2</sup> |
| 1.China National Administration Center for Seabuckthorn Development,100038,Beijing;2.Bureau of Soil and Water Conversation of Gansu Province,730000,Lanzhou: China |
|
|
|
|
Abstract The healthy situation of a regional ecosystem is decided by multiple ingredients.Though evaluating the health of eco-economic system of Hui County,the decision will be supplied for eco-environment conservation plan.In this paper,the health degree was evaluated based on eco-system,socioeconomic system,human health and policy.Eco-environment,natural resource,socioeconomic system,and sustainability were chosen as the base of assessment system.The Eco-environment included coverage of forest,soil and water losses,index of water-environment, erosion modulus,depth of surface runoff and slope of farmland.Natural resource included water quantity per capita,farmland per capita,woodland per capita,net primary productivity(NPP),soil organic matter content,meadow area of animal unit.Socioeconomic system included population density,urbanization rate,gross national product per capita,income per capita,Engel coefficient.Human health and policy included energy of consumption per capita,water usage quantity per capita,scientific persons in per ten thousand person,occupation ratio of third industry,eco-environment promotion,eco-environment management,satisfaction degree of public to environment,input of eco-management,reach standard degree of industrial waste disposal,usage degree of industrial solid waste matter, disposal degree of industrial discharge gas and input of education.The author created 29 indicators for quantitative expression and assessed the health of ecological environment in three areas by method of AHP(Analytic Hierarchy Process) and entropy production.The results show that the eco-economic system of three areas in Hui County is in status of health or inferior health.Some problems are occurred in sustainability of Ⅰarea and Ⅱ area.
|
|
Received: 06 September 2007
|
|
|
|
|
|
|
