China is facing new challenges of urban expansion of scale and deterioration of the ecological environment. Urban forestry has a new role and position in Chinese forestry development. “Chinese Sustainable Development...China is facing new challenges of urban expansion of scale and deterioration of the ecological environment. Urban forestry has a new role and position in Chinese forestry development. “Chinese Sustainable Development Forestry Strategic Research” established the strategic objectives and policy measures on urban forestry, improved urban ecological environmentand pushed Chinese urban ecological processthrough building up green forestisland in urban central district, green forest zone in suburbs, forest system in remoter outskirts of cities.展开更多
We analyze Beijing Urban ecosystem quantitatively using the emergy theory founded by H.T.Odum, and revise the emergy indices, then we give some suggestions for Beijing to formulate the tactics of sustainable development.
文摘China is facing new challenges of urban expansion of scale and deterioration of the ecological environment. Urban forestry has a new role and position in Chinese forestry development. “Chinese Sustainable Development Forestry Strategic Research” established the strategic objectives and policy measures on urban forestry, improved urban ecological environmentand pushed Chinese urban ecological processthrough building up green forestisland in urban central district, green forest zone in suburbs, forest system in remoter outskirts of cities.
文摘We analyze Beijing Urban ecosystem quantitatively using the emergy theory founded by H.T.Odum, and revise the emergy indices, then we give some suggestions for Beijing to formulate the tactics of sustainable development.