forest improvement
2.Taking "The greening plan of Jiangning Fangshan Mountain Holiday Tourism Area" as an example, this paper put forward the plan ides of combining "the spot, the line, the surface and the body" together, and elaborated the corresponding ides and method about greening plan and design from the three aspects, forest physiognomy improvement, landscape plant plan of the road system and landscape plant plan of the scenic spot.
3.It not only promotes the big area fast bumper crop forest planter, the improvement ecological environment, promotes the countryside industrial structure adjustment, moreover becomes the prosperous common people to be popular business to additionally receive creates the effect the bridge and the link, has the good economic efficiency and the social efficiency.
6.Grass, bush and forest can raise the soil total nitrogen contents at the depth of 0-15 cm, 0-25 cm and 0-50 cm, rrespectively, indicating that soil nitrogen improvement depends on the vegetation types.
7.Environmental protection in the places embodying cultural, historical and natural relics will be promoted. Integrated planning and management of tourism will give priority to the development of ecological tourism and improvement of forest parks and scenic resorts.
8.The basic idea for the project, with the purpose of putting the ecological environment deterioration under control, conserving biodiversity and promoting sustainable socioeconomic development, is to subordinate the equivalence of economy and resources to the improvement of ecological environment and the need for water and soil conservation and water resources conservancy through practicing classified management of forest resources and readjusting the structure of forest resources.
9.The hydropower development in the Dadu River will be helpful for the improvement of the structure of power sources in Sichuan,ensure the safe stable operation of Sichuan power network,accelerate the construction of"natural forest protect project" and green ecological protective screen in the upper reaches of the Yangtze River,and promote the economic development and society stabilization in Sichuan minority areas.
10.Thanks to comprehensive urban environmental improvement and ecological construction, Benxi City in Liaoning Province has cleared up 21 "smoke dragons", 17 polluted springs and two mounds of industrial residue which were notorious sources of pollution. It has also constructed a round-the-city forest park with an area of 220 sq km.
