| Urban forest as a scientific concept is less than 50 years. The first use of Urban forest was in 1962, when the U.S. government investigated outdoor recreation resources. In 1965, Canadian scholar Erik Jorgensen first proposed the concept of urban forestry. Since then, because of the importance of urban forest in improving the city's environment, maintaining and conserving biological diversity, improving the quality of life, enhancing the city's comprehensive competitiveness, and promoting city's sustainable development etc., lots of countries attach great importance to urban forest construction. North America, Europe and few developing countries have launched a boom of construction and research of urban forest.China's urban forest construction is closely related to the reform and opening up which was occurred in the late 70s in last century. In 1984, Professor Gao Qing of Taiwan University published a book named Urban Forestry, from then on, China's scholars began to make out their own voice in urban forest construction field. Meanwhile, Shen Guofang, Wang Yiwen and other scholars introduced the concept of urban forest into Chinese mainland, from then on, a group experts and scholars in China began to study urban forest construction, they successively submitted a number of theoretical results with Chinese characteristics.In 1989, Changchun proposed construct forest city, this is the beginning of China's urban forest construction, is later than western countries over 20 years. However, under the strong leadership of all level committees of CPC and governments, urban forest construction progressed very quickly, results are also evident in China. To May 2009,14 cities were awarded National Forest City title, such as Guiyang, Shenyang, Changsha, Xuchang, Chengdu, Baotou, Lin'an, Guangzhou, Xinxiang, Aksu, Hangzhou, Weihai, Baoji and Wuxi. On the whole, urban forest in China is still a new phenomenon, the concept, scope, construction practices, etc. of urban forest construction, are also been exploring.In July 2008, Chongqing proposed construct Forest Chongqing, in 10 years,50 billionï¿¥will be invested to construct Chongqing into a modern eco-city. From September 2008 to the end of 2009, that is just more than one year, forest Chongqing construction had already made remarkable achievements, ecological, economic and social benefits are evident, meanwhile, the Chongqing model of urban forest construction has been formed, attracted extensive attentions at home and abroad.Under the guidance of the Scientific Concept of Development, this paper studied the political and economic background of Forest Chongqing construction, the importance of Forest Chongqing construction to Livable Chongqing, Unimpeded Chongqing, Security Chongqing and Health Chongqing construction, the relationship between Forest Chongqing and urban forest, the criteria for classifying urban forest construction models in our country, classification of domestic urban forest construction models, Chongqing model of urban forest construction and its elements, Chinese model of urban forest construction and its elements, the economic, ecological and social benefits of Forest Chongqing construction, problems in Chongqing model, and depth suggestions for improving Chongqing model, and so on.From this paper, the main conclusions come to as follows:(â… ) The background of Forest Chongqing construction is the Central Committee of CPC's series deployment to Chongqing's development after 2007.Forest Chongqing construction is in the basic position among Livable Chongqing, Unimpeded Chongqing, Security Chongqing and Health Chongqing construction.(â…¡) In essence, Forest Chongqing construction belongs to the urban forest construction areas, however, its scope is larger than other cities's urban forest construction, not only does it include the urban, but also include the vast rural areas. Therefore, Forest Chongqing construction expands the scope of urban forest, enriches the connotation of urban forest, and improves the practice of urban forest construction.(â…¢) We could use three standards classify urban forest construction models in our country.According to purposes, there are 4 models of urban forest construction in China, such as increasing city's quality model, improving city's ecological environment model, restoring city's ecological environment model, and developing forest industries model.According to the operation mechanisms, we could sum up 4 models of urban forest construction, such as Chengdu model, Hangzhou model, Chongqing model and Baoji model.According to the layout, there are 5 models of urban forest construction, such as radiation model, network model, regional model, random model, and compound model.(â…£) Through Forest Chongqing construction, there is creating a Chongqing model of urban forest construction, which is consisted by seven elements, such as strong leadership of all level committees of CPC and governments; looks urban forest construction as the important part of Chongqing's overall deployment; no discriminatory in urban forest and rural forest construction; plans large-scale projects as the basis of Forest Chongqing construction, and put large-scale capital into urban forest construction; not only attach importance to ecological construction, but also to economic development in Forest Chongqing construction; mobilizes all Chongqing people construct Forest Chongqing; actively attracts domestic and foreign capital, technology and human resources to support Forest Chongqing construction.(â…¤) Under the political system with Chinese characteristics, as a model of urban forest construction, Chongqing model is dominated by Chongqing CPC committee and its government. In essence, Chongqing model is a operating mechanism of urban forest construction. Chongqing model is consistent with Chongqing's conditions and the national conditions, and owns the characteristics of authority, efficiency, innovation and opening up, it is worthy of promoting in our country.(â…¥) According to our specific national conditions, the Chinese model of urban forest construction should be a Four Power model, which includes leadership power, decision-making power, execution power and support-security power.(â…¦) Forest Chongqing construction will create enormous ecological, economic and social benefits. To December 2009, Forest Chongqing's ecological value is 83.222 billionï¿¥.10 years later, the ecological value of Forest Chongqing will be 231.637 billionï¿¥, at that time, Forest Chongqing's direct economic value, that is, the value of timber accumulation will be 167.147 billionï¿¥.Forest Chongqing construction also plays an important role in other areas, such as promoting Chongqing's economy recovery rapidly after the Global Financial Crisis; increasing farmers'income, especially, those farmers which live in northeast Chongqing and southeast Chongqing, per household's income will be 10,000ï¿¥within three years; enhancing Chongqing's image; setting up a responsible image of Chinese government in the world; helping Chongqing goods break new green barriers; promoting Chongqing's ecological culture, and so on. (â…¦) According to problems in Chongqing model, this paper had put forward depth suggestions as follows:â… ) Should establish a improving mechanism for Forest Chongqing construction under the guidance of Chongqing CPC committee and its government.â…¡) Should establish a improving mechanism for Forest Chongqing construction under the guidance of market economy.â…¢) Should establish a improving mechanism for Forest Chongqing construction under the guidance of Chongqing's laws and rules.â…£) Should carry out quantitative research on ecological value, economic value and social value of Forest Chongqing construction.â…¤) Should strictly implement the relevant provisions of our country.â…¥) Should be more prominent Chongqing's features in plan of Forest Chongqing construction.
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