| In this paper,First review the city's ecological environment for sustainable development research background,research progress at home and abroad,and the city's ecological environment on the sustainable development of research methods and content of the definition of the city's ecological environment,characteristics and ideas of sustainable development The establishment of urban ecological sustainable development is described in real terms.Quantitative evaluation of sustainable development is the current study on the sustainable development of the front and hot spots,when a country or region in which the natural ecological environment to maintain its sustainable economic and social development, its ecological environment is safe,the contrary not safe.Consumption as a result of any person must be provided by natural resources and services,so the Earth's ecosystems are affected,so measurement of human demand for natural ecosystems and the natural ecosystem can provide the gap between the load-bearing capacity is very important.Urbanization,the creation of mankind itself will indeed make a convenient and comfortable living conditions,to meet its own survival,pleasure and development needs,but the process of the formation and development of cities,the urban population increase has brought the issue of socio-economic and ecological environment,led to a strong urban environment by human interference,alteration and destruction,and human use of continuous transformation of nature,so that the absolute size of reduction of the natural environment and at the same time the rapid growth of population,resources shortage, aggravated by the unreasonable for the development and utilization of resources,led to the destruction of the ecological environment,inhibiting the green,animals and other organisms for survival and development,thus giving rise to urban ecological balance disorders,and the ecological environment is becoming increasingly acute. Leshan article combines the status of the city's ecological environment,to Leshan current ecological environment,socio-economic development and environmental quality in the state of the analysis of concrete,with emphasis on combining the actual situation in the city of Leshan,based on the "natural economy of a society of a composite the principle of eco-system ",the use of ecological footprint method, calculated the weight of the different indicators and the corresponding index value of the city's ecological environment and sustainable development capacity index,and the ecological environment of Leshan City, a sustainable development capacity analysis,the following conclusions:(1) Leshan sustainable development capacity of the ecological environment in the overall composite index showed an upward trend year after year,is gradually showing a social,economic and natural well-balanced development of the situation.(2) Leshan the sustainable development of the ecological environment have a favorable impact on the main factor is the economic environment and the natural environment.Sustained and rapid economic development,so that the gross domestic product and per capita GDP has rapidly increased,the development of tertiary industry to further promote the industrial structure based Leshan a virtuous circle of economic environment.Leshan comprehensive improvement to the environment and environmental protection investment in the continued strengthening of Leshan city so that the overall quality of the environment was more markedly improved,improved pollution control,urban ecological construction initial results,which promoted a favorable ecological environment Leshan sustainable development.(3) of Leshan City,the capacity of the ecological environment for sustainable development have a negative impact on the main factor is the social environment,the rapid development of urbanization, population density and an increase in the urban environment of the enormous pressure on urban infrastructure construction is lagging behind,industry Can consumption and there is a huge gap between the developed countries,high unemployment,urban poor water quality of major rivers to improve the obvious common Leshan hinders eco-environmental health,sustainable development an important factor.Generally speaking,Leshan City,the capacity of the ecological environment for sustainable development composite index showed an upward trend year after year,is gradually showing a social, economic and natural welt-balanced development of the trend,from the above analysis can be drawn the following conclusions: (1) of Leshan City,the sustainable development of the ecological environment have a favorable impact on the main factor is the economic environment and the natural environment.Sustained and rapid economic development,so that the gross domestic product and per capita GDP has rapidly increased,the development of tertiary industry to further promote the industrial structure based Leshan a virtuous circle of economic environment.Leshan comprehensive improvement to the environment and environmental protection investment in the continued strengthening of Leshan city so that the overall quality of the environment was more markedly improved,improved pollution control,urban ecological construction initial results,which promoted a favorable ecological environment Leshan sustainable development.(2) of Leshan City,the capacity of the ecological environment for sustainable development have a negative impact on the main factor is the social environment,the rapid development of urbanization, rapid economic development of the urban environment to increase the pressure caused by a huge, relatively fast development of urban cities infrastructure is lagging behind,thus further affecting the quality of life of the residents,these reasons million GDP and energy consumption is much higher than economically developed eastern coastal cities,the high unemployment rate,the main river channel was not obvious,such as improved water quality Leshan common that hinders the health of the ecological environment and sustainable development.(3) 2000-2005 Leshan in the sustainable development of eco-environment capacity has increased,but progress is not enough significant extent,continue to maintain a steady economic development and improve the capacity of urban environmental protection,but also the need to further adjust the industrial structure,improve coo-environmental quality,and vigorously develop circular economy,improve infrastructure,and guide the public to participate in environmental protection,promote the city's ecological environment full capacity for sustainable development and continuous improvement.(4) of Leshan City,the capacity of the ecological environment for sustainable development have a negative impact on the main factor is the social environment,the rapid development of urbanization, population density and an increase in the urban environment of the enormous pressure on urban infrastructure construction is lagging behind,industrial energy consumption and the disparities that exist between developed cotmtries,high unemployment,urban poor water quality of major rivers to improve the obvious common Leshan hinders eco-environmental health,sustainable development an important factor. Leshan through the analysis of the ecological state of the environment,put forward the city's ecological environment to enhance the capacity of sustainable development advice and recommendations to the full to the city's ecological environment for sustainable development and continuous improvement in the ability:to strengthen the building of the city's ecological environment and improve the quality of the urban environment;the city through science and education and implement strategies to accelerate the optimization and upgrading of industrial structure;the development of recycling economy and promote the coordinated development of ecological economy;emphasis on urban management,improve the urban infrastructure;to strengthen environmental education,and guide the public to participate...
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