Study On Ecosystem Health Indicators In Wenjiang

Urban is expression of human civilization progress, city's appearing marked human no longer need to connected with natural directly, representing human great power in transformation of nature. Urban is more than a economy, politics, traffic center, but also a system including frequent and complex flow of energy and physical. Now,with the processing of urbanization, people cannot live without urban,living standard and healthy of residents is highly connecting with urban, city also influencing by residents'living habits.at the same time.With such close relationship between city and residents,it's very necessary to evaluate city's ecosystem,With China's sustained developing of economic, improve living conditions for residents is on the table. Being one of the most important factor, urban health is highly valued by nation, in the "Twelfth Fiv-Year " it is proposed in the fifth chapter "Optimizing the pattern of promoting coordinated regional development and healthy development of urbanization.". Aiming at construction urbanization strategy in a reasonable pattern,construct a health city which is balanced in ecology and economy.Currently there has been some success in capital city on large-scale ecological health assessment, but yet in small towns. This research is focus in small towns, study ecological health in small towns. Research selected WEN JIANG as study region. This research will focus on building indicator system, choosing a better evaluate pattern and analyzing result. We has build a indicator system with three level index through consulting document, field investigating. After all we use AHP to analyzing data, and draw the following conclusion:(1) Evaluation results show that the ecological health point is 0.7382. It's along with the "2012 Chengdu Summary of Environmental Quality"(2) Results shows that social, economy and environment is in balance, the evaluation shows Wenjiang is in a good situation for residents and develop.(3) Study shows than environmental structure score lower than other cities, analysts believe that it originated from Wenjiang.(4) The economy in Wenjiang contains urban and country, research believe this fact caused higher unemployment rate and lower R&D.(5)The results also shows that investment in technology activities and environment protection are lower than the standard.(6)Based on the decreasing of protected farmland, tells that Wenjiang economy is transforming into urban economy. Apart from this we can figure out acreage of road is in a low level, it's shows Wenjiang is lack of scientific plan.