Abstract:

With the rapid development of economy，the conflict between landuse and ecology environment tends to be more and more intense.In this paper，environment quality of “Chongqing one hour economic circle” was given detailed evaluation in quantitative way with AHP and PSR in 2000 and 2006.Study results show that as a whole，some districts in the West Chongqing region such as Tongnan，Tongliang，Dazu，Bishan，Yongchuan and Rongchang were in a lower level of ecological environment，but the district of Fuling was in a high level.It shows that within two years，areas that were ranked as excellent and good accounted for 6256% and 6096% respectively.From 2000 to 2006，the overall quality of the ecological environment of the area was clearly declining，significant deterioration area ratio reached 3171%，and ratio of regional area converted into significant good was only 524%.The ratio of dropped ecological environment quality in research regional area reached 5972% and the region area of increased ecological environment quality was only 2702%.Regional changes in the quality of the ecological environment had obvious spatial difference.Most significant deterioration of regional distributed in the large parts of the capital city and the southwest of Chongqing where belongs to regional of ChengYu Traffic Route.

Key words: one hour economic circle region/PSR model/ AHP/ ecological environments effects