城市生态安全评价方法研究_以北京市为例.pdfVIP

Chine e Journal of Ecology 2005, 24( 7) : 848~ 852 * ) ) ) 以北京市为例 * * 周文华 王如松 ( 中国科学院生态环境研究中心, 北京 100085) , , , , , , , , ( 1996~ 2002 ) , , , - - , X17 1. 1 A 1000- 4890( 2005) 07- 0848- 05 Methodology assessment of urban ecological security-A case study of Beijing. ZHOU Wenhua, WA NG Ru- ong ( Research Center f or Eco-Env ironmental Science, Chinese A cademy of Sciences, Beij ing 100085, Chi- na) . Chinese Jour nal of Ecology , 2005, 24( 7) : 848~ 852. Ecological ecurity i defined a the goal of takeholder to create a condition where the phy ical urrounding of a community provide for the need of it inhabitant w ithout dimini hing it natural tock. Recently, the tudy of ecological ecur ity i mainly on the national and regional lev el , and focu on land cape orientatio n compari on. T he tudy of urban ecological ecurity i little, but it i the ba i and core of national and regio nal ecological ecurity . T hi paper analyzed and refer enced the methodology of regio nal ecological ecurity a e - ment, taking Beij ing a an example. T he ecological ecurity ituation and trend at time cale ( 1996~ 2002) w ere analyzed, w ith ugge tio n on the manag ement of urban ecological ecurity . Key words urban ecological ecurity, a e ment, PSR model, Beijing. , 1 [ 3~ 5] [ 1, 2, 6, 8] , , , , ( , [ 9, 11]