常熟市土地利用变化对生态服务价值的影响

165200910ResearchofSoilandWaterConservationVol.16,No.5Oct.,20093,,(,210093):,199120012006LandsatTM,,,1991-2001,,,,;2001-2006,,,,,,,,:;;;:F301.24:A:100523409(2009)0520093205EffectsofLandUseChangeonEcologicalServiceValueinChangshuCityCHENShu,JUWei2min,LIXian2feng(InternationalInstituteforEarthSystemScience,NanjingUniversity,Nanjing210093,China)Abstract:LandusetypeswereclassifiedthroughthecombinationofcomputerautomaticclassificationandmanualinterpretationbasedontheLandsatTMimagesacquiredin1991,2001,and2006.Informationoflandusetypeswasacquiredandthenecologicalservicevaluewasestimated.TheresultsshowedthatthelanduseinChangshuchangedconsiderablyduringtheperiodfrom1991to2006.Townandconstructionlandincreasedintensively,wetlandandforestincreasedalittle,whilecroplanddecreasedevidently.Theecologicalservicevaluedeclinedalittle.Duringtheperiodof2001and2006,thetownandconstructionlandwasfurtherexpanded,wetlandareaincreasednotably,whilecroplandandforestdecreasedalot.An2alyzingtheeffectsoflandusechangeonecologicalservicevaluecanprovidesupportforscientificandrea2sonablelanduse,keepthebalanceofecosystem,aswellasthesustainabledevelopmentofpopulation,re2sourcesandenvironmentwhilemakingdecisions.Coefficientofsensitivityanalysisshowedthattheecolog2icalservicevaluewasnotsensitivetothechangeofecologicalservicevaluecoefficient.Sotheresultwascredible.Keywords:remotesensingimageclassification;landuse;ecologicalservicevalue;wetland(EcosystemService):;,[1],,,,3:2009204202:(2006BAJ10B03):(1984-),,,GISE2mail:[e-mail]2070,,1997Costanza[2],,[3]2090,,,[4],3:,;,,,,,,,[4]Costanza,,200,,[3],,[5211]11.1,,,1302km2(),,12033-12103,3133-3150,,100km,,,,,,,,,,,,,,,,1986,,1.23LandsatTM,199172320017262006918,119/38,1991200128.5m,200630m200120061.3LandsatTM,GIS,3,,30mTM5,4,3TM5,,TM4,,,TM3,,,,,1.49,Costanza17,,,,4916,[3]ESV=(AkVCk)(1):ESV();Akk(hm2);VCkk,,k[/(hm2a)]1.5ESVVC(CoefficientofSensitivity,CS)ESVESVCSVC1%ESV,CS1,ESVVC;CS1,ESVVC,VCESV[10]50%CS,ESVVC:CS=|(ESVj-ESVi)/ESVi(VCjk-VCik)/VCik|(2):ESV;VC,ij;k;CS22.1,,(7),(1)1991-2001,,19917221.4hm2200118136.6hm2,151.2%;,199191209.8hm2200178358.3hm2,14.1%;,2001-20065a,,65.8hm2,(),200116777.9hm2200637153.9hm2,121.4%;,,30.3%33.7%,1hm2/hm21991200120061991-2001/hm2/%2001-2006/hm2/%14245.514245.514316.00.00.00.70.515910.416777.937153.98.75.5203.8121.47221.418136.624718.7109.2151.265.836.31980.93306.72305.513.366.9-10.0-30.391209.878358.551948.3-128.5-14.1-264.1-33.711991200120062.2(2)[3],92/hm23097.0442.41592.70.02389.1787.515130.9407.02831.5530.913715.218033.23450.91291.91513.18.81159.21451.216086.616086.62884.6628.22212.22203.388.5884.9265.588.52300.688.561.98.81132.68.84910.93840.2(3),1991-2001,,,595:,,,0.052001-2006,,,,9.54319915.798.830.385.5820.5820015.799.310.644.7920.5320065.8220.620.453.1830.071991-20010.000.480.26-0.79-0.052001-20060.0311.31-0.19-1.619.54,,,1999,[12],,,,[12],,,,,2.350%,(4),ESVVC1,,,0.40.7,VC1%,ESV0.4%0.7%;,00.1;0.10.3,,,4/(hm-2a-1)/199120012006199120012006VC+50%23.4823.4332.980.28180.28250.1935VC-50%17.6917.6427.160.28090.28150.1935VC+50%24.9925.1840.370.42860.4530.6851VC-50%16.1715.8819.760.42860.4530.6857VC+50%20.7720.8530.290.01850.03120.0146VC-50%20.3920.2119.850.01850.03120.0146VC+50%23.3722.9331.650.27110.23380.1051VC-50%17.7918.1428.480.27110.23280.10583,1991-2006,1991,20.58,20010.05,2006,,30.07,2001,46.5%,9.54,,,ESVVC,,,,,,,,,,(1),,,,,;,,;,,,,6916,[13],,,,(2),,,,,,,,,,,,,[14],,,,,,Costanza,,,,,,,:[1]CostanzaR,ArgeR,GrootR,etal.Thevalueoftheworldsecosystemservicesandnaturalcapital[J].Na2ture,1997,386:2532260.[2],,,.--/[J].,2007,27(1):76280.[3],,,.[J].,2003,18(2):1892196.[4],,.:[J].,2006,15(2):68272.[5],,,.[J].,2002,17(6):7062712.[6],,,.[J].,2001,23(4):3602366.[7],,.[J].,2004,19(1):55261.[8],,,.:[J].,2007,16(6):2282428.[9],,,.[J].,2004,20(6):1042108.[10],,,.:[J].,2006,15(2):1862189.[11],.:[J].:,2007,22(5):5272532.[12],,,.[J].,2003,19(3):38241.[13],,,.[J].,2006(6):4292431.[14].[J].:,1997,20(4):78283.(92):[1].[D].:,2007.[2],,.:[J].,2008,24(2):22226.[3],.[M].,.:,1985.[4],,.[J].,1999,9(3):48252.[5],.:()[J].,2003,22(2):1362143.[6],,,.:[J].,2008,3(1):55258.795: