大庆湿地的主要类型及其污染物降解功能价值估算杨丹

WETLANDSCIENCE&MANAGEMENTVol.7No.3Sept.2011YANGDanZHANGSi-ChongGONGXiao-LeiLILi-NaWANGMing-Ming(GeographicResourcesandEnvironmentalRemoteSensingLaboratory,HarbinNormalUniversity,Harbin150080)2004LANDSATTMGIS17.900.01717.92AbstractThemainwetlandtypesandtheirdistributioninDaqingwerecharacterizedwiththedatafrominterpretationofLANDSATTMremotesensingimagesandthedatafromfieldsurveyin2004,usingGeographicInformationSystem(GIS).ThesubstitutionmethodwasadoptedtoestimatethevaluesofdegradingpollutantsofthewetlandsinDaqing.Resultsshowedthat,thefunctionofpollutantsdegradationismostevidentwithnaturalwetlands,followedbypaddyfieldsinartificialwetlands.ThevalueofpollutiondegradationinnaturalwetlandwasestimatedtobeRMB17.90billion,andthatinpaddyfieldswasRMB0.0017billion.ThetotalvalueofpollutantsdegradationinwetlandsinDaqingwasRMB17.92billion.KeywordsDaqing,Wetland,Pollutiondegradation,Substitutionmethod,EstimatedvalueDOI:10.3969/j.issn.1673-3290.2011.03.03MainWetlandTypesinDaqingandEstimationofTheirValuesofDegradingPollutants201197321WETLANDSCIENCE&MANAGEMENTVol.7No.3Sept.2011EwelKC.1997.waterqualityimprovementbywetlandsDailyGC.NaturesserviceSocietalDependenceonNocturalEcosystems.Washington.D.C.:Islandpress.329-345