学科分类
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1 个结果
  • 简介:Accordingtodifferencesinvegetationtypesandtheircoverage,combiningthelatestresearch,usingtheoryandmethodonthevalueofvegetationecosystemservices,thispapernotonlycalculatedgoodsproducedbydifferenttypesofvegetationbutalsoestimatedthevalueofvariousvegetationecosystemservicesandsetupdatabase,GISandeco-accountofvegetationecosystem.Theresultwasasfollows:thevalueofvegetation''sprimaryproductivity,soilandfertilityconservation,waterconservation.CO2fixationandO2releasewas199.6billionyuan/a22.64billionyuan/a22.6billionyuan/a,352.24billionyuan/aand374.19billionyuan/a,respectively.Thetotalvalueofecosystemserviceswas968.33billionyuan/a.Thetemperatedeciduousbroad-leavedforesthadthehighestcontributionrate,accountingfor16.42%,Theresultofvaluecanreflectregionalrealitymoreexactly.

  • 标签: 植被生态系统 秦岭-大巴山地区 类型 数据库 GIS 初级生产力