二氧化碳升高对森林生态系统碳循环的影响.ppt

二氧化碳浓度升高对森林生态系统碳循环的影响CO2控制实验研究方法森林生态系统FACE实验简介CO2升高对森林生态系统碳循环的影响对地上部分碳循环的影响对地下部分碳循环的影响研究展望报告提纲一、CO2控制实验研究方法GrowthChambersGreenhousesOpen-topChambersTunnelsFACE(Free-AirCO2Enrichment)1980s1990s二、森林生态系统FACE实验简介Ainsworth&Long(2005).:351–372NamelocationecosystemElevated[CO2]FirstyearofexposureEndyearofexposureSitedescriptionreferenceWebsiteDukeForestFACEsiteOrangeCounty,NorthCarolina,USA(35o97'N,79o09'W)LoblollyPineforestambient+20019962010Hendreyetal.(1999),TN,USA(35°54′N,84°20′W)SweetgumPlantationambient+20019982009Norbyetal(2001),WI,USA(45°36′N,89°42′W)Aspenforestambient+al(2000),Italy(42°37′N,11°80′E)Poplarplantationambient+20019992008Migliettaetal.(2001)oface/TheSwissCanopyCraneProject~15kmsouthofBasel,Switzerland(47°28′N,7°30′E)Amatureforests5002001--SteevePepin&ChristianKörner(2002).(1999).:293-309DukeForestFACEsiteHendreyetal.(1999).:293-309