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©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(,,100085)333:ShaohuiLiu,DepartmentofBiology,WestVirginiaUnivesity.USA.,100871:1995209204,:1996205220CO2,,,pH,,,,,Q101157:,Q10,,EFFECTFACTORSOFSOILRESPIRATIONANDTHETEMPERATURE’SEFFECTSONSOILRESPIRATIONINTHEGLOBALSCALELiuShaohuiFangJingyun(ResearchCenterforEco2environmentalSciences,ChineseAcademyofSciences,Beijing,100085,China)AbstractSoilrespiration,mainlyproducedbysoilmicroorganismandplantroots,istheCO2evolutionprocessfromsoils.Asacomplicateecologicalprocess,soilrespirationisaf2fectednotonlybybiologicalfactors(vegetationandmicroorganism,etc.)butalsobyenvi2ronmentalfactors(temperature,moistureandpH,etc.).Withtheincreasinghumaneim2pacts,itisinfluencedmoreandmorestronglybyman2madefactors.Basedonpreviousre2search,maineffectfactorsofsoilrespirationandtheirinterrelationshipswerediscussed.Therelationshipsofsoilrespirationtolatitudeandtomeanannualtemperaturewereana2lyzedinthehumidregionsofforestvegetation,andQ10valuewasobtainedas1157intheglobalscale.Keywords:effectfactors,Q10value,soilrespiration,variation,inlatitude.CO2,,,©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[14].,CO2,19,CO2O2[5]19,[611],60,,,,,,CO2,(113941018gC[12]),CO2,(6841015gCöa[13])(5121015gC[14]),CO2,,CO2,,,1CO2,,,,,,1,1Fig.1Effectfactorsofsoilrespiration111,CO2CO2,CO2,,(1ö3,60%[1520]),,[21].,pH,2,,[22,23],,,07417©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[24]Fig.2Therelationshipbetweensoilrespirationandlitter2fall[24]112,;,(1)[4,15,19,21,2532],[18,33]113CO2Macfadyen[34]Koizumi[35]CO2,HarrisandBavel[36,37]Qi[38]CO2,CO2,114(),,,[39,40],CO2,,CO2,,,,,[41],CO20141161015gCöa[14],[42][4345][46][47]pH[48]2,2,,Schlesinger[49]Raichetal.[13],,(405655gCöm2õa);(8906100gCöm2õa),2113,,:y=1586e-010237x(R2=0147)(1),y,x3,,,,,;,,,,,,,212,,,Q101745:©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=710687+011329T-0100197T2R2=0166T10cmWhereTissoiltemperatureat10cmdepth28TheUniversityofMissouriPrairieStation,CallawayCountry,MO,U.S.ATallgrassprairielnCO2=-1166+2120ln(T+10),R2=0189TWhereTissoiltemperature15WesternMaine,U.S.ADeciduousandconiferforestCO2=011301+010064T,R2=0128TWhereTisairtemperature45SouthernEnglandHeathlandlnCO2=010841T-210745,R2=018232T3cmWhereTissoiltemperatureat3cm20AlaskaTundraCO2=89178+1154T+5T2TWhereTismeandailysoiltemperature29Mt.TakaoinFuchu2cho,westJapan(3424N,13231W)RedpineforestCO2=147exp(01097T0)T0WhereT0issoilsurfacetemperature27CdarCreekNaturalHistoryArea,AnokaCo.,Minn.,USATemperateforestlnCO2=C+B1T+B2MIC,B1,B2,MIWhereC,B1,B2arecoefficient,MIisindexofmoisture4BleanWoodsNationalNa2tureReserve,north2eastKent,U.K.Temperate,deciduousWoodlandCastaneasite:logCO2=119752+010425T25BleanWordsFagussite:logCO2=119848+010400TTWhereTissoiltemperatureAiken,SC,USAPineforestCO2=01715+01210Ta+01285P31+01083P74P313,P7474d,TaWhereP31istheprecipitationof3daysbeforeexperiment,P74istheprecipitationof74daysbeforeexperiment,Taisambientairtem2perature21EasternTennesseeMixeddeciduousForestCO2=01044432T2TWhereTistemperatureoflitterfall19Note:Mostcoefficientsincitedfunctionsaresubstitutedbynumbers.27417©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[50],,500m,:y=-010064x2-010848x+281231(R2=0190)(2),y(),x()21212(2),3,4(2)75,75,,:y=349166e010449x(R3=0147)(3),y,x4Fig.4Therelationshipbetweensoilrespirationandmeanannualtemperature(3),Q10=1157Q10Q10,,,,,,3311,,3745:©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[51][52],,CO2,,[53,54],,,,,,313,,,1,,,[13,24],,,,4,,,,,,,,CO25Fig.5Thelatitudinnaldistributionofpartsofsoilrespirationpsresearchspots314CO2,,:(1),,,,(2),,,5,(3),(4),,,,,CO2,1AndersonJOandDomschKH.Measurementofbacterialandfungalcontributionstorespirationofselectedagricul2turalandforestsoils.Can.J.Microbio,1975,21:3143222MacfadyenA.Simplemethodsformeasuringandmaintainingtheproportionofcarbondioxideinair,foruseineco2logicalstudiesofsoilrespiration.SoilBio.Biochem,1970,2:9183NeilsonJWandPepperIL.Soilrespirationasanindexofsoilaeration.SoilSci.Soc.AMJ,1990,54:4284324ReinersWA.CarbondioxideevolutionfromthefloorofthreeMinnesotaforests.Ecology,1968,49:4748347417©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(Magnusson,1992),18046AlbertR.BodenuntersuchungenimGebietederLuneburgerHeide.ZeitschriftfurForst2andJagdwesen1912,44:6556717ClementsF.E.AerationandAir2Contents.Publication315.CarnegieInstitutionofWashington.DC.(Magnus2son.1992),19218EbermayerE.UNtersuchungenuberdieB