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1、Catena110(2013)1–7ContentslistsavailableatSciVerseScienceDirectCatenajournalhomepage:www.elsevier.com/locate/catenaSoilorganiccarbonstoragecapacitypositivelyrelatedtoforestsuccessionontheLoessPlateau,Chinaabaa,⁎,SandraSweeneycLeiDeng,Kai-BoWang,Mei-LingChen,Zhou-PingShangguanaStateKeyLaborat
2、oryofSoilErosionandDrylandFarmingontheLoessPlateau,NorthwestA&FUniversity,Yangling,Shaanxi712100,PRChinabStateKeyLaboratoryofLoessandQuaternaryGeology,InstituteofEarthEnvironment,ChineseAcademyofSciences,Xi'an710075,PRChinacInstituteofEnvironmentalSciences,UniversityoftheBosphorus,Istanbul,T
3、urkeyarticleinfoabstractArticlehistory:Land-usechangeresultingfromnaturalrestorationprobablyenhancesthecarbonsequestrationcapacityofReceived18March2013terrestrialecosystems.Toexplorethosefactorswhichfosterchangesinthesoilcarbonpoolinforestrestora-Receivedinrevisedform29May2013tion,astudycomp
4、aringsoilorganiccarbonatdifferentvegetationsuccessionstagesalonga150-yearAccepted11June2013chronosequencewasconductedintheZiwulingforestregionlocatedinthecentralpartoftheLoessPlateau,China.Itshowedthatinlong-term(~150yr)secondaryforestsuccessionthesoilorganiccarbonstorage(Cs),Keywords:soilor
5、ganiccarbon(SOC),totalnitrogen(TN),andC/NratioallincreasedrapidlyandtendedtobeattheirSecondaryforestsuccessionSoilorganiccarbonhighestatroughlythe50-yearrestorationmark.Fromthispointonwardthevaluesgraduallystabilizedindi-SoilcarbonstoragecatingthattheSOCandtheTNaccumulatedmainlyintheearlyres
6、torationstages.TheCswassignificantlyVegetationrestorationandpositivelycorrelatedwiththeSOC,theTN,andtheC/Nratio(Pb0.01).TheCsinthesoilwashigherLandusechangeintheupperratherthanthelowersoillayers.However,theincrementsoftheCsmainlychangedintheZiwulingforestregionlowersoillayers.Soilwaterstorage
7、wasnotthekeyfactorinfluencingtheCs.TheresultssuggestedthatchangestotheCsweretheresultoftheaccumulationoftheSOCandtheTNduringforestsuccessionandthiscapacityhasshowntobepositivelyrelatedtoforestsuccessionontheLoessPlateau,China.CrownCopyright©2013Publ