2000一2020年中国林地变化时空特征及驱动力分析

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Spatiotemporal Characteristics and Driving Forces of Woodland Changes in China During 2000-2020
CHENG Peng,WUNan,ZHANG Liu(Anhui Provincial Academy of Eco-Environmental Science Research,Hefei,Anhui 230061) AbstractIntotetofliatehangfestdisnporatompontofeatioalologialuityateRaltde standingandmasteingitssatiotepoaldaccaractestaprodtisisfmproinglateoiosdge goalof“carbonpeakandcarbonneurlity”inChina.Thisarticleprovidesaompreensiveanalysisoftespatiotemporalprocsofforest landchangesinCinafrootsupporedbyintegatotecholIevals tehaacteristsofforstlandeagsd spatialpattemevolutioiCinaoverthepast2years,andbasedonthisaalysteainpolicyandcoomicdrivingfactostffect forestlanditribuoandareahangeshesultssowedthatfro2OtoOthesatiotemporalchangesoffrestlandinCinawere stable,with a net increase of in forest land area,directly manifested as an increase in shrub and other forest land areas;between 2010 and 2O2O,the net increase in forest land area was ,and the implementation of forest land protection,returning farmlandtoforests,ndforestatioandgreengprojetsadsigiiantectsCina’sforstlandisinageofigualitdeelo ment.Thespatialdistrbutioncharacteristicsofdynamicchangesofrestlandareaacrossthecoutryareobvious.hefmingpastorale tonenthesoutheastedgeoftheInerMongolianPlateauandtenorthoftheLosPlateundteaorestationefectintecralnd westenregionsareprominentndtforestlandreahasexpandedsignifcantlyteicreaseinforestandinteXing’anMoutainsad ChangbaiMountainsinortastCinaisalsouitepromientThephenomenonofurbanandruralindustrialandminingresidetiallandexpansionncroachingonforestlndislsoveryprominentinteBeijingTanjinHebei,YangtzeRiverDelta,PearlRiverDeltandeu roundingareasoflargecitiesandthelaterperiod(2010-20)ismoreobviousthantheearlierperiod(20-2010)Since200theimplementatiooffrestyologalegieinghasentheaieasofrtesigificantincraseinforestlandraincentralndweste China,whiledforestatoandubaexpsiocroaednbyoniiterestsineareasaretaasosfortductio of forest land in certain areas.
KeywordsChina;Woodland;Spatiotemporal characteristics;Driving forces
森林生态系统是最重要的陆地生态系统之一,在改善生态环境,固定碳储量[1-3],维护生物多样性,减缓水土流失,防风固沙等生态安全格局保护中发挥着积极作用[4]。(剩余8619字)