2000一2020年中國(guó)林地變化時(shí)空特征及驅(qū)動(dòng)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
森林生態(tài)系統(tǒng)是最重要的陸地生態(tài)系統(tǒng)之一,在改善生態(tài)環(huán)境,固定碳儲(chǔ)量[1-3],維護(hù)生物多樣性,減緩水土流失,防風(fēng)固沙等生態(tài)安全格局保護(hù)中發(fā)揮著積極作用[4]。(剩余8619字)