,直接表現(xiàn)為灌木林及其他林地面積增加;2010一2020年林地面積凈增加 <img src="/qkimages/ankx/ankx202507/ankx20250719-2-l.jpg" with="90px" style="vertical-align: middle;"> ,林地保護(hù)、退耕還林和造林綠化工程實(shí)施效果顯著,我國(guó)林地處于高質(zhì)量發(fā)展階段。全國(guó)林地面積動(dòng)態(tài)變化的空間分布特征明顯,內(nèi)蒙古高原東南緣和黃土高原北部的農(nóng)牧交錯(cuò)帶、中西部地區(qū)的造林效果突出,林地面積擴(kuò)展明顯;東北地區(qū)的大小興安嶺、長(zhǎng)白山林地增加也比較突出。京津冀、長(zhǎng)三角、珠三角以及部分大城市周邊地區(qū)城鄉(xiāng)工礦居民用地?cái)U(kuò)展侵占林地的現(xiàn)象也十分突出,且后期(2010—2020年)比前期(2000—2010年)更加明顯。2000年以來,林業(yè)生態(tài)工程的實(shí)施是引起我國(guó)中西部林地面積大幅度增長(zhǎng)的主要原因,而部分地區(qū)經(jīng)濟(jì)利益驅(qū)動(dòng)下的林地砍伐和城市擴(kuò)展侵占是導(dǎo)致局部地區(qū)林地減少的主要原因。-龍?jiān)雌诳W(wǎng)" />

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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)

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