11</sup> 個(gè)具有代表性的指標(biāo),利用土地生態(tài)脆弱性指數(shù)、熱點(diǎn)分析等方法對(duì)2020、2015、2020年3期土地生態(tài)脆弱性進(jìn)行綜合分析。結(jié)果表明:2010—2020年京津冀地區(qū)的中度脆弱及以上面積表現(xiàn)出先增后減的趨勢(shì),總體上呈現(xiàn)減少的態(tài)勢(shì)。2010、2015、2020年中度及以上脆弱面積占比分別為 56.87% 57.79%56.61%在空間上,研究區(qū)土地生態(tài)脆弱性呈現(xiàn)自東南向西北逐漸減小的分布特征;微度脆弱性主要集中在承德及太行山一帶,重度和極度脆弱區(qū)主要集中在濱海平原地區(qū)。研究區(qū)土地生態(tài)脆弱性整體上空間差異性顯著,生態(tài)保護(hù)措施需進(jìn)一步加強(qiáng),以期為京津冀土地生態(tài)保護(hù)制定提供理論依據(jù)。-龍?jiān)雌诳W(wǎng)" />

特黄三级爱爱视频|国产1区2区强奸|舌L子伦熟妇aV|日韩美腿激情一区|6月丁香综合久久|一级毛片免费试看|在线黄色电影免费|国产主播自拍一区|99精品热爱视频|亚洲黄色先锋一区

基于SRP模型的京津冀地區(qū)土地生態(tài)脆弱性評(píng)價(jià)

  • 打印
  • 收藏
收藏成功


打開文本圖片集

中圖分類號(hào)X82 文獻(xiàn)標(biāo)識(shí)碼A文章編號(hào) 0517-6611(2025)12-0041-05

doi:10.3969/j.issn.0517-6611.2025.12.011

開放科學(xué)(資源服務(wù))標(biāo)識(shí)碼(OSID):

Land Ecological Vulnerability Assessment in Beijing-Tianjin-Hebei Region Based on SRPModel

WANG Xin1 ,BAILong2(1.HebeiLnd Control Center,Shijiazhuang,HebeiO50o0;2.SchoolofGeographyScienceandEnvironent,hijiazhuang University,Shijiazhuang,Hebei 050034)

AbstractTakingBeijing-Tanjin-Hebeiregionsteresearchaea,withtheelpofSPmodelandGStechnologtispaperselects1 representatieidicatosdstetsofndolocalabilitdedotsotalsistductoesiali of thelandecolgicalvnerabilityin02,2015,2O2During20-2,thareaofmoderatelyvulnerableandaboveinteeigTianjin-ebeigioowdtrdoffisteasingdnceasigndoedtrendfeasinginerald 2020,the proportion of moderately and above vulnerable areas was 56.87% 57.79% and 56.61% ,respectively.Spatially,the land ecological vulnerabiltitesudyreapresentsadistrbutionpateof“hinsoutheastandinest.eslightvunabilitisinlyo centratedinChengdeandaihagMountains,andthesevereandextremelyvnerablereasaremailyonentratedinthecoastalplaiarea. Theoverallspaaldresofndolicaluabiltiesudeeiantolicalproteieasusdte furtherstrend,drtdeialsisfooulatiodoalroteiijo Key wordsLand ecological vulnerability;SRP model;Beijing-Tianjin-Hebei region

在當(dāng)今高速發(fā)展的背景下,土地資源的脆弱性問(wèn)題已成為可持續(xù)發(fā)展領(lǐng)域的重要議題[1-2]。(剩余7437字)

目錄
monitor