Determination of tropical deforestation rates and relatedcarbon losses from 1990 to 2010熱帶森林砍伐率及其相關(guān)的測(cè)定 碳損失從1990到2010

Determination of tropical deforestation rates and relatedcarbon losses from 1990 to 2010熱帶森林砍伐率及其相關(guān)的測(cè)定 碳損失從1990到2010

ID：40848930

大小：1.56 MB

頁(yè)數(shù)：15頁(yè)

時(shí)間：2019-08-08

Determination of tropical deforestation rates and relatedcarbon losses from 1990 to 2010熱帶森林砍伐率及其相關(guān)的測(cè)定 碳損失從1990到2010_第1頁(yè)
Determination of tropical deforestation rates and relatedcarbon losses from 1990 to 2010熱帶森林砍伐率及其相關(guān)的測(cè)定 碳損失從1990到2010_第2頁(yè)
Determination of tropical deforestation rates and relatedcarbon losses from 1990 to 2010熱帶森林砍伐率及其相關(guān)的測(cè)定 碳損失從1990到2010_第3頁(yè)
Determination of tropical deforestation rates and relatedcarbon losses from 1990 to 2010熱帶森林砍伐率及其相關(guān)的測(cè)定 碳損失從1990到2010_第4頁(yè)
Determination of tropical deforestation rates and relatedcarbon losses from 1990 to 2010熱帶森林砍伐率及其相關(guān)的測(cè)定 碳損失從1990到2010_第5頁(yè)
資源描述：

《Determination of tropical deforestation rates and relatedcarbon losses from 1990 to 2010熱帶森林砍伐率及其相關(guān)的測(cè)定 碳損失從1990到2010》由會(huì)員上傳分享，免費(fèi)在線(xiàn)閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫(kù)。

1、GlobalChangeBiologyGlobalChangeBiology(2014)20,2540–2554,doi:10.1111/gcb.12605Determinationoftropicaldeforestationratesandrelatedcarbonlossesfrom1990to20101111FREDERICACHARD,RENEBEUCHLE,PHILIPPEMAYAUX,HANS-JURGENSTIBIG€,1,2131CATHERINEBODART,ANDREA

2、SBRINK,SILVIACARBONI,BAUDOUINDESCLEE,3141,5FRANC?OISDONNAY,HUGHD.EVA,ANDREALUPI,RASTISLAVRASI,34ROMANSELIGERandDARIOSIMONETTI1InstituteforEnvironmentandSustainability,JointResearchCentreoftheEuropeanCommission,TP440,Ispra,VA21027,Italy,23FoodandAgri

3、cultureOrganisationoftheUnitedNations,Rome,Italy,JointResearchCentreoftheEuropeanCommission,45EngineeringSpA,Ispra,Italy,ArcadiaSIT,JointResearchCentreoftheEuropeanCommission,Ispra,Italy,NationalForestCentre,ForestResearchInstitute,Zvolen96092,SlovakR

4、epublicAbstractWeestimatechangesinforestcover(deforestationandforestregrowth)inthetropicsforthetwolastdecades(1990–2000and2000–2010)basedonasampleof4000unitsof10910kmsize.Forestcoverisinterpretedfromsatelliteimageryat30930mresolution.Forestcoverchange

5、sarethencombinedwithpan-tropicalbiomassmapstoesti-1matecarbonlosses.Weshowthattherewasagrosslossoftropicalforestsof8.0millionhayrinthe1990sand7.61millionhayrinthe2000s(0.49%annualrate),withnostatisticallysigni?cantdifference.Humidforestsaccountfor64

6、%ofthetotalforestcoverin2010and54%ofthenetforestlossduringsecondstudydecade.LossesofforestcoverandOtherWoodedLand(OWL)coverresultinestimatesofcarbonlosseswhicharesimilarfor1990sand2000sat11887MtCyr(range:646–1238)and880MtCyr(range:602–1237)respectiv

7、ely,withhumidregionscontributingtwo-thirds.Theestimatesofforestareachangeshavesmallstatisticalstandarderrorsduetolargesamplesize.Wealsoreduceuncertaintiesofpreviousestimatesofcarbonlossesandremovals.Ourestimatesofforestareachangearesigni?cantlyloweras

8、comparedtonationalsurveydata.Wereconcilerecentlowestimatesofcarbonemissionsfromtropicaldeforestationforearly2000sandshowthatcarbonlossratesdidnotchangebetweenthetwolastdecades.Carbonlossesfromdeforestationrepresentcirca10%ofCarbonemissionsfrom

當(dāng)前文檔最多預(yù)覽五頁(yè)，下載文檔查看全文

此文檔下載收益歸作者所有

當(dāng)前文檔最多預(yù)覽五頁(yè)，下載文檔查看全文
溫馨提示：
1. 部分包含數(shù)學(xué)公式或PPT動(dòng)畫(huà)的文件，查看預(yù)覽時(shí)可能會(huì)顯示錯(cuò)亂或異常，文件下載后無(wú)此問(wèn)題，請(qǐng)放心下載。
2. 本文檔由用戶(hù)上傳，版權(quán)歸屬用戶(hù)，天天文庫(kù)負(fù)責(zé)整理代發(fā)布。如果您對(duì)本文檔版權(quán)有爭(zhēng)議請(qǐng)及時(shí)聯(lián)系客服。
3. 下載前請(qǐng)仔細(xì)閱讀文檔內(nèi)容，確認(rèn)文檔內(nèi)容符合您的需求后進(jìn)行下載，若出現(xiàn)內(nèi)容與標(biāo)題不符可向本站投訴處理。
4. 下載文檔時(shí)可能由于網(wǎng)絡(luò)波動(dòng)等原因無(wú)法下載或下載錯(cuò)誤，付費(fèi)完成后未能成功下載的用戶(hù)請(qǐng)聯(lián)系客服處理。