20391.南盤(pán)江流域云南段景觀(guān)格局動(dòng)態(tài)變化研究

1、扉頁(yè)：獨(dú)創(chuàng)性聲明本人聲明所呈交的論文是我個(gè)人在導(dǎo)師指導(dǎo)下進(jìn)行的研究工作及取得的研究成果。除了文中特別加以標(biāo)注和致謝的地方外，論文中不包含其他人或集體已經(jīng)發(fā)表或撰寫(xiě)過(guò)的研究成果，對(duì)本文的研究做出貢獻(xiàn)的集體和個(gè)人均已在論文中作了明確的說(shuō)明并表示了謝意。研究生簽名：蟊象巫：，墜日期：左!主!笸。之論文使用和授權(quán)說(shuō)明本人完全了解云南大學(xué)有關(guān)保留、使用學(xué)位論文的規(guī)定，即：學(xué)校有權(quán)保留并向國(guó)家有關(guān)部門(mén)或機(jī)構(gòu)送交學(xué)位論文和論文電子版；允許論文被查閱或

2、借閱；學(xué)?？梢怨颊撐牡娜炕虿糠謨?nèi)容，可以采用影印、縮印或其他復(fù)制手段保存論文。(保密的論文在解密后應(yīng)遵循此規(guī)定)研究生簽名：疆虹∑紜雌名：型蛐盜日期：冱f查：』：蘭：本人及導(dǎo)師同意將學(xué)位論文提交至清華大學(xué)“中國(guó)學(xué)術(shù)期刊(光盤(pán)版)電子雜志社”進(jìn)行電子和網(wǎng)絡(luò)出版，并編入CNKI系列數(shù)據(jù)庫(kù)，傳播本學(xué)位論文的全部或部分內(nèi)容，同意按《中國(guó)優(yōu)秀博碩士學(xué)位論文全文數(shù)據(jù)庫(kù)出版章程》規(guī)定享受相關(guān)權(quán)益。研究生簽名：導(dǎo)師簽名：——日期：AbstractI

3、nthisstudy，weused2010ALOSimagriesastoproducelandscapemapoftheNanpanjiangwatershedRiver(YunnanPart)byeCognition871，ThenpresentlandscapepaaemswereanalyzedbylandscapemetricsTemporallandscapechangeswerecomparedwithlandscapec

4、lassificationresultsof1990(LandsatTMdata)andof2000(LandsatETMdata)1andscapedynamicwererevealedfrom1990to2010Theresultsshowedthat：(1)TheNanpanjiangwatershedofYunnanParthasthetotalareaof4327652kmz，inwhichWasdividedinto17la

5、ndscapetypes，andhadthetotalpatchof21680，dependingon2010ALOSimageriesAccordingtopatchareaandpatchnumber，thebasinWasdominatedbywarmtemperateconiferousforests、warmtemperatescrub／scrubgrassland、rainfedcropland，whichcovered83

6、25％ofthetotalareaandcomposedoftheLandscapematrixinbasonTheShannondiversityindexandcontagionindexoftheselandscapetypeswerehigh，butthepatchdensityWaslow，whichindicatedthelowfragmentationTheconnectednessWashighandlandscapep

7、aaemswasmorecomplicatedthanothers(2)Atthelandscapelevel，thefragmentationoflandscapeWasreduced，spatialaggregationoflandscapewereintense，landscapetypesbecamemorediversebutmoreuniforminspaceLandscapepattemweredifferentbetwe

8、enclasslevelandlandscapelevelFrom1990to2000，theareaofshrubland，scrub—grassland，coniferousforest，dryland，andbroad—leavedforestwerestilldominanttypes，eventheybecamemorefragmentalPatchshapetendedtobecomplex，andpatchdistribu

9、tiontendedtobescatteredDuringthe20002010，farmlandfragmentationdegreeincreased，patchshapetendedtobecomplex，patchdistributiontendedtobescatteredFragmentationofshrubland，scrubgrassland，coniferousforest，broadleavedforest，man