簡介：東北林業(yè)大學碩士學位論文天橋嶺生態(tài)林業(yè)示范區(qū)建設可行性的研究姓名姚世家申請學位級別碩士專業(yè)森林工程指導教師王立海柏廣新20021201ABSTRACTECOLOGICFORESTRYCONSTRUCTIONGIVESUSALLEFFECTIVEWAYTOGETOUTTHECIRCUMSTANCEOFFORESTRESOURCEDECREASINGANDFORESTRYECONOMYCRISISTHEPAPERELABORATEDTHEGENERALAIMANDTHEGENERALTASKOFTHEECOLOGICALFORESTRYCONSTRUCTIONOFTIANQIAOLINGBYANALYZINGTHENATURALENVIRONMENT，THEFORESTRESOURCES，LOCALECONOMYDEVELOPMENTANDSOCIALSTATE，ANDMADEOUTTHECONSTRUCTIONALGOALOFPROJECTANDTHEINVESTMENTCAPITALOFEACHSUBPROJECTSDURINGTHECONSTRUCTIONALTERMTHEREAREELEVENSUBPROJECTSINVOLVEDINTHEGENERALPROJECTDURINGTHECONSTRUCTIONALTERMTHEYARETHEPROTECTIONANDCONSTRUCTIONOFFORESTRYRESOURCESANDFORESTRYECOLOGICALENVIRONMENT，INTENSIVEREFORESTATION，THEPROTECTIONANDMANAGEMENTOFSTRENGTHENINGFORESTRYRESOURCES，THEPROTECTIONOFFORESTRYDIVERSITYANDTHEREASONABLEUTILIZATIONOFBIOLOGICALRESOURCES，THEFINEPROCESSINGOFFORESTRYPRODUCTSINDUSTRYFORESTRYMULTIPLEMANAGEMENT，THEPREVENTIONOFPOLLUTEDENVIRONMENT，THEBASICCONSTRUCTION，THESOCIALCOMPREHENSIVEDEVELOPMENTANDTHECONSTRUCTIONOFECOLOGICFORESTRYMODEMODELITALSOAPPRAISEDINDETAILTLLEECONOMICALECOLOGICALANDSOCIALPROFITSOFTHISSUBPROJECTCONSTRUCTIONTHECONCLUSIONIS，ACCORDINGTHEANALYSISBASEDONBOTHECOLOGICALANDSOCIALASWELLASECONOMICALASPECTS，THATITISFEASIBLETOCONSTRUCTTHEECOLOGICALFORESTRYZONEINTIANQIAOLINGFORESTSECTORKEYWORDSECOLOGICALFORESTRYZONE，F(xiàn)ORESTRESOURCES，F(xiàn)ORESTENVIRONMENT，PRODUCTSSTRUCTURE，ECONOMICALPROFIT，ECOLOGICALPROFIT，SOCIALPROFIT

簡介：江西農(nóng)業(yè)大學碩士學位論文上饒市林業(yè)分類經(jīng)營的研究姓名郭然申請學位級別碩士專業(yè)森林經(jīng)理學指導教師丁思統(tǒng)200261ABSTRACTSUMMM’IZINGANDASSIMILATINGTHEACHIEVEMENTSINFORESTCLASSIFCATIONMANAGEMENTTHOROUGHLYINVESTIGATINGTHEACTUALITYOFFORESTRESOURCESINSHANGRAODISTRICT。THISPAPERPTOBEDINTOTHEMANAGEMENTOFVARIOUSTYPESOFPUBLICBENEFITFORESTANDCOMMEREIALFOL’ESTACCORDINGTOTHEREQUIREMENTSOFCLASSIFICATIONMANAGEMENTITMAINLYINCLUDES1ANNIYSISOFTHETHEORETICALBASES，NECESSITY，CHANNELS，MEANSOFTHECOMPENSATIONSYSTEMOFPUBLICBENEFJTFOREST2BASEDONTHEWHOLEFORESTRYOUTPUTVALUEANDTHEDATAOFFIRST，SECONDANDTHIRDFORESTINDUSTRYINSHANGRAOFROM1995TO2000，THEPAPERMADEGRAYRELEVANCEANALYSISHERESULTINDICATEDTHATTHEMAININDUSTRYWASSTILLTHEFIRSTINDUSTRYTHETHIRDINDUSTRYWASH’TDEVELOPEDWELLITWASOPPOSITEWITHTHEMULTIPURPOSEFORESTRYMAJOREFFORTSWERESUGGESTEDTOBEMADETOTHETHIRDINDUSTRYANDTHESTRUCTUREINTHEFIRSTINDUSTRYTOBEIMPROVED3‘RHESTATUSOFECONOMICFORESTINTHEDISTT’ICLWASTHOROUGHLYANALYZED，WHICHREFLECTEDTHATINDIVIDUALMANAGEMENTOFECONOMICFORESTWASSTILLATTHEEXTENSIVEPERIODCLUSTELLANALYSISWASAPPLLEDTOANALYZETHESOFTSOFECONOMICFORESTINCOUNTIESANDEITIESOFTHEDISTRICT，ANDSOMECOUNTERMEASURESTOINDUSTRIALIZEECONOMICFORESTWEREAJSOPUTFORWARD43“HEMANAGEMENTANDADMINISTRATIONSYSTEMOFBENEFICIALFORESTWASDISCUSSED5IHERELATIONBETWEENTHETWOSYSTEMSINFORESTRYWASEXPOUNDEDINDEPTH，ANDTHEADMINISTRATIONSYSTEMTOFACILITATETHEIRCOORDINATIONWASALSOINQUIREDINTOTHEPAPERPONDEREDOVERTHEWAYTODEVELOPBOTHINTUNEJNTHEENDKEYWORDSFORESTCLASSIFICATIONMANAGEMENTBENELIIALFORESTCOMPENSATIONSYSTEM，GRAYECONOMICFOREST，TWOSYSTERNS2FORESTRESOURCES，PUBLICBENEFITFORESTRELEVANCEANALYSIS，C1USTERANNLYSIS

簡介：東北林業(yè)大學碩士學位論文迎春林業(yè)局景觀格局的研究姓名劉立新申請學位級別碩士專業(yè)生態(tài)學指導教師胡海清吳曉春20030601ABSTRACTBASEDONFORESTTYPEMAP1，25000，DIGITIZEDTERRAINMAP150000ANDGENERALINVESTIGATEDMATERIALOF1999，TWOCLASSESLANDSCAPETYPESWEREDIVIDEDINYINGCHUNBUREAUOFFORESTRYSUPPORTEDBYTHEGISSOFTWAREARCVIEWANDSTATISTICSSOFTWAREFRAGSL肖RSOFLANDSCAPEINDEX，THELANDSCAPESPATIALPANEMOFTHEREGIONWASANALYZEDANDASSESSEDUSINGLANDSCAPEECOLOGICALPRINCIPLES，SUCHASMASSSIZE、SHAPEINDEX、DIVERSITYINDEX、FRAETALDIMENSION、DOMINANCE、FRAGMENTATIONTHEN，COMBININGWITHTHESTATUSINQUOOFLOCATINGINSANJIANGPLAINANDINTERMIXWITLLFARMINGANDFOREST，THEAUTHORANATYSISEDITSECOFRANGIBILITYANDCOOESSENTIALITYATLAST，AREASONABLEECOLOGYPROGRAMMINGISADVANCEDTHERESULTARE1THEMAINBODYINYINGCHUNISFORESTMANAGEMENT，WOODLANDANDINFIELDINTERLEAVINGTOGETHERAGRICULTUREPRODUCTIONPOSSESSESASIZABLEPROPORTION。WOODLAND，INFIELDANDEVERGLADEAREDISTURBEDBADLYTHEDEGREEOFPATCHFRAGMEMATIONISVERYHI啦2BROADLEAVESFORESTISINTHEDOMINANT，BUTITSDISTRIBUTINGISVERYDISPERSE，PINLEAVESFORESTPATCHESTAKEONACOLLECTIVESTATE；THESHAPEOF掰瞬羚FORESTPATCHISVERYCOMPLEX，THESHAPEOFPLANLATIOAPATCHISVERYCODEX；3SUPERIORANDMIDDLETRAVELOFRIVER，EVERGLADE，NAKEDFIELD，UPSWEEPANDTHEINTERLEAVINGSTRAPOFWOODLANDANDINFIELDAREECOLOGICALFRANGIBILITYAREAANDNEEDTOBEPROTECTEDSTRICTLYTHISSTUDYPAVEDAWAYFORTHEPLANNINGOFTHESUSTAINABLEMANAGEMENTANDTHEPROTECTIONOFTHEBIODIVERSITYKEYWORDSFORESTLANDSCAPE、LANDSCAPEPATTERN、ECOLOGYFRANGIBILITY、ECOLOGYPROGRAMMING

簡介：東北林業(yè)大學碩士學位論文汪清林業(yè)局長白落葉松第二代種子園總體規(guī)劃姓名胡立平申請學位級別碩士專業(yè)林業(yè)工程指導教師董希斌田靜波20021201ABSTRACTSEEDORCHARDISAPLANTEDFORESTTHATPRODUCESNURSERYSTOCKSWITHHIGHGENETICQUALITIESWANGQINGFORESTRYBUREAULOCATINGATJILINPROVINCEHADESTABLISHEDMANYPRIMARYSEEDORCHARDSFORLARIXOLGENSIS，LARIXLEPIOLEPIS。PINUSSYLVERSTRISVAMONGOLICAPINUSKORAIENSISANDSOFORTHONQINGHEFORESTRYFARMINTHEEARLYOF1980’STHELEVELOFGENETICIMPROVEMENTOFTHELARIXOTGENSISSEEDORCHARDISVERYHIGHANDWEHADPICKEDOUTMATERIALSWITHHIGHGENETICQUALITIESFORESTABLISHINGSECONDARYSEEDORCHARDTHROUGHPROGENYTESTOF750FAMILIESOFSELECTTREESFORTHISREASON，WEDECIDEDTOFOUNDTHESECONDARYSEEDORCHARDFORLARIXOLG’ENSISBASEDONORIGINALSEEDORCHARDTHEAREAOFTHESECONDARYSEEDORCHARDOFLARIXOTYENSISIS607HM2THEORCHARDISCOMPOSEDOFFOURPARTSWHICHAREPRODUCINGPOPULATION，BREEDINGPOPULATION，F(xiàn)ILIALGENERATIONDETERMINEDFORESTANDTHEDEMONSTRATIONFORESTWITHAREAOF177HM2，6OHM2，1OHM‘AND25HM。RESPECTIVELYTHEESTABLISHMENTOFTHESEEDORCHARDWASFROM2000TO2005ANDLASTSIXYEARSDURINGTHEESTABLISHMENTOFTHEORCHARD，WEWILLCONTINUOUSLYDOTHEWORKOFGENETICIMPROVEMENTFOREXAMPLE，WEWILLGOONPLUSTREESELECTION，CROSSBREEDINGANDCLONALTESTOFTHEHALFSIBANDTHEFULLSIBINTHEPROGRAMOFTHESEEDORCHARDFOUNDING，WEHAVEINVESTIGATEDTHECURRENTDEVELOPMENTOFNATURE，COMMUNICATIONSANDSOCIALECONOMYANDANALYZEDTHEPROBABILITYOFNATURALCONDITIONSFORFOUNDINGTHEORCHARDCONTINUOUSLYWEALSOHAVEANALYZEDTHECONDITIONSOFLABORANDCOMMUNICATIONSUNDERTHECONDITIONOFTHESEFACTORSFITTINGTHEDEMANDSOFESTABLISHMENTOFTHESEEDORCHARD，WEHAVEFURTHERDESIGNEDTHEPLANOFMANAGEMENTANDCARRIEDOUTTHEDESIGNINGOFMANAGEMENTPLANANDESTABLISHMENTTECHNOLOGYOFTHEORCHARDANDPUTFORWARDTHEPLANSOFPROGENYTESTANDSETTINGUPTHEDEMONSTRATIONFORESTINTHELIGHTOFTRAITOFTHEINTENSIVEFARMFORSEEDORCHARD，WEHAVEPOSEDTHETECHNIQUEOFMANAGEMENT，DESIGNMENTOFSEEDOUTPUT，DESIGNMENTOFBASICCONSTRUCTIONANDFUNDAMENTALFACILITIES，THEMECHANISMOFORGANIZATIONANDAUTHORIZEDSTAFFACCORDINGTOTHEBLOOMPATTERNOFLARIXOTGENSISANDTHELEVELOFGENETICIMPROVEMENT，WEHAVEANALYZEDCOMPREHENSIVCLYTHEECONOMICALBENEFITSANDSOCIALPROFITSBROUGHTBYTHECONSTRUCTIONOFTHESEEDORCHARDTHETOTALINVESTMENTOFTHISPROJECTIS5007THOUSANDSYUANKEYWORDSLARIXOLGENSIS；SECONDARYSEEDORCHARD；CONSTRUCTION；DESIGN

簡介：中國農(nóng)業(yè)大學碩士學位論文幾種林木病毒鑒定與林業(yè)微生物菌種數(shù)據(jù)庫查詢系統(tǒng)構(gòu)建姓名黃金光申請學位級別碩士專業(yè)植物病理學指導教師李懷方20040601ABSTRACTSOMEFORESTIALPLANTSINFECTEDBYVIRUSES，INCLUDINGHIBISCUSROSASINENSISLINN。FRAXINUSEHINENSIS，SYRINGAOBLATELINDL，PAULOWNIAANDZIZYPHUSJUJUBEMILL，WEREDETECTEDANDIDENTIFIEDBYBIOASSAYSEROLOGYANDMOLECULARBIOLOGICALTECHNIQUESACCORDINGTOTHERESULTSOFTHESEDETECTION，ITREVEALED也ALONEHIBISCUSROSASINENSISSAMPLEFROMHENANW85INFECTEDBYTOMVTHEOTHERSAMPLEFROMBEIJINGWASINFECTEDBYTMVTWOFRAXIUSCHINENSISSAMPLESRESPECTIVELYCOMINGFROMNINGXIAANDBEIJINGWEREINFECTEDBYTMVSYRINGAOBLATELINDTSAMPLEFROMBEIJINGWASALSOIRIFEETEDBYTMV’PAULOWNIASAMPLEFROMHENANWASINFECTEDBYCMVANDTMVWEARESTILLUNDERTHEDETECTIONANDIDENTIFICATIONABOUTTHEPATHOGENFROMZIZYPHUSJUJUBEMILLNOWITWEREFIRSTLYREPORTEDABOUTTOMVONHIBISCUSROSASINENSISLINN，TMVONHIBISCUS，10SA8INENSISLINNANDSYRINGAOBLATELINDL，，CMVANDTMVONPAULOWNIATAKINGTHEFORESTRYMICROORGANISMSINFORMATIONASAPPLICATIONOBJECTBASEDONCOMPUTERNETWORKANDDATABASETECHNOLOGYTHISDISSERTATIONPRESENTARESEARCHONDESIGNINGOFDATABASEINDEXSEARCHINGFORFORESTRYMICROORGANISMSTHERESEARCHCONSISTSOFSUCHITEMSTHERATIONALSCHEMEOFLLS50ACCESSASPWASAPPLIEDTOTHESYSTEMTHEDATABASEOFFORESTRYMICROORGANISMSWASBUILTCORRECTLYANDTHEFRAMEWORKSOFTHESYSTEM’SHARDWAREANDSOFTWAREWEREMADETHEEFFECTIVERETRIEVEPROGRAMFORTHEDATABASEWASDESIGNEDAWEBSITETHATINTEGRATEDWITHDATABASEINDEXSEARCHINGFORFORESTRYMICROORGANISMSSYSTEMWASDESIGNED，USINGDREAMWEAVERULTRADEV40，AWEBSITEDEVELOPMENTT001THESYSTEMCANPROVIDEFULLANDACCURATEFORESTRYMICROORGANISMINDEXFORTLEUSERSANDPROVIDEFUNCTIONSOFDYNAMICALLYMANAGINGTHEDATABASEFORTHEADMINISTRATORKEYWORDSFORESTIALPLANKDETECTIONANDIDENTIFICATION，INDEXSEARCHINGSYSTEM，DATABASEII

簡介：東北林業(yè)大學碩士學位論文林業(yè)新定位下，國有林區(qū)經(jīng)濟結(jié)構(gòu)調(diào)整研究姓名李爾彬申請學位級別碩士專業(yè)管理學指導教師蔣敏元20031201ABSTRACTAFTERDOZESOFYEARS’CONSTRUCTIONANDREFORMATION，NATIONALFORESTREGIONHASHADCOMPLETELYDIFFERENTFROMTHEPASTINESSENCEESPECIALLYEVERSINCEPRACTICINGTHEPROJECTOFNATURALFORESTPROTECTIONINOURCOUNTRYWEGAVETHEMEWTHINKINGOF“FIVECHANGES”ANDRELOCATEDFORESTRYITMAKESFORESTRYDEVELOPINANEWSTAGESOTHENATIONALFORESTREGIONMUSTFACETHENEWADJUSTMENTOFECONOMYCONSTRUCTIONACCORDINGTOTHEFACTOFTHEDEVELOPMENTOFNATIONALFORESTREGIONOFOURCOUNTRYANDTHEDEMANDOFFORESTRYNEWRELOCATION，THISPAPERRESEARCHESTHEECONOMYCONSTRUCTIONOFNATIONALFORESTREGION，ANDGIVESTHEIDEASOFREADJUSTMENTTHERESEARCHOFTHISPAPERGOESWITHTHEFOLLOWINGFRAMEPROPOSITIONOFTHEMATTERCOMMENTSOFCURRENTRESEARCHSITUATIOLL_一THEIDEASOFREADJUSTMENTMEASURESANALYSISTHEMAINCONTENTOFTHISPAPERISASFOLLOWSFIRSTOFALLTHISPAPERPROPOSESTHEMATTERINDICATESTHEBACKGROUND，PURPOSE，SIGNIFICANCEANDPRESENTSITUATIONOFRESEARCHSECONDLNTHISPAPERGIVESTHEGUIDINGTHOUGHT，F(xiàn)OUNDATIONANDPRINCIPLEOFRESEARCHTHIRDLYACCORDINGTOTHENEWRELOCATION，THISPAPERRESEARCHESTHEPROBLEMSOFOWNERSHIPCONSTRUCTION，ORGANIZATIONCONSTRUCTIONOFBUSINESS，INDUSTRIESCONSTRUCTION，RESOURCECONSTRUCTION，PRODUCEFORCECONSTRUCTIONANDTHEDEVELOPMENTINTHEREGIONDURINGTHECOURSEOFRESEARCH，ACCORDINGTOTHEFACTOFFORESTRYREFORMATIONANDTHEPOLICIESOFCOUNTRYANDFORESTRYFROMTHESTRATEGYVIEWTHISPAPERRESEARCHESTHEREADJUSTMENTOFECONOMYCONSTRUCTIONOFNATIONALFORESTREGIONFROMPOSITIVEANALYSISTHISPAPERGIVESLESSTHEORYBACKGROUNDANDPAYSMOREATTENTIONTESOLVEFACTPROBLEMSKEYWORDNEWLO。CATIONOFFORESTRY；NATIONALFORESTRYREGION；ECONOMYSTRUCTURE；ADJUSTMENT

簡介：福建農(nóng)林大學碩士學位論文廈門城市林業(yè)及本島山地森林改造的研究姓名趙思金申請學位級別碩士專業(yè)森林培育指導教師陳存及200351趙思金廈門城市林業(yè)及本島山地森林改造的研究風景名勝區(qū)，面積30KIN2以上，森林順山體高低錯落形成綠樹掩映的風景林?！币画h(huán)”即環(huán)島路及海濱的防礬林帶?！皟善笔侵笍B門島東、西形成兩片山水型綠化片區(qū)，形成城FH的。綠心”?！皟删€”系廈門島規(guī)劃的十字行兩條城市主干道綠化帶。二、城市防護林體系建設廈門市充分乖J用已有的廈門海域功能區(qū)劃、廈門海域環(huán)境功能區(qū)劃、廈門港總體規(guī)劃等項規(guī)劃，加快沿海防護林體系建設，大力推進“海岸、路、河林帶化，農(nóng)田林網(wǎng)化、山體森林化、村鎮(zhèn)園林化”建設進程。三、本島山地森林建設按功能將本島分為六大部分，1仙岳山一狐尾山公園片區(qū)；2園林植物園片區(qū)；3東南沿海一重山片區(qū)4云頂巖片區(qū)；5西孤嶺至大東山防護林片區(qū)6孤山小區(qū)片區(qū)。四、森林公園的建設森林公園以旅游開發(fā)為主，同時也起到保護生物多樣性、凈化空氣和美化環(huán)境的作用。天竺山、仙岳山森林公園建設成為廈門城市環(huán)境建設的一大亮點。4廈門本島山地森林改造城市森林的林相改造工程至今在全國還沒有引起足夠的重視，有關(guān)林相改造規(guī)劃設計的相關(guān)文獻匱乏。林相改造完全不同于造林規(guī)劃設計，與林分改造有某些相似之處，但又更復雜。原因是廈門本島山地森林改造對象均為生態(tài)公益林，改造重點是以馬尾松為優(yōu)勢樹種的林班、小班，其次是臺灣相思為優(yōu)勢樹種的小班。由了各功能區(qū)的改造性質(zhì)不同，立地條件千變?nèi)f化，改造更新樹種多種多樣。使改造方案變得錯綜復雜。通過調(diào)查廈門本島山地森林的資源現(xiàn)狀，分析目前存在的問題。把本島山地森林依其所處位置、功能劃分為六大片區(qū)。并提出本島山地森林改造的技術(shù)方案，把立地劃分為5種類型厚土層土層厚度LOOCM、中土層土層厚度60～100CM“、薄土層20～60EM、極薄土層20CM、裸巖無土層。林相樹種擬定三個層次1顯效樹種臺灣相思是最理想的先鋒樹種，其次是馬占相思、厚莢相思等新品種仙岳山、狐尾山馬尾松林冠下套種馬占相思效果很好。此外．楊梅耐瘠薄，較耐蔭是優(yōu)良的水士保持樹種。這類樹種一般應占1，2左右，立地條件越差，所占比例越大。在極薄土層的巖縫之間，應選用臺灣相思播種造林。2景觀樹種從廈門園棒綠化樹神中篩選出適應性強、綠蔭和觀賞效果較好的喬禾樹種。如檸檬桉EUCALYPTUSEITRIODORA、榕櫥FICUSMICROCARPA、高山榕、木棉BOMBAXMALABARICUM、南洋杉ALBAIZIAFALCATARIA、香樟CINNAMOMUMCAMPHORA、風凰木、楓香LIQUIDAMBARFORMOSANA、國槐SOPHORAJAPONICA等。具體選擇時應根據(jù)不同小班的立地條件和林分生長特點，選擇2～3種作為景觀樹種，并與第一類樹種‘防護樹種進行合理混交配置。景觀樹種一般占造林株數(shù)的L，4左右。3中試樹種不論是馬尾松或臺灣相思林分中，均有一些林中空地、林隙，可選擇有成功造林經(jīng)驗的高大喬木樹種。如紅錐CASTANOPSISHYSTR扛華安、青錢8PCYELOC口N∞PALIURUA永春、細柄阿丁楓ALTINAGIAGRACILIPES、柚木TECTONAGRANDIS、楠木PHOEBPBOURNEI、鵝掌楸LIRIODENDRONCHINEME、觀光木TSOONGIODENDRONODORⅫN、團花第2頁共“頁

簡介：東北林業(yè)大學碩士學位論文遼寧省林業(yè)產(chǎn)業(yè)結(jié)構(gòu)調(diào)整研究姓名廖蔥蔥申請學位級別碩士專業(yè)林業(yè)經(jīng)濟管理指導教師萬志芳20031201

簡介：湖南農(nóng)業(yè)大學碩士學位論文長沙市生態(tài)環(huán)境分析及城市林業(yè)生態(tài)圈的規(guī)劃框架姓名李國輝申請學位級別碩士專業(yè)種植指導教師鄒冬生20031129附件獨創(chuàng)性聲明本人聲明所呈交的論文是我個人在導師指導下進行的研究工作及取得的研究成果。盡我所知，除了文中特別加以標注和致謝的地方外，論文中不包含其他人已經(jīng)發(fā)表或撰寫過的研究成果，也不包含為獲得湖南農(nóng)業(yè)大學或其它教育機構(gòu)的學位或證書而使用過的材料。與我一同工作的同志對本研究所做的任何貢獻均已在論文中作了明確的說明并表示了謝意。研究生簽名勘習莉耷時間。肋弓年／護月言口日F關(guān)于論文使用授權(quán)的說明本人完全了解湖南農(nóng)業(yè)大學有關(guān)保留、使用學位論文的規(guī)定，即學校有權(quán)保留送交論文的復印件和磁盤，允許論文被查閱和借閱，可以采用影印、縮印或掃描等自制手段保存、匯編學位論文集。同意湖南農(nóng)業(yè)大學可以用不同方式在不同媒體上發(fā)表、傳播學位論文的全部或部分內(nèi)容。保密的學位論文集在解密后應遵守此協(xié)議研究生簽名導師簽名時間。2，嗎年，口月弓。日時間O歲年／≯月驢日

簡介：華中科技大學碩士學位論文基于林業(yè)跨越式發(fā)展的林地經(jīng)營研究姓名林靈活申請學位級別碩士專業(yè)公共管理指導教師譚術(shù)魁20040421華中科技大學碩士學位論文ABSTRACTWITHTHEWORLDECOSYSTEMTILRLLWORSEFURTHER，THEPROBLEMOFECOSYSTEMENVIRONMENTBECOMETHEINTEMATIONA／COMMUNITYTHEPROBLEMOFTHECOMMONCONCERNATLOCAL，F(xiàn)ORALONGTIME，BECAUSEPRODUCINGTIMERISA／WAYSTHEMAINCONCEPTOFTHEFOREST，CAUSETOTHEEXCESSIVEBREAKAGEOFTHEFORESTRESOURCES，ANDITBECOMETHEIMPORTANTFACTORTHATCUMBERTHESOCIETYANDECONOMYTOKEEPONDEVELOPING，EVENTOENDANGEREXISTINGOFMANKINDINSOMEREGIONIN1998THERARELYSEVEREFLOODINGOFCHANGIIANGRIVERWITHMOREANDMORETHESTORMOFSANDMAKEATTRACTOROFPEOPLEAGAIN，THEPROBLEMOFECOSYSTEMENVIRONMENTBECOMEMOREANDMOREIMPORTANTINOURCOUNTRY，THESIXGREATESTENGINEERINGOFFORESTRYISPRACTICEDONEAFTERANOTHERWITHSTARTING，ITMEANSTHEBEGINNINGOFFASTFORESTRYDEVELOPMENTSOONJUNE25IN2003，THECENTRALOFTHECOMMUNISTPARTYOFCHINAWITHTHESTATEDEPARTMENTMAKETHEDECISIONTOMAXTHEFORESTRYDEVELOPQUICKLY，ITREQUIRETHEFORESTRYMUSTREALIZEFASTDEVELOPMENTAIMATFASTFORESTRYDEVELOPMENTTOBRINGUP，HOWTONLAKETHEFORESTRYDEVELOPFASTONTHEPRESENTCONDITIONBECOMETHEPROBLEMOFTHEWIDESPREADCONCERNFORTHEPEOPLE，PARTICULARLYTHEMANAGEROFFORESTRYTHEWRITER吐INKTHERESEARCHONWOODLANDISTHEMOSTIMPORTANTWITHDEEPTHOUGHTFROMMANYPRACTICEOFTHEFORESTRYINTHELASTYEARSBECAUSETHEWOODLANDISAFORESTTOCARRYWITHWHATWOODEXIST，ISAFORESTRESOURCESINSIDEINDISPENSABILITYBUTTHATCANNOTBEREBORNAGAIN；ITISTHEMAINFACTOROFFORESTRYDEVELOPMENTIFTHEWOODLANDISNOTEXIST，F(xiàn)ORESTWILLLOSTTORELYFOREXISTENCEOFCARRY，ANDTOREALIZEFASTDEVELOPMENTISIMPOSSIBLETHEWRITERINVESTIGATETHEPROBLEMOFMANAGEMENTOFTHEWOODLANDATPRESENTANDJOINTOGETHERSOMERELATEDTHEORIES，BRINGUPTHEWOODLANDMARKETTHATOPERATECIRCULATEMODEFORTHEPRESENTINCHINA，INORDERTOGIVESOMESUGGESTIONTHATCALLREALIZEFASTFORESTRYDEVELOPMENTQUICKLYKEYWORDSFORESTRYFASTDEVELOPMENTWOODLANDMANAGEMENT1I

簡介：東北林業(yè)大學碩士學位論文基于“3S”技術(shù)的區(qū)域林業(yè)生態(tài)工程空間配置的研究姓名孫曉娟申請學位級別碩士專業(yè)森林經(jīng)理學科指導教師范文義蔡體久20030601ABSTRACTTHEESSENTIALOFTHEREGIONALFORESTRYECOLOGICALENGINEERINGISTHESPATIALALLOCATIONOFTHESHELTERFORESTTHATDEMANDINGMEASURESSHOULDBESUITABLETOIOCALCONDITIONS，ANDCOUNTERMEASURESSHOULDBETAKENTOCOMBATTHECALAMITYINORDERTOPROMOTETHEECOSYSTEMTOWARDBENIGNDIRECTIONCIRCULATIONANDSTRENGTHENTHESTABILITYOFTHEECOSYSTEMFORTHEABILITYOFTHEOBTAININGSPATIALINFORMATIONANDANALYZINGRELEVANTDATAOFDIFFERENTSOURCES，THE‘‘3S”TECHNOLOGIESHAVEBECOMEAPOWERFULANDEFFICIENTTOOLTOSTUDYSPATIALALLOCATIONOFTHEREGIONALFORESTRYECOLOGICALENGINEERINGATFIRSTONTHEBASESOFANALYZINGTHERELATIONSHIPBETWEENTHEVEGETATIONINDEXNDVIOFTHEREMOTESENSINGIMAGEANDTHEVEGETATIONCOVERAGE，COMBININGTHEGEOGRAPHICINFORMATIONOFSLOPE，ASPECTANDTHEALTITUDE，ALINEARREGRESSIONMODELWITHREGARDTOTHEREMOTESENSINGANDGEOGRAPHICINFORMATIONHASBEENSETUPTOCALCULATINGTHEVEGETATIONCOVERAGEOFEVERYPIXETFORINTHESOILEROSIONMONITORINGMODELANDTHESTUDYOFTHEREGIONALCHANGE，THEQUANTITATIVEINFORMATIONOFVEGETATIONCOVERAGEPLAYSAMOSTIMPORTANTROLESECONDLYINTHISTHESISBYWAYOFTHEFUSIONOF1OMMULTISPECTRALIMAGEAND5MPANCHROMATICIMAGETOENHANCETHESPATIALRESOLUTION，COMBINEDTHEAERIALMAP，F(xiàn)ORESTRYRESOURCEINVESTIGATIONMATERIALS，RAINFALLANDOBSERVATIONDATA，ANDTHEDATAISTAKENFROMOUTSIDEINVESTIGATION，ALLTHEFACTORSOFTHEEQUATIONOFWATERANDSOILEROSIONMODELISCALCULATEDTHEAMOUNTOFSOILEROSIONANNUALLYINTHEUNITOFIOM1OMOFTHEWHOLEWATERSHEDHAVEBEENGOTFINALLY，UTILIZINGTHEQUANTITATIVEANALYSISOFCURRENTSITUATIONOFSOILEROSIONOFTHEGONGBIELARIVERWATERSHED，ANDCOMBININGTHELANDUSEANDTHERELEVANTCLASSIFICATIONMAPS，THEAREAOFTHEEROSIONMODULUSISGREATERTHAN2500T／KIN2ISDIVIDEDINTOTHEMANAGINGAREAESPECIALLYTHEAREAOFWATERANDSOILCONSERVATIONFOREST，THEWATERRESOURCEPROTECTIONFOREST，THESURROUNDINGAREAOFTHERESERVOIRANDTHENATURERESERVEAREAAREDIVIDEDINTOTHEPREVENTINGAREAESPECIALLYANDVARIOUSKINDSOFWATERANDSOILCONSERVATIONFORESTLAYOUTISCARRIEDONSCIENTIFICALLY

簡介：東北林業(yè)大學碩士學位論文生物有機肥料在林業(yè)育苗應用上的生態(tài)效應研究姓名關(guān)兆紅申請學位級別碩士專業(yè)生態(tài)學指導教師李玉文郭春景20040601ABSTRACTNOWPEOPLEATTACHIMPORTANCETOENVIRONMENTPROTECTINGINCREASINGLYANDECOLOGICALCONSCIOUSNESSGRADUALLYBIOFERTILIZERBECOMESONEOFIMPORTANTINALULCSBITBYBITANDWILLEXERTGRANDACTIONINFUTUREAGRICULTUREANDFORESTBECAUSEBIOFERTILIZERISASORTOFREPRODUCIBLEMANURESWITHORGANICOFFALWHICHPL’INCIPLEISBIOLOGICALNIROGENFIXATIONANDBENEFICIALMICROBESIMPROVINGFERTILITYSTATUSECOLOGICALEFFICACYOFBIOFERTILIZERRESEARCHINGINAPPLICATIONOFTHERRESTSEEDLINGBREEDINGISTHEEMPHASESINTHISPAPERSURVBEROTEBIOFERTILIZERCANIMPROVESEEDLINGGROWTHEFFECTIVELYTHESEEDLINGVEGETATEDBETTERWITHHIGHFERTILIZINGSCALARFROMJULYTOSEPTEMBER，THESAPREMENETINCREASINGQUANTITYOFSEEDLINGHEIGHTANDGROUNDDIAMETERARE487、O026CMPINUSKORAIENSIS，1872、0257CMLAL。髓GMELINI，2821、0298CMHIPPOPHASCRHAMNOIDEANDTHESUPREMENETINCREASINGQUANTITYOFHIPPOPHASERHAMNOIDE’SLEAFLENGTHANDWIDTHAL’CI73、034CMTBESUPREMENETINCREASINGQUANTITYAPPEAREDINTREATMENT4609／M一TOTALLYANDWITHTHEDOSAGEOFFERTILIZERENHANCED，THEBIOMASSOFEVERYSPECIESENHANCEDTOOBIOFERTILIZERCANOBSERVABLYIMPROVETHEDYNAMICBALANCEOFEACHMICROBCPOPULATIONQUANTITYINSOIL1HEQUANTITYOFEFFECTIVELIVCCLCNLCNTSINBIOIDT’TILL／EL’INCREASEDANERTHEBIOFERTILLZCRFERTILIZEDTOSOILFROMJUN。ETOJULYRTHEEACHNAICROBCPOPULATIONQUANTITYAUGMENTSABOUT10TIMES，WHICHMADEEACHMICROBEACTIONBRINGINTOPLAY③BIOFERTILIZERCADINCREASEDSOILFERTILITYMELIORATEDTHESOIL衙TILFICILCUMSTANCEBIO，F(xiàn)ERTILIZERCANOBSERVABLYRELAXTHEREDUCINGOL、VARIOUS11L111“J、。MATERIALSDUETOSEEDLINGGROWTHSOMELARGEELEMENTSFORSEEDLINGGROWTHSUCHASORGANICANDAVAILABLENITROGEN，PHOSPHORUS，POTASSIUMANDSO013GETEFFECTIVELYINTHESEEDLINGGROWTHSEASONANDATTHESAMETIME，MICROBE’SACTIVITYCALLRELEASETARDIVENITROGENPHOSPHORUS，POTASSIUMINSOILWHICHCANIMPROVEMICRO‘ECOLOGICALENVIRONMENT④INTHEPROCESSOFBIOFERTILIZERMANUFACTURINGANDFERTILIZEDTOSOILSOMCMETABOLICNRODUCTSOFMICRAHERAREAEMMNLATLNOINRNILTHEQORNETNHNLIENMLLR’TT

簡介：中國農(nóng)業(yè)大學碩士學位論文煙臺市林業(yè)生態(tài)環(huán)境建設的實證研究姓名張明財申請學位級別碩士專業(yè)種植業(yè)指導教師奉公高萬斌20040301ABSTRACTWITHTHEDEVELOPMENTOFECONOMYANDSOCIETYTHEMAINDEMANDOFHUMANBEINGSFORFORESTRVHASALREADYCHANGEDINTOECOLOGICALREQUIREMENITHENFORESTECOENVIRONMENTALCONSTRUCTIONHASBECOMEAMAINTRENDOFFORESTRYDEVELOPMENT1、HISPAPERSYSTEMATICAL1YDEALTWITHTHEROLEOFFORESTRYINEEOENVIRONMENTALCONSTRUCTIONANDPROFOUNDLYANALYZEDTHETENDENCYOFWORLDFORESTRYDEVELOPMENTFINDINGTHATMOREANDMOREREGARDSHAVEBEENGIVENTOECOLOGICALENVIRONMENTALCONSTRUCTIONOFFORESTRYCURRENTLYCHINESEGOVERNMENTPUTSFORESTRYINTHEFIRSTPLACEINECOENVIRONMENTALCONSTRUCTION，DIRECTINGANDSUPERVISINGITSDEVELOPMENTSIMULTANEOUSLY。SOMEPROVINCESANDCITJESHAVEBEGUNTOBUILDTHEMSELVESINTO“ECOPROVINCE”O(jiān)R“ECOCITY’’THISPAPERREVIEWEDANDSUMMARIZEDTHEACHIEVEMENTSMADEINECOENVIRONMENTALCONSTRUCTIONOFYANTAIFORESTRYANDSYSTEMATICALLYANALYZEDTHEEXISTINGPROBLEMSANDDIFFICULTIESINTHECONSTRUCTION，THENPUTFORTHAPLANFORFORESTECOENVIRONMENTALCONSTRUCTIONOFYANTAICITY，INWHICHARELATIVELYPERFECTFORESTECOSYSTEMAIMINGAT“ECOCITY，GREENYANTAI”EMPHASIZINGIN“THREEALONGANDTHREECIRCLE”THATIS，ALONGROADS，ALONGRIVERS，ALONGSEASANDTIRELINSCITIES，CIRCLINGTOWNSANDCIRCLINGVILLAGES，ANDCHARACTERIZINGWITHAPATTERNOFPOINTS一1INES～SIDESINTEGRATIONINCLUDINGHILLS，PLAINS，BEACHES，ISLANDSANDTOWNS；MSSETUPFO’FORESTECOENVIRONMENTALCONSTRUCTIONISASYSTEMATICALPROJECTINORDERTOREALIZETHEABOVEOBJECTIRES，WESUGGESTTHATADMINISTRATIVELEADERSHIPSHOULDBESTRENGTHENEDANDAFUNDSUPPORTINGSYSTEM，ASCITECHSERVICESYSTEMANDANENGINEERINGMANAGEMENTANDSAFEGUARDSYSTEMSHOULDBEESTABLISHEDANDIMPROVEDKEYWORDSYANTAIIFORESTRYECOENVIRONMENTALCONSTRUCTIONPIANV

簡介：南京林業(yè)大學碩士學位論文神經(jīng)元網(wǎng)絡在中山陵景區(qū)林業(yè)土地分類中的應用姓名朱清苗申請學位級別碩士專業(yè)森林經(jīng)理指導教師彭世揆20040601THEADDLICATIONOFARTIFICIALNEURALNETWORKDIFFERENTIATINQKIND8O￡TERRAININZHONGSHANMAUSOLEUMABSTRACTTHETRADITIONA玉REMOTESENSINGIMA窖ECLASSI矗CATIONMTLLODSAREMAXIMUMLIKELIHOOD，MINDISTANCECLASSMCATION，ETCHL也ISPAPER’T11EANMCIALNEURALNCTWORKANNMODDWASINTM血CEDTOCLASSIFYFIVETYPICA】HNDSOFTERRAININZHONGSHAILMAUSOLEUM，SUCHASFBREST，WATER’FA玎NLANDAND筍ASSLAND，BUILDING，ANDOTHERSBASEDORIMEPNCIPLE，ⅡLEPAPERCOMPAREDTHEDISTINCTNESSOFTHETHREEDASSIFICATIONMEMODSWITH吐LEATCEMPTTOBRINGOUTMET【℃NDOFREMOTESENSINGIMAGECLASSIFICATIONBEINGUSEDINZTIONGSHAILMAUSOIEUMONT_HEBASISOFGEOMETRICCON_ECTIONFBRREMOTESENSINGIRNAGESDATA，DETAILEDCHARACTCRANALYSISWASCONDUCTEDFORTHERIMIMAGESNENSEVERALIMAGETRANSFB冊ATIONSSUCHASINTERACTIVECONTRASTSTRETCTIING，RATIOENHANCERNENT，面NCIPALCORNPONENTSTRANSFOMATION，TASSELEDCAP廿AILSFOMATION，IMAGECOLORCONBINE，ETC，WEREIMPLCMENTEDT鉀OINIIEXESWASCALCULATEDTOESTIMATCTTLEBESTBANDSUNIONFBRCOLORCOMBINATIONONEISOPTIMUMINDEXFACTOROⅡ一，THEOMERISⅡLEDETERIILIN鋤TOFTHECOV耐AILCEMAMXITCAILBESEENFFOMTHERESULT￡HATFORCOLORCOMBINATIONTHEORIGINALOPDMALBAIIDSWEREN，T2、TM4、TM7，MEB黯T岫【EDIRNAGESWEREPCI、NDVI、THTHEMAINDRAWBACKOF仃ADIDONALREMOTESENSINGIMAGECLASSIFICATIONMETHODSISITS10WPRECISIONTHENEURALNETWORL_BASEDREMOTESENSIR喀IMAGECLASSI丘CATIONTECHNIQUEHASBEENPRESCNTED，THERESULTDEMONSTRATEDMATTHENELLRALNETWOFKCLASSI五CAT主ONSYSTEMCOULDBEUSEDINREMOTESENSING岫AGECLASSIFICANON，ANDITSCLASSIFICATIONPRECISIONWASSUPERIORTOMATOFTHEMA【IMURMLTKCLILIOODANDMINDISTARLCE，ACHIEVINGANACCURACYOF9643％王NTHISPAPERTHEAUTHORAPPLIEDTLLEGRAPLEVEIVALUES0FTHREEBANDSURDONASTHENETWORKMODEL’SINPUTVARIABLES，ANDCHOSEFIVE垴NDS鼢AINASTHEMODEL’SOUTPUTVARIABLESFIRSTTHEORI百NALBACKPRDPAGATIONNETWORKWASUSEDTOCLASSIFYTERRAINTYPES，MERESLLLTOFTBECLASSMCATIONDCMONS仃ATEDMATTRAILLING砌幢SE玎ORCOULDIL’TDESCENDTHEEXPECTEDVALUETHCNMOMENTUMMOTHEDTRIEDTOIMPR0VEMEORI百NALBACKPR叩AGATIONALG嘶THM，THEEXPERIMENTAL『ESULTSSHOW也ATNETWORKCORⅣERGCDSPEEDIIYACHIE“NGTHEEXPECTEDVALUEO1ACCURACYAIIALYSISISANECESSARYWORKINMECLASSIFICADONOFREMOTESENSINGDATAHLMISPAPER’THEEVALUATINGINDEXCSINC王UDEDO黼AILACCURACY’勛PPACOE街CIENT，PM血CTACCURACY，USERACCURACY’ETCIFLAWORD，ANNCLASSIFICATIONISSUP嘲0RTO缸ADITIONALMETHODS，ANDHASWIDEPROSPECTSIILFOFCSTRYREMOTE8ENSINGKEYWORDSPFINCIPALCOMPONEN忸鋤ALYSIDMAXIMUMMKELILLDODANNBACKPR叩AG撕ONALG礎THM；ACCUFACYEV“UATE

簡介：東北林業(yè)大學碩士學位論文基于GIS的綏陽林業(yè)局森林資源與生態(tài)價值變化分析姓名郭聃申請學位級別碩士專業(yè)森林經(jīng)理指導教師郎奎建20040601ABSTRACTTHISSTUDYCOMBINESTHESHUIYANGFORESTDEPARTMENT’SNATURALSURVEYANDBUSINESSHISTORY，WHICHISONTHEGISTECHNOLOGYPLATFORMSHUIYANGFORESTDEPARTMENT’STWOPERIODSOFFORESTMAPSOF1958AND1999AREMAINBASICDAT氛SETUPAFORESTRESOURCESPACEDATABASEOFRESEARCHAREAOF1958AND1999，ACHIEVEDATARETURNOFTWOPERIODSOFFORESTRESOURCEWEMAINLYMAKEASTUDYOFFOLLOWINGASPECTS1WESTATISTICALLYEDUCETHEFORESTRESOURCEVARIATIONCOURSEONQUANTITYANDSPACEDISTRIBUTINGDURINGFORTYONEYEARSDURINGFORTYONEYEARS，THEAREAOFFORESTLANDANDSHRUBLANDINCREASE，F(xiàn)OREST_COVEREDRATIOANDUSEDLANDRATIISE，ARTIFICIALFORESTAREAINCREASESMUCHMOREANDFORESTSTRUCTUREALSOIMPROVESBUTSTANDVOLUMEDESCENTSTOAGREATEXTENT，AGECLASSANDSTANDDENSITYSTRUCTUREAREMALADJUSTEDBADLY，ANDTHENUMBEROFSTANDGROVAHISLOWATTHESAMETIMENONFORESTLANDAREATURNSWIDEANDDISTRIBUTINGRANGEENLARGES2FROMTHELANDSCAPINGANDECOLOGYANGLE，CHARACTERSOFTWOPERIODSOFLANDSCAPEPATTERNAREQUANTIFICATIONALLYANALYZEDIN1958AND1999；ALLKINDSOFSTYLESOFLANDSCAPECHANGERATIOARECONFIRMEDTHEANALYSISRESULTINDICATESTHATTHEQUALITYOFLANDSCAPESTYLEBECOMESLARGE，THETOTALNUMBEROFPATCHREDUCESMADAVERAGEPATCHAREAEXPANDSOLDGROWTHFORESTRATIOINLANDSCAPEDECREASES，SOFTWOODFORESTRATIOANDRAREBROADLEAVEDFORESTRATIOTURNHIGHANDCONSTRUCTIVELANDPATCHENLARGEAPPARENTLYWHILETHEREISNOOBVIOUSFRAGMENTATIONINTHEWHOLELANDSCAPE，THESHAPEOFPATCHTRENDSTOBECOMPLEX3THEECOLOGICALBENEFITASARESULTOFFORESTRESOURCECHANGEINTHEFORESTDEPAAMENTISQUANTIFICATIONALLYANALYZEDANDEVALUATEDINVALUEBYECOLOGICALBENEFITMEASURETHEORYTHEWHOLEECOLOGICALBENEFITSHOWSDOWNTREND，ESPECIALLYTHEAREAOFNUTRIENTWATERHEADANDWATERANDSOILBENEFITINFORESTGETLARGE，ANDONTHECONTRARYTHEFORESTAREALESSENS4THEREASONSTHATREASONLESSCHANGEOFFORESTSTRUCTURECOMESINTOBEINGARCANALYZEDBECAUSEOFEXCESSIVECENTRALIZEDDISFOREST，ASERIESOFINTEMALSTRUCTUREOFFORESTAREDESTROYEDSERIOUSLYTHOUGHFORESTAREACONLEBACKTORISESINCERESOURCEMANAGEMENTANDARTIFICIALFORESTARESTRENGTHENEDBUTSCIENTIFICMETHODSANDEFFECTIVE