2023年全國碩士研究生考試考研英語一試題真題(含答案詳解+作文范文)_第1頁
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1、福建農(nóng)林大學(xué)碩士學(xué)位論文天臺森林公園森林資源分布及生態(tài)系統(tǒng)服務(wù)功能研究姓名:林升學(xué)申請學(xué)位級別:碩士專業(yè):農(nóng)業(yè)推廣林學(xué)指導(dǎo)教師:劉金福闕茂文20090901AbstractForestiSoneofthemostimportantelementsofecologicalenvironmentanditiSthebasisofforestryAnditisamajorpreconditionofdevelopingforesttouris

2、mDynamicsofforestresourcesandmanagementCanmakeathoroughinvestigationofforest,forestlandandspecies,quantity,quality,anddistributionofforestwoodresourcesBasedontheforestresourcescurrentsituationandforestmanagementstatusofl

3、ocalarea,scientificpredictionsondynamicchangeofforestresourcesweremade,fundamentalmaterialsforforestresourcesconservationanddevelopmentwereprovided,andevidencesofscientificdecisionmakingforZhangpingTiantaiNationalForestP

4、arksustainabledevelopmentwereproposedinthispaperAccordingtoforestresourcesmanagementsurveyandwildplantsandanimalslinesamplingmethodinvestigationofZhangpingTiantaiNationalForestPark,theplantgeographicaldistributionwerestu

5、died,biodiversityindicesofwildplantsandanimalswerecalculated,ecologicalservicevalueswereevaluated1ftlemainresultswerelistedasfollows:(1)AccordingtoforestresourcesmanagementsurveyofZhangpingTiantaiNationalForestPark,F(xiàn)ores

6、tlandareaoccupied7489%landtypearea,theareaofnaturalforestandwaterconservationforestWas398824hm2and13018037hm2respectively,theforestsoilsitequalityfrommiddlingtogood,broadleavesforestareawas12996hm2,thetotalforestCOVervol

7、umewas243436m3withtheaverageforestcoVervolumeWas725756m3,theagestructureofdifferentspeciescompositionWastendingtoagingintherecentyearslaterBasedontheresultsofplotinvestigation,therewere1422vascularplants,belongingto180fa

8、miliesand679generainZhangpingTiantaiNationalForestPark,intherespectivepercentageof3811,7792and5402comparedwiththefloraofFujianprovinceOfthespecies,91speciesbelongingto31familiesand53generawerepteridophyte,12speciesbelong

9、ingto6familiesand8generaweregymnosperm,and1319speciesbelongingto143familiesand618generawereangiospermThecharacteristicfamiliesinforestparkwereRosaceae,Leguminosae,Compositae,Gramineae,EricaceaeLabiataeEuphorbiaceae,Morac

10、eae,Theaceae,F(xiàn)agaceaefamiliesandtheirgenesThemaingeographicalelementsoffamilieswerePantropic(5588%),NorthTemperate(1667%),TropicalAsiaandTropicalAmeriCandisjuncted(1078%)andEndemictoChina(098%),etcThemaingeographicalelem

11、entsofgenerawerePantropic(2822%),TropicalAsia(IndoMalesia)(1305%),NorthTemperate(1199%),EastAsia(1146%)andEndemictoChina(3%),etcAccordingtothepatternsofgeographicaldistribution,thepercentageoftropicaldistribution(76%)inf

12、amiliesOVerthepercentageoftemperatedistribution(21%),whereasthepercentageoftropicaldistribution(61%)ingeneraOVerthepercentageoftemperatedistribution(25%)ZhangpingTiantaiNationalForestParkforestcommunityWasatypicalcharact

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