九宮山典型植物群落結構及植物景觀研究.pdf

1、華中農業(yè)大學碩士學位論文九宮山典型植物群落結構及植物景觀研究姓名：徐小玉申請學位級別：碩士專業(yè)：園林植物與觀賞園藝指導教師：姚崇懷2002.5.1TheConstructureandPlantscapeofthePlantCommunitiesinJiugongshanAbstractSnllchlresoftwentytypicalplantpopulationwerefirstlyinvestigatedinJiugongshanH

2、ubeiprovenceMostoftheinvestigationwereonthespeciescomposition，levelands蟣lcnlrefeatureofthoseplantcommunitiesEmphasisaremadeonthediversityindexofeschlayerandtheageconstructure，heightclasssnlJcture，survivorcurveofthedomina

3、ntspeciesofthecommunities，throughwhichecologicalstabilityofthecommunitieswereanalyzedmainlyfromcommunitystabilityandpopulationstabilitypointofviewfromwhichtwotypesofstabilityWaSobtainedandcertainecologicaldisiplineWaScon

4、cludedfromthesecommunitiesThepurposeistOgetidealnaturalplantcommunitieswhoses仃uctureCanbesimulatedtoapplytOthemodemEcologicalLandscapeArchitectureasreferenceSecondlythevisualaestheticsoftheplantcommunitiesinthevegetation

5、wereinvestigated，andtheanalysisoftheornamentalcharacteristicandthevisualbeautyappearedwhentheyareingroupsweremadeinthestudymainl)’fromthepointofplants’seasonvisagecolorandtexture，Combining、Ⅳi也thevisualbeautyofthecommunit

6、iesinthestudyweCangetcertainprincipleforplantingdesignThirdlytheornamentalcharacteristicoftheornamentalplantsandthecompositionofcommunitytypeswereinvestigatedinJiugongshanregionTheresultoftheinvestigationandanalysisareas

7、follows：(1)PlantspeciesarerichandthediversityindexesofthecommunitiesarellighinJiuGongShan(2)TheShannonWienerindexofthecommunitiesaresimilarindicatingthatdiversityindexsofthecommunitiesinJiuGongShanarerelativelyconsistent

8、Forthemostcommunities，theShannon—Wienerindexofthetreelayershrublayerandtheherblayeraresimilarespeciallythecommunity12，3，4，10，12，14，15，17，19，20Therefore，theyarethoughtofasstablecommunities(communitystability)Thesizeclasss

9、tructure，theheightclassstructureandthesurvivorcurveofthedominantpopulationsshowsthattheageconstructionsofcommunityl，11，12，19，20areintegrated，indicatinggoodpopulationstabilityTheheightclassstructuresofcommunity13，4，9，10，1