阴山北麓农牧交错带生态旅游植被景观与环境关系的研究

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1、中国农业大学博士学位论文阴山北麓农牧交错带生态旅游植被景观与环境关系的研究姓名：李晓娜申请学位级别：博士专业：生态学指导教师：郑大玮20070601AbstractEcologicaltourism，whichhasbeenintheothercountriesmanyyearsago(suchasGermany,U．S．A，Canadaere，kisstillanewindustryinChina．Nowadaysastheeco-toufismisdevelopingfleetlyinChina,someunderdcvelopmentalareaa

2、reprovidingwithelegancynaturalsightandoffedngawonderfulatmospheregoingbacknature,sotheseZONesshowendlesscharmandattractlargequantitiesoftourists，WhiletheunscientificmanagementandthedrivingfoICeofshortbenefltinsomeeco-tourismarea,leadtoaseriesofecologyproblems．Atthesametime，vegeta

3、tionisthemostdirectexhibitionwhichshowedtheresultofdifferentnatureelementsinteractinacertaintyzone．andcanreflectthequailtyofenvironmentimpersonally．Inthispaper,theauthoranalyzedtherelationshipbetweenplantlandscapeandcnvironment,andthenprobedintoareasonableapproachinordertothatexp

4、loittheeco-tourismresources．Theconclusionsareasfollows：(1)ThevegetationstructureanalysisoftheecotoneinthenorthofYinshan：theverticaldistributionofvegetation．璐lnoredistinetonthasouthslopeofthehmthanthatonthenorth．1'Ileclassesofplantreducestepbystepalongfromeasttowestandfromsouthton

5、orth．Inthehillandtheeutropicslope，Artemisiafrigidaisthedominantspecies，butitsquantityofArtemisiafrigidareducedandre#needbyThymI／8serpflluraintheover-grazezone．(2)InvestigationofthegrasslandinHadamenForestParkshowedthatsuchbehaviorsasthetouristsgatherlocativewildingandovef．grazeha

6、veaffectedthecommunitystructureofmiddleandlowmountainmeadow．Investigationofhillaridgrasslandshowedthatthevegetationstructurewasaffectedbyslope，gradeandpositiondistinctly．(3)Astheind“ofastimatinglandscape，CommunityLandscapeImportanceValue(Liv)，Informationindexofspeciesdiversity(H9

7、andDegenerationspeciesindex(D，a”notcorrelatedwithphysicalgeographicalelements,onthecontrary,thesearepositivelycorrelatedwithhumangeographicalelements．(4)AstheindexofestimatingI锄dscape，flowerareaindexarerelatedwithenvironmentalelementsandtheefffect-4ofplantlandscape．n壕correlatiomh

8、ipbetW嘲flowerareaindexofselectedcropsand