长春市开发区行道树的组成及结构分析AnalysisofthecompositionandstructureofthedevelopmentzoneofChangchuncitystreettrees摘要行道树作为城市园林绿化的骨干，在创造优美的城市景观和改善城市生态环境中发挥着十分重要的作用。本次通过对长春市开发区主要路段行道树进行实地调查，结果表明：长春市开发区行道树共有6科7属9种，其中国槐的多度、频度、重要值等多项指标均为最高，分别为582株，频度63.64%，重要值是37.98，其他树种重要值均不超过15，在此以重要值超过7的为主要分析对象。调查区域内总平均树高为6.88m，高度处于4—7m之间的树木最多，占总数的49.02%。分析调查结果得出开发区行道树多数属于青年树种，行道树存在乡土树种运用较少，道路绿化存在种类单一，地方特色不够明显，缺乏色彩与季相变化等问题，并在文章最后提出改变当前现状、丰富行道树种的对策和建议。关键词：行道树城市景观城市生态环境AbstractAsthebackboneofurbanlandscaping,streettreeplaysaveryimportantroleincreatinggracefulcityviewandimprovingurbanecologicalenvironment.Inthisthesis,startingfromthestreettreefieldinvestigationinChangchunDevelopmentZone,viaqualitativeandquantitativeanalysisofvarieties,quantities,treespeciesstructureandgrowthofstreettrees,findingoutthereare6families7genusesand9speciesofthestreettreeinsurveyedarea.Amongtheminabundance,frequency,importancevalueoftheindexeswerethehighest,respectively582strains,frequency63.64%,importantvalueisashighas37.98,otherspeciesimportancevaluedoesnotexceed15,thisanalysisofimportantvalueofmorethan7ofthedominanttreespecies.Thesurveyareatotalaveragetreeheightis6.88m,heightisbetween4mto7mtreesthemost,accountingfor49.02%ofthetotal.TosumuptheDevelopmentZonetreesmostconclusionbelongstotheyoungtreespecies,ecologicalsystemthroughlategrowthdevelopmentzonewillbecomemoreperfect.Therearesomeproblemssuchaslackingofdomestictreespeciesplanning,plantspeciestoosingleandlackingoflocalcharacteristics,meanwhilethecolorsofstreettreecannotresponsesthechangeofseasons.Attheendofthethesis,regardingtotheanalysisoftheaboveproblems,provideCountermeasureandsuggestiontoimprovecurrentsituationandrichstreettreespecies.Keywords：Streettree;cityview;urbanecologicalenvironment;目录摘要...................................................................IAbstract...........................................................................................................................................II前言..............................................................................................................................................-1-1概况...........................................................................................................................................-2-1.1长春市概况............................................................................................................................-2-1.2开发区概况............................................................................................................................-2-1.3地形地貌及气候....................................................................................................................-2-2研究方法...................................................................................................................................-2-2.1调查内容................................................................................................................................-2-2.2调查方法及数据处理..................................................
