第50卷第2期2023年6月福建林业科技JourofFujianForestrySciandTechVol.50No.2Jun.,2023doi:10.13428/j.cnki.fjlk.2023.02.009公路边坡建植类芦20a后植物群落特征分析傅卫民,许建新(深圳技师学院,广东深圳518116)摘要:采用样地调查法,对深圳市大鹏新区坪西公路雷公山隧道与迭福山隧道段东侧边坡,采用“挂网喷附客土+类芦种子喷播”的方式进行坡面植被建植20a后的植物群落进行调查分析。结果表明:坡面植物种类显著增加,由刚喷播时的1种植物增加至48种植物,隶属于30科44属,包括阳性植物26种、阴性植物10种和中性植物12种。边坡植物群落组成趋于复杂,由类芦单一种群,演替发展到以类芦(Neyraudiareynaudiana)为优势种,野牡丹(Melastomacandidum)、盐肤木(Rhuschinensis)、毛棯(Melastomasanguineum)等其它47种植物为伴生种的复杂植物群落。边坡植物群落结构由单一结构片层发展到4个结构片层,木本植物多样性明显高于草本植物,有利于边坡植被的稳定发展。关键词:类芦;边坡绿化;群落特征;植物多样性中图分类号:S718.57文献标识码:A文章编号:1002-7351(2023)02-0047-06AnalysisofPlantCommunityCharacteristicsofNeyraudiareynaudianainHighwaySlopeAfter20YearsofSlopeGreeningFUWeimin,XUJianxin(ShenzhenInstituteofTechnology,Shezhen518116,Guangdong,China)Abstract:Inthisstudy,thecharacteristicsofNeyraudiareynaudianacommunityintheslopeofPingxiHighwaywerecomparedbythesampleplotinvestigationafter20yearsofslopegreening.TheslopeislocatedontheeastsideofthehighwaybetweenLeigongs-hanTunnelandDeifushanTunnelinDapengNewArea,Shenzhen.Intheprocessofslopegreening,thewiremeshwasusedasthebottomlayer,andthensprayedwiththesoilandtheseedsofNeyraudiareynaudiana.Theresultsshowthat:After20yearsofrestora-tion,theplantspeciesoftheslopebecamemoreabundant,increasingfrom1speciesto48species,belongingto30familiesand44genera.Accordingtoecotypes,the48plantscouldbedividedto26heliophytespecies,10sciophytespecies,and12neutralplants.Theplantspeciescompositionoftheslopebecamemorecomplex.TheplantcommunityhaddevelopedfromasinglespeciescommunityofNeyraudiareynaudianatoacomplexplantcommunitywhichincludedNeyraudiareynaudianaasdominantspecies,oth-er47naturalregenerat...