第42卷第5期2023年10月·生态环境·景海高速公路高陡岩质边坡生态重建效果分析高杨"，李卓²，段霄祥'，白忠稀"，李世玉²（1．云南交投生态环境工程有限公司，昆明650118；2.云南大学生态与环境学院暨云南省高原山地生态与退化环境修复重点实验室，昆明650091）摘要：高速公路建设中一些深挖的岩质地段，通常会出现生态修复困难的高陡岩质边坡，用传统的修复方式很难成功复绿，研发出能成功修复这些边坡的技术对“美丽公路”建设具有重要意义。针对采用传统液压喷播边坡绿化技术不能修复的景海高速公路高陡岩质边坡进行生态修复攻关。分析了该高陡岩质边坡的立地条件，发现其土壤pH<2、多种有毒有害元素污染严重、岩石上基本没有土壤、坡度>45度，立地条件极端恶劣。我们用改进了的植生袋并配合植物选择和工艺种植技术进行生态重建。结果表明，工程实施14个月，成功将植被盖度恢复到98%以上，与周边自然系统相当，形成较稳定的群落结构，完成了攻关。结果为公路边坡绿化的可持续性发展提供科技支持，为科学合理开展困难地区边坡绿化与生态修复提供技术案例。关键词：高陡岩质边坡；边坡绿化；生态修复；植被修复；植物配置中图分类号：X171.4AnalysisofEcologicalReconstructionEffectofHighandSteepRockSlopeinJinghaiHighwayGAOYang',LIZhuo°,DUANXiao-xiang',BAIZhong-xi',LIShi-yu?(1.YunnanTradingEco-EnvironmentalEngineeringCo.,Ltd.,Kunming650118,China;2.SchoolofEcology&EnvironmentalScience&YunnanKeyLaboratoryforPlateauMountainEcology&RestorationofDegradedEnvironments,YunnanUniversity,Kunming650091,China)Abstract:Insomedeeplyexcavatedrockysectionsinhighwayconstruction,thereareusuallyhighandsteeprockyslopesthataredfficulttorestoretheirecologicalfunctions,whicharedifficulttoberestoredbytraditionalrestorationmethods,itisofgreatsignificancetodeveloptechnologiesthatcansuccessfullyrestoretheseslopesfortheconstructionof"BeautifulHighway".Inthisstudy,theecologicalrestorationofthehighandsteeprockyslopesofJinghaihighway,whichcannotberestoredbythetraditionalhydraulicsprayingtechnology,wasstudied.Thesiteconditionsofthehighandsteeprockslopewereanalyzed,anditisfoundthatthesoilpHislowerthan2,thepollutionofvarioustoxicandharmfulelementsisserious,thereisbasicallynosoilonthe...
