Role of Trees in Urban Areas and Challenges of their Establishment

(整期优先)网络出版时间:2005-01-11
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Thetreesinurbanlandscapes,independentofwhethertheyareinurbanforestsorstandalone,canimproveenvironmentquality,enhanceinpidualandcommunitywell-being,provideawiderangeofservicestoinpidualsandcommunities,andproduceamorehealthfulandcomfortableenvironmentforthevastmajorityofthepopulation.Knowledgeofthepotentialsignificanceoftreesinurbanlandscapesisexpandingrapidlyasresearchcontinuestodocumenttheimportantrolethaturbanforestsandtreescanplayinimprovingthequalityofurbanlife.Theenvironmentalconditionsinurbanlandscapesare,however,verydifferentfromthenaturalconditionsthatthetreespeciesareadaptedto.Thisposesbigchallengestotheurbanforestryinitseffortstocreatehealthyandvaluabletreesinurbanlandscapes.Onlythroughimplementingsomeimportantmeasureswecanensurehighsurvivalrateofsaplingsandwell-beingandlongevityofurbantrees.