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Article: Impacts of intensive urbanization on trees in Hong Kong

TitleImpacts of intensive urbanization on trees in Hong Kong
Authors
KeywordsTree management
Tree preservation
Urban ecology
Urban forestry
Urban trees
Issue Date1998
PublisherCambridge University Press. The Journal's web site is located at http://journals.cambridge.org/action/displayJournal?jid=ENC
Citation
Environmental Conservation, 1998, v. 25 n. 2, p. 146-159 How to Cite?
AbstractTrees in cities face a severe limitation of plantable space and an exceptionally stressful growing environment. In Hong Kong, shortage of developable land has relegated trees to a lower priority and intensified urban impacts on them, relative to other cities. The vicissitudes of urban growth and trees since the founding of Hong Kong are reviewed, and eleven specific conflicts between urbanization and trees in Hong Kong are described. Redevelopment of existing buildings has raised site coverage by impervious surface and taken away ground-level planting space within and around affected lots. Infilling of relatively low-density areas mainly for government and institutional land-uses has increased development density and removed existing greenery and planting spaces. Road construction and improvement has widely damaged roadside trees and removed valuable and conspicuous greenery. Proliferation of underground utilities has fuelled the contest for usable space and precluded planting in many places. Widespread and frequent roadside trenching, associated with utilities and the laying of cable television and telecommunication networks has incurred massive root damage at roadsides. Poor soil quality commonly beset by chemical and physical constraints has caused chronic poor tree performance. Intrusion into urban parks and other green enclaves by buildings and roads has usurped the limited stock of green spaces. Encroachment into peri-urban woodlands has deprived the city of fringing mature greenery with conservation, landscape and amenity worth. Plantable space in reclaimed lands has been intensively used with inadequate allocation for trees. Protection and preservation of champion specimens has lacked statutory means and a coordinated policy. Reinforcement and demolition of stone walls has destroyed many large trees on unique mural habitats. Quality of arboricultural practice is poor, particularly in the private sector. Possible solutions to these limitations in Hong Kong are suggested, and have implications for other cities facing similar problems.
Persistent Identifierhttp://hdl.handle.net/10722/45462
ISSN
2015 Impact Factor: 2.235
2015 SCImago Journal Rankings: 1.090
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorJim, CYen_HK
dc.date.accessioned2007-10-30T06:26:26Z-
dc.date.available2007-10-30T06:26:26Z-
dc.date.issued1998en_HK
dc.identifier.citationEnvironmental Conservation, 1998, v. 25 n. 2, p. 146-159en_HK
dc.identifier.issn0376-8929en_HK
dc.identifier.urihttp://hdl.handle.net/10722/45462-
dc.description.abstractTrees in cities face a severe limitation of plantable space and an exceptionally stressful growing environment. In Hong Kong, shortage of developable land has relegated trees to a lower priority and intensified urban impacts on them, relative to other cities. The vicissitudes of urban growth and trees since the founding of Hong Kong are reviewed, and eleven specific conflicts between urbanization and trees in Hong Kong are described. Redevelopment of existing buildings has raised site coverage by impervious surface and taken away ground-level planting space within and around affected lots. Infilling of relatively low-density areas mainly for government and institutional land-uses has increased development density and removed existing greenery and planting spaces. Road construction and improvement has widely damaged roadside trees and removed valuable and conspicuous greenery. Proliferation of underground utilities has fuelled the contest for usable space and precluded planting in many places. Widespread and frequent roadside trenching, associated with utilities and the laying of cable television and telecommunication networks has incurred massive root damage at roadsides. Poor soil quality commonly beset by chemical and physical constraints has caused chronic poor tree performance. Intrusion into urban parks and other green enclaves by buildings and roads has usurped the limited stock of green spaces. Encroachment into peri-urban woodlands has deprived the city of fringing mature greenery with conservation, landscape and amenity worth. Plantable space in reclaimed lands has been intensively used with inadequate allocation for trees. Protection and preservation of champion specimens has lacked statutory means and a coordinated policy. Reinforcement and demolition of stone walls has destroyed many large trees on unique mural habitats. Quality of arboricultural practice is poor, particularly in the private sector. Possible solutions to these limitations in Hong Kong are suggested, and have implications for other cities facing similar problems.en_HK
dc.format.extent261758 bytes-
dc.format.extent38930 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/pdf-
dc.languageengen_HK
dc.publisherCambridge University Press. The Journal's web site is located at http://journals.cambridge.org/action/displayJournal?jid=ENCen_HK
dc.relation.ispartofEnvironmental Conservationen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsEnvironmental Conservation. Copyright © Cambridge University Press.en_HK
dc.subjectTree managementen_HK
dc.subjectTree preservationen_HK
dc.subjectUrban ecologyen_HK
dc.subjectUrban forestryen_HK
dc.subjectUrban treesen_HK
dc.titleImpacts of intensive urbanization on trees in Hong Kongen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0376-8929&volume=25&issue=2&spage=146&epage=159&date=1998&atitle=Impacts+of+intensive+urbanization+on+trees+in+Hong+Kongen_HK
dc.identifier.emailJim, CY:hragjcy@hkucc.hku.hken_HK
dc.identifier.authorityJim, CY=rp00549en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1017/S0376892998000198en_HK
dc.identifier.scopuseid_2-s2.0-2642629707en_HK
dc.identifier.hkuros33801-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-2642629707&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume25en_HK
dc.identifier.issue2en_HK
dc.identifier.spage146en_HK
dc.identifier.epage159en_HK
dc.identifier.isiWOS:000074621100007-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridJim, CY=7006143750en_HK

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