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Article: Soil characteristics and management in an urban park in Hong Kong

TitleSoil characteristics and management in an urban park in Hong Kong
Authors
KeywordsHong Kong
Soil compaction
Soil management
Trampling impact
Urban park
Urban soil
Issue Date1998
PublisherSpringer New York LLC. The Journal's web site is located at http://link.springer.de/link/service/journals/00267/
Citation
Environmental Management, 1998, v. 22 n. 5, p. 683-695 How to Cite?
AbstractThe limited acreage of Hong Kong's urban parks receives a huge number of visitors, imposing a heavy strain on the soil base. Most parks show widespread trampling-induced soil degradation, such as bare patches and compaction. These symptoms erode the quality of amenity vegetation and recreational experience. Soil in the most popular park was studied through detailed field and laboratory analysis of six pits denoting different levels of user impacts. Soil profiles show unnatural stratification and poor structure of decomposed granite fill materials used in reclaiming the land from the sea. Marked compaction in surface layers is induced by foot-traffic pressure with aggregate breakdown and formation of platy structure. Compaction in subsoil layers is inherited from construction damage that persists 40 years after park opening. The predominantly coarse texture has been packed to high bulk densities exceeding the 1.75 Mg/m3 threshold. With diminished porosity, transmission of air and water, storage of plant- available moisture, and root growth suffer. Chemically, the samples have an unnatural alkaline pH; inadequate organic matter, nitrogen, phosphorus, exchangeable cations; and limited cation exchange capacity. The results can help park-soil management, including the need to evaluate soil in planned park sites, salvage high-grade soil parcels, prevent construction damage, ameliorate structure by mechanical operations and suitable amendments, and replace site soil of very poor quality. Edaphic problems can be forestalled or solved by treating soil as an integral component of park planning and management based on scientific principles and methods.
Persistent Identifierhttp://hdl.handle.net/10722/86120
ISSN
2015 Impact Factor: 1.857
2015 SCImago Journal Rankings: 0.830
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorJim, CYen_HK
dc.date.accessioned2010-09-06T09:13:07Z-
dc.date.available2010-09-06T09:13:07Z-
dc.date.issued1998en_HK
dc.identifier.citationEnvironmental Management, 1998, v. 22 n. 5, p. 683-695en_HK
dc.identifier.issn0364-152Xen_HK
dc.identifier.urihttp://hdl.handle.net/10722/86120-
dc.description.abstractThe limited acreage of Hong Kong's urban parks receives a huge number of visitors, imposing a heavy strain on the soil base. Most parks show widespread trampling-induced soil degradation, such as bare patches and compaction. These symptoms erode the quality of amenity vegetation and recreational experience. Soil in the most popular park was studied through detailed field and laboratory analysis of six pits denoting different levels of user impacts. Soil profiles show unnatural stratification and poor structure of decomposed granite fill materials used in reclaiming the land from the sea. Marked compaction in surface layers is induced by foot-traffic pressure with aggregate breakdown and formation of platy structure. Compaction in subsoil layers is inherited from construction damage that persists 40 years after park opening. The predominantly coarse texture has been packed to high bulk densities exceeding the 1.75 Mg/m3 threshold. With diminished porosity, transmission of air and water, storage of plant- available moisture, and root growth suffer. Chemically, the samples have an unnatural alkaline pH; inadequate organic matter, nitrogen, phosphorus, exchangeable cations; and limited cation exchange capacity. The results can help park-soil management, including the need to evaluate soil in planned park sites, salvage high-grade soil parcels, prevent construction damage, ameliorate structure by mechanical operations and suitable amendments, and replace site soil of very poor quality. Edaphic problems can be forestalled or solved by treating soil as an integral component of park planning and management based on scientific principles and methods.en_HK
dc.languageengen_HK
dc.publisherSpringer New York LLC. The Journal's web site is located at http://link.springer.de/link/service/journals/00267/en_HK
dc.relation.ispartofEnvironmental Managementen_HK
dc.subjectHong Kongen_HK
dc.subjectSoil compactionen_HK
dc.subjectSoil managementen_HK
dc.subjectTrampling impacten_HK
dc.subjectUrban parken_HK
dc.subjectUrban soilen_HK
dc.titleSoil characteristics and management in an urban park in Hong Kongen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0364-152X&volume=22&spage=683&epage=695&date=1998&atitle=Soil+characteristics+and+management+in+an+urban+park+in+Hong+Kongen_HK
dc.identifier.emailJim, CY:hragjcy@hkucc.hku.hken_HK
dc.identifier.authorityJim, CY=rp00549en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1007/s002679900139en_HK
dc.identifier.scopuseid_2-s2.0-0032171727en_HK
dc.identifier.hkuros42869en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0032171727&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume22en_HK
dc.identifier.issue5en_HK
dc.identifier.spage683en_HK
dc.identifier.epage695en_HK
dc.identifier.isiWOS:000075196600004-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridJim, CY=7006143750en_HK
dc.identifier.citeulike9789046-

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