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Conference Paper: Shallow marine ecological degradation in Hong Kong: a palaeoecological approach using ostracods

TitleShallow marine ecological degradation in Hong Kong: a palaeoecological approach using ostracods
Authors
KeywordsSciences: comprehensive works
Issue Date2013
PublisherSocieta Siciliana di Scienze Naturali.
Citation
The 17th International Symposium on Ostracoda (ISO 17), Roma, Italy, 23-26 July 2013. In Il Naturalista Siciliano, 2013, v. 37 n. 1, p. 169 How to Cite?
AbstractHong Kong is one of the largest and most rapidly developing cities in Asia. It is known that the marine ecosystems of Hong Kong have been seriously influenced by a variety of anthropogenic factors, including eutrophication, bottom trawling, coastal reclamation, pollution, etc. However, little is known about long-term history of such human-induced marine ecological degradation in Hong Kong. Here we use microfossil ostracod as a model system and compare among top-1-cm (representing live or recently dead assemblages) and whole (representing averaged state of assemblage for the past several decades) assemblages in grab samples and Holocene background assemblages in a long sediment core. Preliminary ostracod results showed that discrepancy between top-1-cm and whole assemblages is larger in urban sites and smaller in rural sites. Furthermore, species diversity of Holocene background assemblage was much higher than diversities in grab samples. Faunal composition of Holocene sample was also distinct from faunal assemblages of grab samples. These results clearly indicate serious ecological degradation during the past several decades, potentially reflecting recent humaninduced eutrophication. Full results will be shown in the presentation.
DescriptionConference Theme: Back to the Future
Scientific Session - Ostracoda as proxies for environmental monitoring and palaeoenvironmental reconstruction
Persistent Identifierhttp://hdl.handle.net/10722/187998
ISSN

 

DC FieldValueLanguage
dc.contributor.authorHong, Yen_US
dc.contributor.authorYasuhara, Men_US
dc.date.accessioned2013-08-21T07:24:44Z-
dc.date.available2013-08-21T07:24:44Z-
dc.date.issued2013en_US
dc.identifier.citationThe 17th International Symposium on Ostracoda (ISO 17), Roma, Italy, 23-26 July 2013. In Il Naturalista Siciliano, 2013, v. 37 n. 1, p. 169en_US
dc.identifier.issn0394-0063-
dc.identifier.urihttp://hdl.handle.net/10722/187998-
dc.descriptionConference Theme: Back to the Future-
dc.descriptionScientific Session - Ostracoda as proxies for environmental monitoring and palaeoenvironmental reconstruction-
dc.description.abstractHong Kong is one of the largest and most rapidly developing cities in Asia. It is known that the marine ecosystems of Hong Kong have been seriously influenced by a variety of anthropogenic factors, including eutrophication, bottom trawling, coastal reclamation, pollution, etc. However, little is known about long-term history of such human-induced marine ecological degradation in Hong Kong. Here we use microfossil ostracod as a model system and compare among top-1-cm (representing live or recently dead assemblages) and whole (representing averaged state of assemblage for the past several decades) assemblages in grab samples and Holocene background assemblages in a long sediment core. Preliminary ostracod results showed that discrepancy between top-1-cm and whole assemblages is larger in urban sites and smaller in rural sites. Furthermore, species diversity of Holocene background assemblage was much higher than diversities in grab samples. Faunal composition of Holocene sample was also distinct from faunal assemblages of grab samples. These results clearly indicate serious ecological degradation during the past several decades, potentially reflecting recent humaninduced eutrophication. Full results will be shown in the presentation.-
dc.languageengen_US
dc.publisherSocieta Siciliana di Scienze Naturali.-
dc.relation.ispartofIl Naturalista Sicilianoen_US
dc.subjectSciences: comprehensive works-
dc.titleShallow marine ecological degradation in Hong Kong: a palaeoecological approach using ostracodsen_US
dc.typeConference_Paperen_US
dc.identifier.emailYasuhara, M: yasuhara@hku.hken_US
dc.identifier.authorityYasuhara, M=rp01474en_US
dc.description.naturelink_to_OA_fulltext-
dc.identifier.hkuros219426en_US
dc.identifier.volume37-
dc.identifier.issue1-
dc.identifier.spage169-
dc.identifier.epage169-
dc.publisher.placeItaly-

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