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Conference Paper: Influence of the biomass content in sediment on the sediment nutrient flux for a pulsed organic load

TitleInfluence of the biomass content in sediment on the sediment nutrient flux for a pulsed organic load
Authors
KeywordsBiomass
Dissolved oxygen (DO)
Eutrophication
Sediment nutrient flux
Sediment oxygen demand (SOD)
Sediment pollution
Marine water quality
Issue Date2007
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/marpolbul
Citation
The 5th International Conference on Marine Pollution and Ecotoxicology, Hong Kong, 3-6 June 2007. In Marine Pollution Bulletin, 2008, v. 57 n. 6-12, p. 681–688 How to Cite?
AbstractA laboratory study was carried out to investigate the influence of the biomass content in the sediment on the rate of diagenesis of particulate organic materials (POM) and the consequent sediment oxygen demand (SOD) and nutrient fluxes. Fish food pellets were loaded into the sediment to simulate a sudden POM input. Three types of sediments with different biomass contents were tested, including a raw marine sediment, the marine sediment after one month of cultivation and an artificial sediment of sand and clay without any biomass. There was little difference in organic flux from the three different sediments. However, compared to the artificial sediment, the marine sediments had much higher SOD and ammonia flux. A mathematical model also has been developed for the SOD dynamics and nutrient fluxes. Both the experimental and simulation results indicate the important role of the biomass in the sediment in POM diagenesis, SOD and nutrient fluxes.
Persistent Identifierhttp://hdl.handle.net/10722/110972
ISSN
2015 Impact Factor: 3.099
2015 SCImago Journal Rankings: 1.264

 

DC FieldValueLanguage
dc.contributor.authorWang, Yen_HK
dc.contributor.authorLi, XYen_HK
dc.contributor.authorLee, JHWen_HK
dc.date.accessioned2010-09-26T02:29:04Z-
dc.date.available2010-09-26T02:29:04Z-
dc.date.issued2007en_HK
dc.identifier.citationThe 5th International Conference on Marine Pollution and Ecotoxicology, Hong Kong, 3-6 June 2007. In Marine Pollution Bulletin, 2008, v. 57 n. 6-12, p. 681–688-
dc.identifier.issn0025-326X-
dc.identifier.urihttp://hdl.handle.net/10722/110972-
dc.description.abstractA laboratory study was carried out to investigate the influence of the biomass content in the sediment on the rate of diagenesis of particulate organic materials (POM) and the consequent sediment oxygen demand (SOD) and nutrient fluxes. Fish food pellets were loaded into the sediment to simulate a sudden POM input. Three types of sediments with different biomass contents were tested, including a raw marine sediment, the marine sediment after one month of cultivation and an artificial sediment of sand and clay without any biomass. There was little difference in organic flux from the three different sediments. However, compared to the artificial sediment, the marine sediments had much higher SOD and ammonia flux. A mathematical model also has been developed for the SOD dynamics and nutrient fluxes. Both the experimental and simulation results indicate the important role of the biomass in the sediment in POM diagenesis, SOD and nutrient fluxes.-
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/marpolbul-
dc.relation.ispartofMarine Pollution Bulletinen_HK
dc.subjectBiomass-
dc.subjectDissolved oxygen (DO)-
dc.subjectEutrophication-
dc.subjectSediment nutrient flux-
dc.subjectSediment oxygen demand (SOD)-
dc.subjectSediment pollution-
dc.subjectMarine water quality-
dc.titleInfluence of the biomass content in sediment on the sediment nutrient flux for a pulsed organic loaden_HK
dc.typeConference_Paperen_HK
dc.identifier.emailLi, XY: xlia@hkucc.hku.hken_HK
dc.identifier.emailLee, JHW: hreclhw@hku.hken_HK
dc.identifier.authorityLi, XY=rp00222en_HK
dc.identifier.authorityLee, JHW=rp00061en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.marpolbul.2007.12.016-
dc.identifier.hkuros132070en_HK

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