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Conference Paper: Are changes in N:P ratios in coastal waters the key to increased red tide blooms?

TitleAre changes in N:P ratios in coastal waters the key to increased red tide blooms?
Authors
KeywordsAlgal blooms
Bloom
Coastal waters
N:P ratio
Nitrogen
Issue Date1997
PublisherSpringer Verlag Dordrecht. The Journal's web site is located at http://springerlink.metapress.com/openurl.asp?genre=journal&issn=0018-8158
Citation
Asia-Pacific Conference on Science and Management of Coastal Environment, Hong Kong, 25-28 JUN 1996. In Hydrobiologia, 1997, v. 352 n. 1, p. 141-147 How to Cite?
AbstractThere is mounting evidence of a global increase in nutrient levels of coastal waters through riverine and sewage inputs, and in both the numbers and frequency(as well as the species composition) of red tides. However, it is still not possible to conclude the extent to which the increase in red tides in coastal waters can be attributed to the increase in nutrient levels, since so many other factors are involved. Undoubtedly, a relationship exists between red tides and the N and P load of coastal waters, and many nutrient enrichment experiments have shown that marine phytoplankton blooms are often nutrient limited. What is now becoming clear, however, is that although in classical Liebigian terms minimum amounts can be limiting, nutrient ratios (such as N:P and Si:P) are far more important regulators. This paper reviews evidence collected by the authors from Tolo Harbour, Hong Kong together with data collected in Japanese and North European coastal waters by various authors, which indicates that both long term and relatively short term changes in the N:P ratio are accompanied by increased blooms of non-siliceous phytoplankton groups and, furthermore,that the growth of most red tide causative organisms in Hong Kong coastal water is optimized at a low N:P(atomic) ratio of between 6 and 15.
Persistent Identifierhttp://hdl.handle.net/10722/223683
ISSN
2015 Impact Factor: 2.051
2015 SCImago Journal Rankings: 1.043
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorHodgkiss, IJ-
dc.contributor.authorHo, KC-
dc.date.accessioned2016-03-04T04:44:02Z-
dc.date.available2016-03-04T04:44:02Z-
dc.date.issued1997-
dc.identifier.citationAsia-Pacific Conference on Science and Management of Coastal Environment, Hong Kong, 25-28 JUN 1996. In Hydrobiologia, 1997, v. 352 n. 1, p. 141-147-
dc.identifier.issn0018-8158-
dc.identifier.urihttp://hdl.handle.net/10722/223683-
dc.description.abstractThere is mounting evidence of a global increase in nutrient levels of coastal waters through riverine and sewage inputs, and in both the numbers and frequency(as well as the species composition) of red tides. However, it is still not possible to conclude the extent to which the increase in red tides in coastal waters can be attributed to the increase in nutrient levels, since so many other factors are involved. Undoubtedly, a relationship exists between red tides and the N and P load of coastal waters, and many nutrient enrichment experiments have shown that marine phytoplankton blooms are often nutrient limited. What is now becoming clear, however, is that although in classical Liebigian terms minimum amounts can be limiting, nutrient ratios (such as N:P and Si:P) are far more important regulators. This paper reviews evidence collected by the authors from Tolo Harbour, Hong Kong together with data collected in Japanese and North European coastal waters by various authors, which indicates that both long term and relatively short term changes in the N:P ratio are accompanied by increased blooms of non-siliceous phytoplankton groups and, furthermore,that the growth of most red tide causative organisms in Hong Kong coastal water is optimized at a low N:P(atomic) ratio of between 6 and 15.-
dc.languageeng-
dc.publisherSpringer Verlag Dordrecht. The Journal's web site is located at http://springerlink.metapress.com/openurl.asp?genre=journal&issn=0018-8158-
dc.relation.ispartofHydrobiologia-
dc.rightsThe final publication is available at Springer via http://dx.doi.org/10.1023/A:1003046516964-
dc.subjectAlgal blooms-
dc.subjectBloom-
dc.subjectCoastal waters-
dc.subjectN:P ratio-
dc.subjectNitrogen-
dc.titleAre changes in N:P ratios in coastal waters the key to increased red tide blooms?-
dc.typeConference_Paper-
dc.identifier.emailHodgkiss, IJ: hodgkiss@hkucc.hku.hk-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1023/A:1003046516964-
dc.identifier.scopuseid_2-s2.0-0030780793-
dc.identifier.hkuros31585-
dc.identifier.volume352-
dc.identifier.issue1-
dc.identifier.spage141-
dc.identifier.epage147-
dc.identifier.isiWOS:A1997YK76300015-
dc.publisher.placeNetherlands-

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