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Article: Relationship between water quality, δ 15N, and aspergillosis of Caribbean sea fan corals

TitleRelationship between water quality, δ 15N, and aspergillosis of Caribbean sea fan corals
Authors
KeywordsΔ 15N
Aspergillosis
Disease
Gorgonia Ventalina
Nitrogen
Sea Fan Coral
Water Quality
Issue Date2007
PublisherInter-Research. The Journal's web site is located at http://www.int-res.com/journals/meps/index.html
Citation
Marine Ecology Progress Series, 2007, v. 343, p. 123-130 How to Cite?
AbstractIt has been hypothesized that excess nitrogen (N) contributes to coral reef decline by exacerbating the impact of disease. We tested the relationship between N concentration and the prevalence and severity of aspergillosis of the sea fan coral Gorgonia ventalina at 9 reefs along the Florida Keys Reef Tract. Quarterly water quality data, averaged over 1 and 4 yr prior to a disease survey, were used to examine whether aspergillosis dynamics reflected short- or long-term N concentrations. A positive relationship was detected between prevalence of aspergillosis and long-term total nitrogen (TN) concentration; in contrast, disease severity was positively related to the ratio between dissolved inorganic nitrogen and total phosphate (DIN:TP) over both short- and long-terms. These results may reflect the differential influence of N on the host and pathogen. We also tested whether N isotope analysis (δ 15N) of sea fan coral tissue and skeleton could be used to assess the relative exposure to anthropogenic N inputs and its impact on disease. There was no relationship between δ 15N and aspergillosis (either prevalence or severity). Furthermore, there was no relationship between δ 15N and environmental concentrations of N. It is possible that the source of N (e.g. anthropogenic) does not affect the dynamics of sea fan aspergillosis, or that the δ 15N signatures were suppressed by agricultural effluents and other N sources, thus confounding our analyses with disease. © Inter-Research 2007.
Persistent Identifierhttp://hdl.handle.net/10722/180727
ISSN
2015 Impact Factor: 2.361
2015 SCImago Journal Rankings: 1.554
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorBaker, DMen_US
dc.contributor.authorMacavoy, SEen_US
dc.contributor.authorKim, Ken_US
dc.date.accessioned2013-01-28T01:42:02Z-
dc.date.available2013-01-28T01:42:02Z-
dc.date.issued2007en_US
dc.identifier.citationMarine Ecology Progress Series, 2007, v. 343, p. 123-130en_US
dc.identifier.issn0171-8630en_US
dc.identifier.urihttp://hdl.handle.net/10722/180727-
dc.description.abstractIt has been hypothesized that excess nitrogen (N) contributes to coral reef decline by exacerbating the impact of disease. We tested the relationship between N concentration and the prevalence and severity of aspergillosis of the sea fan coral Gorgonia ventalina at 9 reefs along the Florida Keys Reef Tract. Quarterly water quality data, averaged over 1 and 4 yr prior to a disease survey, were used to examine whether aspergillosis dynamics reflected short- or long-term N concentrations. A positive relationship was detected between prevalence of aspergillosis and long-term total nitrogen (TN) concentration; in contrast, disease severity was positively related to the ratio between dissolved inorganic nitrogen and total phosphate (DIN:TP) over both short- and long-terms. These results may reflect the differential influence of N on the host and pathogen. We also tested whether N isotope analysis (δ 15N) of sea fan coral tissue and skeleton could be used to assess the relative exposure to anthropogenic N inputs and its impact on disease. There was no relationship between δ 15N and aspergillosis (either prevalence or severity). Furthermore, there was no relationship between δ 15N and environmental concentrations of N. It is possible that the source of N (e.g. anthropogenic) does not affect the dynamics of sea fan aspergillosis, or that the δ 15N signatures were suppressed by agricultural effluents and other N sources, thus confounding our analyses with disease. © Inter-Research 2007.en_US
dc.languageengen_US
dc.publisherInter-Research. The Journal's web site is located at http://www.int-res.com/journals/meps/index.htmlen_US
dc.relation.ispartofMarine Ecology Progress Seriesen_US
dc.subjectΔ 15Nen_US
dc.subjectAspergillosisen_US
dc.subjectDiseaseen_US
dc.subjectGorgonia Ventalinaen_US
dc.subjectNitrogenen_US
dc.subjectSea Fan Coralen_US
dc.subjectWater Qualityen_US
dc.titleRelationship between water quality, δ 15N, and aspergillosis of Caribbean sea fan coralsen_US
dc.typeArticleen_US
dc.identifier.emailBaker, DM: dmbaker@hku.hken_US
dc.identifier.authorityBaker, DM=rp01712en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.3354/meps06937en_US
dc.identifier.scopuseid_2-s2.0-34548461072en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-34548461072&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume343en_US
dc.identifier.spage123en_US
dc.identifier.epage130en_US
dc.identifier.isiWOS:000249163800013-
dc.publisher.placeGermanyen_US
dc.identifier.scopusauthoridBaker, DM=55449577100en_US
dc.identifier.scopusauthoridMacAvoy, SE=6603792595en_US
dc.identifier.scopusauthoridKim, K=7409325130en_US

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