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Article: Relationship between water quality, δ 15N, and aspergillosis of Caribbean sea fan corals
Title | Relationship between water quality, δ 15N, and aspergillosis of Caribbean sea fan corals |
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Authors | |
Keywords | Δ 15N Aspergillosis Disease Gorgonia Ventalina Nitrogen Sea Fan Coral Water Quality |
Issue Date | 2007 |
Publisher | Inter-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? |
Abstract | It 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 Identifier | http://hdl.handle.net/10722/180727 |
ISSN | 2023 Impact Factor: 2.2 2023 SCImago Journal Rankings: 0.802 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Baker, DM | en_US |
dc.contributor.author | Macavoy, SE | en_US |
dc.contributor.author | Kim, K | en_US |
dc.date.accessioned | 2013-01-28T01:42:02Z | - |
dc.date.available | 2013-01-28T01:42:02Z | - |
dc.date.issued | 2007 | en_US |
dc.identifier.citation | Marine Ecology Progress Series, 2007, v. 343, p. 123-130 | en_US |
dc.identifier.issn | 0171-8630 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/180727 | - |
dc.description.abstract | It 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.language | eng | en_US |
dc.publisher | Inter-Research. The Journal's web site is located at http://www.int-res.com/journals/meps/index.html | en_US |
dc.relation.ispartof | Marine Ecology Progress Series | en_US |
dc.subject | Δ 15N | en_US |
dc.subject | Aspergillosis | en_US |
dc.subject | Disease | en_US |
dc.subject | Gorgonia Ventalina | en_US |
dc.subject | Nitrogen | en_US |
dc.subject | Sea Fan Coral | en_US |
dc.subject | Water Quality | en_US |
dc.title | Relationship between water quality, δ 15N, and aspergillosis of Caribbean sea fan corals | en_US |
dc.type | Article | en_US |
dc.identifier.email | Baker, DM: dmbaker@hku.hk | en_US |
dc.identifier.authority | Baker, DM=rp01712 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.3354/meps06937 | en_US |
dc.identifier.scopus | eid_2-s2.0-34548461072 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-34548461072&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 343 | en_US |
dc.identifier.spage | 123 | en_US |
dc.identifier.epage | 130 | en_US |
dc.identifier.isi | WOS:000249163800013 | - |
dc.publisher.place | Germany | en_US |
dc.identifier.scopusauthorid | Baker, DM=55449577100 | en_US |
dc.identifier.scopusauthorid | MacAvoy, SE=6603792595 | en_US |
dc.identifier.scopusauthorid | Kim, K=7409325130 | en_US |
dc.identifier.issnl | 0171-8630 | - |