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dc.contributor.authorGraham, Jones-
dc.contributor.authorCurran, Mark-
dc.contributor.authorBroadbent, Andrew-
dc.contributor.authorKing, Stacey-
dc.contributor.authorFischer, Esther-
dc.contributor.authorJones, Rosemary-
dc.date.accessioned2018-07-04T14:10:14Z-
dc.date.available2018-07-04T14:10:14Z-
dc.date.issued2007-
dc.identifier.issn1448-2517de_CH
dc.identifier.issn1449-8979de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/7569-
dc.description.abstractA study of dissolved dimethylsulfide (DMSw), dissolved and particulate dimethylsulfoniopropionate (DMSPd, DMSPp), and atmospheric dimethylsulfide (DMSa) was carried out at two inshore fringing coral reefs (Orpheus Island and Magnetic Island) in the Great Barrier Reef (GBR) to investigate the variation of these organosulfur substances with season, sea surface temperature, tides, and time of day. Highest concentrations of these organosulfur substances occurred in the summer months at both reefs, with lowest concentrations occurring during winter, suggesting a biological source of these compounds from the reef flats. At the Orpheus Island reef, where more measurements were made, DMSw and DMSPd were significantly correlated with tidal height during the flooding tide over the reef (r = 0.37, P < 0.05; r = 0.58, P < 0.01 respectively), and elevated DMSw and DMSa concentrations generally occurred in the daylight hours, possibly reflecting photosynthetic production of DMSw from the reef flats. Chamber experiments with the staghorn coral Acropora formosa confirmed that corals produce DMSw in the day. DMSw (r = 0.43, P < 0.001) and DMSPd (r = 0.59, P < 0.001) were significantly positively correlated with sea surface temperatures (SST) at the Orpheus Island reef. During severe coral bleaching at the eutrophic Magnetic Island reef in the summer, DMSw concentrations decreased at SSTs greater than 30°C, suggesting that reef production of DMSw decreases during elevated SSTs. This was later confirmed in chamber experiments with Acropora formosa, which showed that when this coral was exposed to temperatures at its bleaching threshold (31°C), decreased production of DMSw occurred. These results suggest that DMS and DMSP in coral zooxanthellae may be functioning as antioxidants, but further experiments are needed to substantiate this.de_CH
dc.language.isoende_CH
dc.publisherCSIRO Publishingde_CH
dc.relation.ispartofEnvironmental Chemistryde_CH
dc.rightsLicence according to publishing contractde_CH
dc.subjectAtmospheric ecologyde_CH
dc.subjectCoral bleachingde_CH
dc.subject.ddc577: Ökologiede_CH
dc.titleFactors affecting the cycling of dimethylsulfide and dimethylsulfoniopropionate in coral reef waters of the Great Barrier Reefde_CH
dc.typeBeitrag in wissenschaftlicher Zeitschriftde_CH
dcterms.typeTextde_CH
zhaw.departementLife Sciences und Facility Managementde_CH
zhaw.organisationalunitInstitut für Umwelt und Natürliche Ressourcen (IUNR)de_CH
dc.identifier.doi10.1071/EN06065de_CH
zhaw.funding.euNode_CH
zhaw.issue5de_CH
zhaw.originated.zhawNode_CH
zhaw.pages.end322de_CH
zhaw.pages.start310de_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.volume4de_CH
zhaw.publication.reviewPeer review (Publikation)de_CH
zhaw.webfeedPhytomedizinde_CH
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Graham, J., Curran, M., Broadbent, A., King, S., Fischer, E., & Jones, R. (2007). Factors affecting the cycling of dimethylsulfide and dimethylsulfoniopropionate in coral reef waters of the Great Barrier Reef. Environmental Chemistry, 4(5), 310–322. https://doi.org/10.1071/EN06065
Graham, J. et al. (2007) ‘Factors affecting the cycling of dimethylsulfide and dimethylsulfoniopropionate in coral reef waters of the Great Barrier Reef’, Environmental Chemistry, 4(5), pp. 310–322. Available at: https://doi.org/10.1071/EN06065.
J. Graham, M. Curran, A. Broadbent, S. King, E. Fischer, and R. Jones, “Factors affecting the cycling of dimethylsulfide and dimethylsulfoniopropionate in coral reef waters of the Great Barrier Reef,” Environmental Chemistry, vol. 4, no. 5, pp. 310–322, 2007, doi: 10.1071/EN06065.
GRAHAM, Jones, Mark CURRAN, Andrew BROADBENT, Stacey KING, Esther FISCHER und Rosemary JONES, 2007. Factors affecting the cycling of dimethylsulfide and dimethylsulfoniopropionate in coral reef waters of the Great Barrier Reef. Environmental Chemistry. 2007. Bd. 4, Nr. 5, S. 310–322. DOI 10.1071/EN06065
Graham, Jones, Mark Curran, Andrew Broadbent, Stacey King, Esther Fischer, and Rosemary Jones. 2007. “Factors Affecting the Cycling of Dimethylsulfide and Dimethylsulfoniopropionate in Coral Reef Waters of the Great Barrier Reef.” Environmental Chemistry 4 (5): 310–22. https://doi.org/10.1071/EN06065.
Graham, Jones, et al. “Factors Affecting the Cycling of Dimethylsulfide and Dimethylsulfoniopropionate in Coral Reef Waters of the Great Barrier Reef.” Environmental Chemistry, vol. 4, no. 5, 2007, pp. 310–22, https://doi.org/10.1071/EN06065.


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