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dc.contributor.authorSheehan, Emma
dc.contributor.authorHosegood, Philip
dc.contributor.authorGame, C
dc.contributor.authorAttrill, Martin
dc.contributor.authorTickler, D
dc.contributor.authorWootton, M
dc.contributor.authorJohns, D
dc.contributor.authorMeeuwig, J
dc.date.accessioned2019-08-06T06:32:53Z
dc.date.issued2019-08-20
dc.identifier.issn2296-7745
dc.identifier.issn2296-7745
dc.identifier.other512
dc.identifier.urihttp://hdl.handle.net/10026.1/14751
dc.description.abstract

Within atolls, deep water channels exert significant control over local hydrodynamic conditions; which are important drivers of planktonic distributions. To examine planktonic responses to oceanography, this study tested the effect of proximity and exposure to deep oceanic flushing through these channels on water properties and planktonic assemblages across four atolls (Diego Garcia, Salomon, Egmont, and Peros Banhos) in the British Indian Ocean Territory Marine Reserve. As this is the largest, most isolated and sparsely inhabited atoll complex in the world, it provides the perfect experimental conditions to test the effect of oceanic flushing without confounding factors related to anthropogenic development. Results are discussed in the context of ecosystem functioning. A total of 30 planktonic taxa and 19,539 individuals were identified and counted. Abundance was significantly different between atolls and significantly greater within inner regions in all atolls except southeast Egmont. Planktonic assemblage composition significantly differed between atolls and between inner and outer stations; exhibiting higher similarity between outer stations. Within outer stations of Diego Garcia, Peros Banhos, and Egmont, evidence suggesting oceanic flushing of cold, saline, and dense water was observed, however a longer time series is required to conclusively demonstrate tidal forcing of this water through deep water channels. Planktonic variability between inner and outer atoll regions demonstrates that broad comparisons between oceanic and lagoon regions fail to capture the complex spatial dynamics and hydrodynamic interactions within atolls. Better comprehension of these distributional patterns is imperative to monitor ecosystem health and functioning, particularly due to increasing global anthropogenic pressures related to climate change. The extensive coral bleaching described in this paper highlights this concern.

dc.format.extent0-0
dc.language.isoen
dc.publisherFrontiers Media
dc.subjectplankton
dc.subjectChagos Archipelago
dc.subjectIndian Ocean
dc.subjectatoll
dc.subjectmarine protected area
dc.subjectexposure
dc.subjectoceanography
dc.subjectcoral bleaching
dc.titleThe effect of deep oceanic flushing on water properties and ecosystem functioning within atolls in the British Indian Ocean Territory
dc.typejournal-article
dc.typeJournal Article
plymouth.author-urlhttps://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000482483500001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=11bb513d99f797142bcfeffcc58ea008
plymouth.issue0
plymouth.volume6
plymouth.publication-statusPublished online
plymouth.journalFrontiers in Marine Science
dc.identifier.doi10.3389/fmars.2019.00512
plymouth.organisational-group/Plymouth
plymouth.organisational-group/Plymouth/Faculty of Science and Engineering
plymouth.organisational-group/Plymouth/Faculty of Science and Engineering/School of Biological and Marine Sciences
plymouth.organisational-group/Plymouth/PRIMaRE Publications
plymouth.organisational-group/Plymouth/REF 2021 Researchers by UoA
plymouth.organisational-group/Plymouth/REF 2021 Researchers by UoA/UoA07 Earth Systems and Environmental Sciences
plymouth.organisational-group/Plymouth/Research Groups
plymouth.organisational-group/Plymouth/Research Groups/Marine Institute
plymouth.organisational-group/Plymouth/Users by role
plymouth.organisational-group/Plymouth/Users by role/Academics
plymouth.organisational-group/Plymouth/Users by role/Researchers in ResearchFish submission
dcterms.dateAccepted2019-08-05
dc.rights.embargodate2019-8-28
dc.identifier.eissn2296-7745
dc.rights.embargoperiodNot known
rioxxterms.funderNatural Environment Research Council
rioxxterms.identifier.projectSAHFOS Continuous Plankton Recorder
rioxxterms.versionAccepted Manuscript
rioxxterms.versionofrecord10.3389/fmars.2019.00512
rioxxterms.licenseref.urihttp://www.rioxx.net/licenses/all-rights-reserved
rioxxterms.licenseref.startdate2019-08-20
rioxxterms.typeJournal Article/Review
plymouth.funderSAHFOS Continuous Plankton Recorder::Natural Environment Research Council


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