Niche partitioning of intertidal seagrasses: evidence of the influence of substrate temperature

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dc.contributor.authorCampbell, Marnie L.en_NZ
dc.contributor.authorHeppenstall, Lara D.en_NZ
dc.contributor.authorHendry, Rebeccaen_NZ
dc.contributor.authorMartin, Rossen_NZ
dc.contributor.authorSorensen, Stineen_NZ
dc.contributor.authorRubenstein, Ashley N.en_NZ
dc.contributor.authorHewitt, Chad L.en_NZ
dc.date.accessioned2018-06-25T02:21:26Z
dc.date.available2018-03-01en_NZ
dc.date.available2018-06-25T02:21:26Z
dc.date.issued2018en_NZ
dc.description.abstract• The influence of soil temperature on rhizome depths of four intertidal seagrass species was investigated in central Queensland, Australia. We postulated that certain intertidal seagrass species are soil temperature‐sensitive and vertically stratify rhizome depths. • Below‐ground vertical stratification of intertidal seagrass rhizome depths was analysed based upon microclimate (soil temperature) and microhabitat (soil type). • Soil temperature profiles exhibited heat transfer from surface layers to depth that varied by microhabitat, with vertical stratification of rhizome depths between species. Halodule uninervis rhizomes maintain a narrow median soil temperature envelope; compensating for high surface temperatures by occupying deeper, cooler soil substrates. Halophila decipiens, Halophila ovalis and Zostera muelleri rhizomes are shallow‐rooted and exposed to fluctuating temperatures, with broader median temperature envelopes. Halodule uninervis appears to be a niche specialist, with the two Halophila species considered as generalist niche usage species. • The implications of niche use based upon soil temperature profiles and rhizome rooting depths are discussed in the context of species’ thermal tolerances and below‐ground biomass O₂ demand associated with respiration and maintenance of oxic microshields. This preliminary evidence suggests that soil temperature interaction with rhizome rooting depths may be a factor that influences the distribution of intertidal seagrasses.
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dc.identifier.citationCampbell, M. L., Heppenstall, L. D., Hendry, R., Martin, R., Sorensen, S., Rubenstein, A. N., & Hewitt, C. L. (2018). Niche partitioning of intertidal seagrasses: evidence of the influence of substrate temperature. New Phytologist, 217(4), 1449–1462. https://doi.org/10.1111/nph.14944en
dc.identifier.doi10.1111/nph.14944en_NZ
dc.identifier.eissn1469-8137en_NZ
dc.identifier.issn0028-646Xen_NZ
dc.identifier.urihttps://hdl.handle.net/10289/11910
dc.language.isoenen_NZ
dc.publisherWILEYen_NZ
dc.relation.isPartOfNew Phytologisten_NZ
dc.rights© 2017 The Authors
dc.subjectScience & Technologyen_NZ
dc.subjectLife Sciences & Biomedicineen_NZ
dc.subjectPlant Sciencesen_NZ
dc.subjectclimate impactsen_NZ
dc.subjectniche separationen_NZ
dc.subjectphytotoxinsen_NZ
dc.subjectrooting depthen_NZ
dc.subjectseagrass restorationen_NZ
dc.subjectsoil temperatureen_NZ
dc.subjectthermal toleranceen_NZ
dc.subjectvertical stratificationen_NZ
dc.subjectZOSTERA-MARINA Len_NZ
dc.subjectRADIAL OXYGEN LOSSen_NZ
dc.subjectTROPICAL SEAGRASSen_NZ
dc.subjectCHLOROPHYLL FLUORESCENCEen_NZ
dc.subjectTHALASSIA-TESTUDINUMen_NZ
dc.subjectINTERNAL AERATIONen_NZ
dc.subjectHALOPHILA-OVALISen_NZ
dc.subjectROOT-ZONEen_NZ
dc.subjectGROWTHen_NZ
dc.subjectSEDIMENTen_NZ
dc.titleNiche partitioning of intertidal seagrasses: evidence of the influence of substrate temperatureen_NZ
dc.typeJournal Article
pubs.begin-page1449
pubs.elements-id215994
pubs.end-page1462
pubs.issue4en_NZ
pubs.organisational-group/Waikato
pubs.organisational-group/Waikato/2018 PBRF
pubs.organisational-group/Waikato/FSEN
pubs.organisational-group/Waikato/FSEN/2018 PBRF - FSEN
pubs.organisational-group/Waikato/FSEN/Faculty of Science and Engineering Office
pubs.organisational-group/Waikato/FSEN/FSEN Associate Deans
pubs.organisational-group/Waikato/FSEN/FSEN Associate Deans/2018 PBRF - FSEN Associate Deans
pubs.organisational-group/Waikato/Staff
pubs.publication-statusPublisheden_NZ
pubs.user.infoHewitt, Chad (chewitt@waikato.ac.nz)
pubs.volume217en_NZ
uow.verification.statusverified
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