Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/36269
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dc.contributor.authorJohnston, E.en
dc.contributor.authorConnell, S.en
dc.contributor.authorIrving, A.en
dc.contributor.authorPile, A.en
dc.contributor.authorGillanders, B.en
dc.date.issued2007en
dc.identifier.citationPolar Biology, 2007; 30(6):781-788en
dc.identifier.issn0722-4060en
dc.identifier.issn1432-2056en
dc.identifier.urihttp://hdl.handle.net/2440/36269-
dc.description.abstractStudies of east Antarctic marine assemblages on hard substrata are rare. In relation to sea-ice breakout, we assessed benthic patterns of habitat and inhabitants between islands and bays at each of two depths (6 and 12 m) across the Windmill Islands coast. Island sites experience sea-ice breakout in the austral spring, while bay sites typically retain sea-ice cover into the summer and in some places the cover is virtually permanent. Composition of assemblages differed between sheltered bays and exposed islands. Islands were dominated by macroalgae, which also varied with depth. Immediately below the ice–foot zone at 6 m, substratum space were monopolised by foliose red (Palmaria decipiens) and foliose brown (Desmarestia sp.) algae, whereas at 12 m large canopies of Himantothallus grandifolius was abundant. The understorey consisted of a mixture of turfs and encrusting red algae at 6 m, and coralline algae at 12 m. Sheltered bays had large areas of sediment/algal complex and no canopy-forming macroalgae. We found more sponges and hydroids in bays, and more brittle stars around islands. Experiments testing factors that covary with exposure and depth in Antarctica, such as light, sedimentation and ice scour are necessary to determine processes that maintain these striking patterns.en
dc.description.statementofresponsibilityEmma L. Johnston , Sean D. Connell, Andrew D. Irving, Adele J. Pile and Bronwyn M. Gillandersen
dc.language.isoenen
dc.publisherSpringer-Verlagen
dc.subjectRocky-coast; Macroalgae; Invertebrates; Ice-cover; Antarctica; community structure; Ice-sheetsen
dc.titleAntarctic patterns of shallow subtidal habitat and inhabitants in Wilke' s Landen
dc.typeJournal articleen
dc.provenanceReceived: 7 June 2006 Revised: 9 November 2006 Accepted: 19 November 2006 Published online: 19 December 2006en
dc.identifier.rmid0020070632en
dc.identifier.doi10.1007/s00300-006-0237-zen
dc.identifier.pubid48942-
pubs.library.collectionEarth and Environmental Sciences publicationsen
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
dc.identifier.orcidConnell, S. [0000-0002-5350-6852]en
dc.identifier.orcidGillanders, B. [0000-0002-7680-2240]en
Appears in Collections:Earth and Environmental Sciences publications
Environment Institute Leaders publications

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