Abundance and species composition of non-geniculate coralline red algae epiphytic on the South African populations of the rocky shore seagrass Thalassodendron leptocaule M.C. Duarte, Bandeira & Romeiras

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dc.contributor.authorBrowne, Catherine M.
dc.contributor.authorManeveldt, Gavin
dc.contributor.authorBolton, John J.
dc.contributor.authorAnderson, Robert J.
dc.date.accessioned2014-01-30T14:17:43Z
dc.date.available2014-01-30T14:17:43Z
dc.date.issued2013
dc.description.abstractSeagrasses support a great diversity of epiphytic organisms and new research has shown that non-geniculate coralline red algae are important occupiers of space on the fronds of seagrasses. Except for a few scant records, there are no detailed published accounts of non-geniculate coralline algae epiphytic on seagrasses in South Africa. The seagrass Thalassodendron leptocaule (previously known as Thalassodendron ciliatum) is unique among southern African seagrasses in that it occurs on exposed rocky outcrops along the Mozambique and north eastern South African coast; most other seagrasses are restricted to sheltered bays and estuaries. Here we present descriptions of three species of non-geniculate coralline red algae which we have identified growing epiphytically on this seagrass in northern KwaZulu-Natal: Hydrolithon farinosum, Pneophyllum amplexifrons and Synarthrophyton patena. Two of the corallines (P. amplexifrons and S. patena) were restricted to the seagrass' stems while the third (H. farinosum) occurred only on the leaves. Of the three coralline epiphytes, P. amplexifrons contributed most to the biomass (average wet weight per plant 0.6±1.18 g); its wet weight, however, varied between habitats. Hydrolithon farinosum and other smaller turf algae amounted to no more than 0.1 g (wet weight) per leaf. Synarthrophyton patena was far more sparsely evident and contributed to less than 0.1 g (wet weight) per stem. Pneophyllum amplexifrons and H. farinosum appear to be pioneer epiphytes and form additional surfaces onto which other seaweed epiphytes attach and grow. Distribution of these epiphytes is explained by the longevity of the stems and leaves of the seagrass.en_US
dc.description.accreditationWeb of Scienceen_US
dc.identifier.citationBrowne, C.M., et al. (2013). Abundance and species composition of non-geniculate coralline red algae epiphytic on the South African populations of the rocky shore seagrass Thalassodendron leptocaule M.C. Duarte, Bandeira & Romeiras. South African Journal of Botany, 86: 101-110en_US
dc.identifier.issn0254-6299
dc.identifier.urihttp://hdl.handle.net/10566/985
dc.language.isoenen_US
dc.privacy.showsubmitterfalse
dc.publisherElsevieren_US
dc.rightsThis is the author postprint version of an article published by Elsevier.
dc.source.urihttp://dx.doi.org/10.1016/j.sajb.2013.02.173
dc.status.ispeerreviewedtrue
dc.subjectSodwana Bayen_US
dc.subjectRocky shoreen_US
dc.subjectHydrolithon farinosumen_US
dc.subjectPneophyllum amplexifronsen_US
dc.subjectSynarthrophyton patenaen_US
dc.titleAbundance and species composition of non-geniculate coralline red algae epiphytic on the South African populations of the rocky shore seagrass Thalassodendron leptocaule M.C. Duarte, Bandeira & Romeirasen_US
dc.typeArticleen_US

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Research Articles (Biodiversity and Conservation Biology)
Prof. Gavin Maneveldt