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Gradients in the Number of Species at Reef-Seagrass Ecotones Explained by Gradients in Abundance

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dc.contributor Australian Institute Of Marine Science
dc.contributor Universidad De Las Palmas De Gran Canaria
dc.contributor Ctr Biodiversidad & Gest Ambiental
dc.contributor Edith Cowan University
dc.contributor Edith Cowan Univ
dc.contributor University Of Western Australia
dc.contributor Marine Sci Fac
dc.contributor Univ Western Australia
dc.contributor Commonwealth Scientific & Industrial Research Organisation (csiro)
dc.contributor Sch Plant Biol
dc.contributor Australian Inst Marine Sci
dc.contributor Univ Las Palmas Gran Canaria
dc.contributor Oceans Inst
dc.contributor Ctr Marine Ecosyst Res
dc.contributor Csiro Marine & Atmospher Res
dc.contributor Australian Institute Of Marine Science (aims) en
dc.contributor.author THOMSEN, MADS S.
dc.contributor.author TUYA, FERNANDO
dc.contributor.author VANDERKLIFT, MATHEW A.
dc.contributor.author WERNBERG, THOMAS
dc.date.accessioned 2013-02-28T06:52:54Z
dc.date.accessioned 2013-02-28T06:52:54Z
dc.date.accessioned 2017-03-21T01:20:58Z
dc.date.accessioned 2019-05-09T01:11:10Z
dc.date.available 2017-03-21T01:20:58Z
dc.date.available 2013-02-28T06:52:54Z
dc.date.available 2013-02-28T06:52:54Z
dc.date.available 2019-05-09T01:11:10Z
dc.date.issued 2011-05-24
dc.identifier 8842 en
dc.identifier.citation Tuya F, Vanderklift MA, Wernberg T and Thomsen MS (2011) Gradients in the Number of Species at Reef-Seagrass Ecotones Explained by Gradients in Abundance. PLoS ONE. 6: e20190. en
dc.identifier.issn 1932-6203
dc.identifier.uri http://epubs.aims.gov.au/11068/8842
dc.description Link to abstract/full text - http://dx.doi.org/10.1371/journal.pone.0020190 en
dc.description.abstract Gradients in the composition and diversity (e. g. number of species) of faunal assemblages are common at ecotones between juxtaposed habitats. Patterns in the number of species, however, can be confounded by patterns in abundance of individuals, because more species tend to be found wherever there are more individuals. We tested whether proximity to reefs influenced patterns in the composition and diversity ('species density' = number of species per area and 'species richness' = number of species per number of individuals) of prosobranch gastropods in meadows of two seagrasses with different physiognomy: Posidonia and Amphibolis. A change in the species composition was observed from reef-seagrass edges towards the interiors of Amphibolis, but not in Posidonia meadows. Similarly, the abundance of gastropods and species density was higher at edges relative to interiors of Amphibolis meadows, but not in Posidonia meadows. However, species richness was not affected by proximity to reefs in either type of seagrass meadow. The higher number of species at the reef-Amphibolis edge was therefore a consequence of higher abundance, rather than species richness per se. These results suggest that patterns in the composition and diversity of fauna with proximity to adjacent habitats, and the underlying processes that they reflect, likely depend on the physiognomy of the habitat.
dc.description.sponsorship FT was supported by a postdoctoral research fellowship within the Spanish MCINN framework "Plan de Formacion y Perfeccionamiento" and the "Ramon y Cajal" program during writing. This work was funded by an ECU "Faculty Small Grant" and the Strategic Research Funds for the Marine Environment. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
dc.description.uri http://dx.doi.org/10.1371/journal.pone.0020190 en
dc.language English
dc.language en en
dc.relation.ispartof Null
dc.relation.ispartof PLoS ONE - pages: 6: e20190 en
dc.subject Biodiversity
dc.subject Science & Technology - Other Topics
dc.subject Multidisciplinary Sciences
dc.subject Habitats
dc.subject Patterns
dc.subject Macroalgae
dc.subject Natural Edge
dc.subject Associations
dc.subject Assemblages
dc.subject Communities
dc.subject Gastropods
dc.subject Fauna
dc.title Gradients in the Number of Species at Reef-Seagrass Ecotones Explained by Gradients in Abundance
dc.type journal article en
dc.identifier.doi 10.1371/journal.pone.0020190
dc.identifier.wos WOS:000291005800032


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