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Extinction risk of the endemic soft coral Phyllogorgia dilatata (Esper, 1806) in a remote island of the Brazilian coast

2025-07Journal article Open access
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dc.contributor.authorAnderson, A. B.
dc.contributor.authorGouvêa, Lidiane
dc.contributor.authorAssis, Jorge
dc.contributor.authorSerrao, Ester A.
dc.contributor.authorPinheiro, H. T.
dc.contributor.authorVilar, C.
dc.contributor.authorFrancini-Filho, R. B.
dc.contributor.authorHorta, P. A.
dc.contributor.authorBernardino, A. F.
dc.contributor.authorCordeiro, C. A. M. M.
dc.contributor.authorGomes, L. E. O.
dc.contributor.authorJoyeux, J.-C.
dc.contributor.authorFerreira, C. E. L.
dc.date.accessioned2025-06-13T10:51:11Z
dc.date.available2025-06-13T10:51:11Z
dc.date.issued2025-07
dc.description.abstractThe Brazilian endemic octocoral Phyllogorgia dilatata (elephant ear sea fan) plays a crucial ecological role in the marine ecosystems of the Brazilian coast. Our work investigates the local extinction of P. dilatata on Trindade Island, a remote oceanic island in the Southwestern Atlantic, and assesses the potential impacts of climate change on its distribution. Field surveys conducted over two years (2016-2019) revealed no live individuals of P. dilatata, with only dead peduncles remaining, marking the first observed local extinction of this species. Species distribution models (SDMs) incorporating current and historical climate data were used to estimate the species' habitat suitability and project future distribution under different climate scenarios. Results indicate that P. dilatata currently inhabits approximately 93,090 km2 of suitable area, primarily within tropical ecoregions, but faces significant habitat loss under future climate projections. By 2090-2100, models predict a 63.38 % loss of habitat under the high-emission RCP 8.5 scenario, with severe impacts on tropical regions, including Trindade Island. Environmental variables such as temperature, oxygen concentration, and salinity were identified as key drivers of the species' distribution, while non-climatic factors like seawater velocity, were also significant. The extinction on Trindade Island is attributed to a combination of historical isolation, climate change, and local anthropogenic stressors, including pollution and overfishing. The current investigation highlights the urgent need for conservation efforts, including the establishment of marine protected areas and restoration programs, to protect this vulnerable species and similar marine organisms again climate change.eng
dc.identifier.doi10.1016/j.marpolbul.2025.118006
dc.identifier.issn0025-326X
dc.identifier.urihttp://hdl.handle.net/10400.1/27229
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relation.ispartofMarine Pollution Bulletin
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectLocal extinction
dc.subjectSoft corals
dc.subjectOceanic Islands
dc.subjectConservation
dc.subjectSouthwestern Atlantic
dc.subjectFunctional extinction
dc.titleExtinction risk of the endemic soft coral Phyllogorgia dilatata (Esper, 1806) in a remote island of the Brazilian coasteng
dc.typejournal article
dspace.entity.typePublication
oaire.citation.titleMarine Pollution Bulletin
oaire.citation.volume216
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameGouvêa
person.familyNameAssis
person.familyNameSerrao
person.givenNameLidiane
person.givenNameJorge
person.givenNameEster A.
person.identifierC-6686-2012
person.identifier.ciencia-idB511-30C7-FD3D
person.identifier.ciencia-id5C1D-05B6-29F7
person.identifier.ciencia-id5B13-B26E-B1EC
person.identifier.orcid0000-0001-7010-5500
person.identifier.orcid0000-0002-6624-4820
person.identifier.orcid0000-0003-1316-658X
person.identifier.ridG-9688-2012
person.identifier.scopus-author-id55500349800
person.identifier.scopus-author-id53463298700
person.identifier.scopus-author-id7004093604
relation.isAuthorOfPublication279c2ea1-6531-487f-95ca-5bb53e12369f
relation.isAuthorOfPublicationc794f76b-9001-4ac1-913a-bb0f3aab6ef5
relation.isAuthorOfPublication45ccfe90-155c-4d6f-9e86-8f0fd064005f
relation.isAuthorOfPublication.latestForDiscovery45ccfe90-155c-4d6f-9e86-8f0fd064005f

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