El Niño induced local extinction of coral reef bryozoan species from Northern Bahia, Brazil

Detalhes bibliográficos
Autor(a) principal: Kelmo, Francisco
Data de Publicação: 2004
Outros Autores: Attrill, Martin John, Gomes, Rilza da Costa Tourinho, Jones, Malcolm B.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFBA
Texto Completo: http://www.repositorio.ufba.br/ri/handle/ri/7191
Resumo: p. 609-617
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spelling Kelmo, FranciscoAttrill, Martin JohnGomes, Rilza da Costa TourinhoJones, Malcolm B.Kelmo, FranciscoAttrill, Martin JohnGomes, Rilza da Costa TourinhoJones, Malcolm B.2012-11-13T13:13:51Z20040006-3207http://www.repositorio.ufba.br/ri/handle/ri/7191v. 118, n. 5p. 609-617The 1997–1998 El-Ni~no Southern Oscillation was the most severe on record and dramatically impacted corals worldwide. However, the effect of this event on the associated community of reef organisms has received much less attention. The composition of the bryozoan assemblage from the coral reefs of Northern Bahia, Brazil were monitored annually from 1995 to 2000, allowing the investigation of the effects of this large-scale stressor on an important, diverse, yet understudied component of the coral reef system. Bryozoan samples (35 replicates/reef) were collected during April/May from four shallow bank reefs (10–40 m depth) located a few kilometres off the coast, together with measurements of the associated environmental parameters. Currently 157 species have been recorded from the study area, but significant reductions in density and diversity were apparent between pre- and post El-Ni~no Southern Oscillation (ENSO) years, multivariate analysis denoting significant changes in assemblage composition. A total of 61 species were unrecorded following the 1997–1998 ENSO event (22 species from 1997; 25 further species from 1998 and 14 more from 1999). These included several species endemic to Brazil, suggesting that the 1997–1998 ENSO has had a marked influence on the reef bryozoan community, resulting in the local extinction of several species. Bryozoan mortalities were probably initiated by elevated temperatures, but continued disappearance of species for 2 years after ENSO suggests other indirect factors are also influential. These results demonstrate that ENSO events can have severe long-term impacts on the biodiversity of coral reefs, with important conservation consequences.Submitted by JURANDI DE SOUZA SILVA (jssufba@hotmail.com) on 2012-11-13T13:13:51Z No. of bitstreams: 1 CONFIG~1....0-S0006320703004075-main.pdf: 370637 bytes, checksum: eba35a9732a0b12ab4e261fd24d38fcb (MD5)Made available in DSpace on 2012-11-13T13:13:51Z (GMT). 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dc.title.pt_BR.fl_str_mv El Niño induced local extinction of coral reef bryozoan species from Northern Bahia, Brazil
dc.title.alternative.pt_BR.fl_str_mv Biological Conservation
title El Niño induced local extinction of coral reef bryozoan species from Northern Bahia, Brazil
spellingShingle El Niño induced local extinction of coral reef bryozoan species from Northern Bahia, Brazil
Kelmo, Francisco
ENSO
Bryozoa
Environmental impact
Global warming
title_short El Niño induced local extinction of coral reef bryozoan species from Northern Bahia, Brazil
title_full El Niño induced local extinction of coral reef bryozoan species from Northern Bahia, Brazil
title_fullStr El Niño induced local extinction of coral reef bryozoan species from Northern Bahia, Brazil
title_full_unstemmed El Niño induced local extinction of coral reef bryozoan species from Northern Bahia, Brazil
title_sort El Niño induced local extinction of coral reef bryozoan species from Northern Bahia, Brazil
author Kelmo, Francisco
author_facet Kelmo, Francisco
Attrill, Martin John
Gomes, Rilza da Costa Tourinho
Jones, Malcolm B.
author_role author
author2 Attrill, Martin John
Gomes, Rilza da Costa Tourinho
Jones, Malcolm B.
author2_role author
author
author
dc.contributor.author.fl_str_mv Kelmo, Francisco
Attrill, Martin John
Gomes, Rilza da Costa Tourinho
Jones, Malcolm B.
Kelmo, Francisco
Attrill, Martin John
Gomes, Rilza da Costa Tourinho
Jones, Malcolm B.
dc.subject.por.fl_str_mv ENSO
Bryozoa
Environmental impact
Global warming
topic ENSO
Bryozoa
Environmental impact
Global warming
description p. 609-617
publishDate 2004
dc.date.issued.fl_str_mv 2004
dc.date.accessioned.fl_str_mv 2012-11-13T13:13:51Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://www.repositorio.ufba.br/ri/handle/ri/7191
dc.identifier.issn.none.fl_str_mv 0006-3207
dc.identifier.number.pt_BR.fl_str_mv v. 118, n. 5
identifier_str_mv 0006-3207
v. 118, n. 5
url http://www.repositorio.ufba.br/ri/handle/ri/7191
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.pt_BR.fl_str_mv http://dx.doi.org/10.1016/j.biocon.2003.10.010
dc.source.none.fl_str_mv reponame:Repositório Institucional da UFBA
instname:Universidade Federal da Bahia (UFBA)
instacron:UFBA
instname_str Universidade Federal da Bahia (UFBA)
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institution UFBA
reponame_str Repositório Institucional da UFBA
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