Sedimentation in the coastal reefs of Abrolhos over the last decades

Detalhes bibliográficos
Autor(a) principal: Silva, A. S.
Data de Publicação: 2013
Outros Autores: Leão, Zelinda Margarida de Andrade Nery, Kikuchi, Ruy Kenji Papa de, Costa, A. B., Souza, José Roberto Bispo de
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFBA
Texto Completo: http://repositorio.ufba.br/ri/handle/ri/15953
Resumo: Texto completo: acesso restrito. p. 159–167
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spelling Silva, A. S.Leão, Zelinda Margarida de Andrade NeryKikuchi, Ruy Kenji Papa deCosta, A. B.Souza, José Roberto Bispo deSilva, A. S.Leão, Zelinda Margarida de Andrade NeryKikuchi, Ruy Kenji Papa deCosta, A. B.Souza, José Roberto Bispo de2014-09-09T15:46:00Z20130278-4343http://repositorio.ufba.br/ri/handle/ri/15953v. 70Texto completo: acesso restrito. p. 159–167Coral reefs of the coastal area of Abrolhos are located in an environment with a high influx of terrigenous sediments that are carried out to the sea, either as a result of natural processes (river output, coastal erosion, and torrents) or due to anthropogenic influences (deforestation, coastal development, and dredging). Excessive terrigenous sediment in coastal areas has been identified as one of the major threats to coral reefs, leading to their worldwide decline. The present study assessed the evolution of sedimentation in the Abrolhos coastal reefs during the past decades by analyzing samples from sediment cores collected near the reefs of Coroa Vermelha (located 15 km from the coast), Pedra de Leste (located 12 km from the coast) and Popa Verde (located 35 km from the coast). The purpose of this assessment was to observe whether the previously described pattern of surficial bottom sediment distribution in Abrolhos, which consisted of terrigenous mud in the nearshore reefs, to carbonate-dominant sediments towards the offshore reefs, is still a prevalent feature. Sediment color, texture, CaCO3 percentage, biogenic compounds and clay minerals, as well as the sedimentation rate and the geochronology of the sediment cores were analyzed. The results showed indications of an increase in the deposition of terrigenous mud, over the last decade, in the vicinity of the reefs nearest to the coast, though this does not yet constitute a definitive evidence of such a change. However, this observation therefore suggests that local processes resulting from anthropogenic actions are most likely causing an increase of the sedimentation rate of continent-derived sediment runoff in the Abrolhos coastal areas. To minimize this situation, there is an urgent need for the development of new management strategies to protect the already disturbed Abrolhos coastal reefs, especially during times of global changes.Submitted by Suelen Reis (suziy.ellen@gmail.com) on 2014-04-08T17:31:09Z No. of bitstreams: 1 1-s2.0-S0278434313002033-main.pdf: 3459506 bytes, checksum: 15b17fe94bba41f3e9a5bca58d9475d6 (MD5)Approved for entry into archive by Rodrigo Meirelles (rodrigomei@ufba.br) on 2014-09-09T15:45:59Z (GMT) No. of bitstreams: 1 1-s2.0-S0278434313002033-main.pdf: 3459506 bytes, checksum: 15b17fe94bba41f3e9a5bca58d9475d6 (MD5)Made available in DSpace on 2014-09-09T15:46:00Z (GMT). No. of bitstreams: 1 1-s2.0-S0278434313002033-main.pdf: 3459506 bytes, checksum: 15b17fe94bba41f3e9a5bca58d9475d6 (MD5) Previous issue date: 2013http://dx.doi.org/10.1016/j.csr.2013.06.002reponame:Repositório Institucional da UFBAinstname:Universidade Federal da Bahia (UFBA)instacron:UFBAAbrolhosSedimentation rateReefs in turbid waterSouthwestern Atlantic reefsSedimentation in the coastal reefs of Abrolhos over the last decadesContinental Shelf Researchinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article10000-01-01info:eu-repo/semantics/openAccessengLICENSElicense.txtlicense.txttext/plain1345https://repositorio.ufba.br/bitstream/ri/15953/2/license.txt0d4b811ef71182510d2015daa7c8a900MD52ORIGINAL1-s2.0-S0278434313002033-main.pdf1-s2.0-S0278434313002033-main.pdfapplication/pdf3459506https://repositorio.ufba.br/bitstream/ri/15953/1/1-s2.0-S0278434313002033-main.pdf15b17fe94bba41f3e9a5bca58d9475d6MD51TEXT1-s2.0-S0278434313002033-main.pdf.txt1-s2.0-S0278434313002033-main.pdf.txtExtracted texttext/plain44494https://repositorio.ufba.br/bitstream/ri/15953/3/1-s2.0-S0278434313002033-main.pdf.txt15dfebe48b21d0f437a51cf9f184d2f7MD53ri/159532022-07-05 14:03:21.624oai:repositorio.ufba.br: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Repositório InstitucionalPUBhttp://192.188.11.11:8080/oai/requestopendoar:19322022-07-05T17:03:21Repositório Institucional da UFBA - Universidade Federal da Bahia (UFBA)false
dc.title.pt_BR.fl_str_mv Sedimentation in the coastal reefs of Abrolhos over the last decades
dc.title.alternative.pt_BR.fl_str_mv Continental Shelf Research
title Sedimentation in the coastal reefs of Abrolhos over the last decades
spellingShingle Sedimentation in the coastal reefs of Abrolhos over the last decades
Silva, A. S.
Abrolhos
Sedimentation rate
Reefs in turbid water
Southwestern Atlantic reefs
title_short Sedimentation in the coastal reefs of Abrolhos over the last decades
title_full Sedimentation in the coastal reefs of Abrolhos over the last decades
title_fullStr Sedimentation in the coastal reefs of Abrolhos over the last decades
title_full_unstemmed Sedimentation in the coastal reefs of Abrolhos over the last decades
title_sort Sedimentation in the coastal reefs of Abrolhos over the last decades
author Silva, A. S.
author_facet Silva, A. S.
Leão, Zelinda Margarida de Andrade Nery
Kikuchi, Ruy Kenji Papa de
Costa, A. B.
Souza, José Roberto Bispo de
author_role author
author2 Leão, Zelinda Margarida de Andrade Nery
Kikuchi, Ruy Kenji Papa de
Costa, A. B.
Souza, José Roberto Bispo de
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Silva, A. S.
Leão, Zelinda Margarida de Andrade Nery
Kikuchi, Ruy Kenji Papa de
Costa, A. B.
Souza, José Roberto Bispo de
Silva, A. S.
Leão, Zelinda Margarida de Andrade Nery
Kikuchi, Ruy Kenji Papa de
Costa, A. B.
Souza, José Roberto Bispo de
dc.subject.por.fl_str_mv Abrolhos
Sedimentation rate
Reefs in turbid water
Southwestern Atlantic reefs
topic Abrolhos
Sedimentation rate
Reefs in turbid water
Southwestern Atlantic reefs
description Texto completo: acesso restrito. p. 159–167
publishDate 2013
dc.date.issued.fl_str_mv 2013
dc.date.accessioned.fl_str_mv 2014-09-09T15:46:00Z
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://repositorio.ufba.br/ri/handle/ri/15953
dc.identifier.issn.none.fl_str_mv 0278-4343
dc.identifier.number.pt_BR.fl_str_mv v. 70
identifier_str_mv 0278-4343
v. 70
url http://repositorio.ufba.br/ri/handle/ri/15953
dc.language.iso.fl_str_mv eng
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dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.source.pt_BR.fl_str_mv http://dx.doi.org/10.1016/j.csr.2013.06.002
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