Cobertura e sanidade de corais e zoantídeos (Cnidaria, Anthozoa) em recifes costeiros expostos a diferentes intensidades de uso turístico

Detalhes bibliográficos
Autor(a) principal: LIMA, Ana Paula Pereira de
Data de Publicação: 2016
Tipo de documento: Dissertação
Idioma: por
Título da fonte: Biblioteca Digital de Teses e Dissertações da UFRPE
Texto Completo: http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/5232
Resumo: The continued growth of tourism has affected coastal ecosystems, especially the reef environments, negatively impacting on their organisms. high intensity tourist areas tend to have a less equal distribution of species and biological diversity lower compared to less frequented areas. This study aimed to describe the relationship between the degree of tourist use and the sanity and abundance of scleractinians corals and zoanthids in coastal reefs. For that purpose, six beaches of the coast of Pernambuco (northeastern Brazil) with different tourist use intensities were selected. The average number of visitors per beach was obtained through observations on days with different intensities of people flow (Sunday and Monday) and the beaches were classified as low use or heavy use. To measure coral cover and zoanthids were established nine transects 25m, parallel to the coast, six in midlittoral and three in the subtidal. Along each transect, three square 1x1m, with 81 points of intersection were arranged. Coral coverage, zoanthids, algae and total live coverage was calculated. All colonies that were within 50m2 each transect were counted, measured and the presence of death and bleaching were recorded. Were listed four species of zoanthids and five species of corals. The zoanthids were more abundant in areas of intense tourist use, in contrast corals were most abundant in the low tourist use, which they had higher diversity of anthozoans. The coral that had the highest number of partially bleached and dead colonies was Siderastrea stellata, besides being the most abundant in all areas. The tourist flow showed the highest relationship with the coral cover and zoanthids than with health indicators adopted for this study. However, factors such as acidification, nutrient increase and temperature fluctuations appear to act synergistically on the health of anthozoans. Changes in benthic community structure can have negative consequences for reef ecosystems, among them the phase shift, causing loss of biodiversity due to favoring the most resistant species, as algae and zoanthids at the expense of corals. Thus, due to the numerous ecosystem services, the reefs demonstrate once again being priority areas for conservation.
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spelling GOMES, Paula BragaEL-DEIR, Ana Carla AsforaROSA FILHO, José SoutoPÉREZ, Carlos DanielMELO JÚNIOR, Mauro dehttp://lattes.cnpq.br/3978778674173186LIMA, Ana Paula Pereira de2016-08-09T12:53:21Z2016-08-22LIMA, Ana Paula Pereira de. Cobertura e sanidade de corais e zoantídeos (Cnidaria, Anthozoa) em recifes costeiros expostos a diferentes intensidades de uso turístico. 2016. 55 f. Dissertação (Programa de Pós-Graduação em Ecologia) - Universidade Federal Rural de Pernambuco, Recife.http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/5232The continued growth of tourism has affected coastal ecosystems, especially the reef environments, negatively impacting on their organisms. high intensity tourist areas tend to have a less equal distribution of species and biological diversity lower compared to less frequented areas. This study aimed to describe the relationship between the degree of tourist use and the sanity and abundance of scleractinians corals and zoanthids in coastal reefs. For that purpose, six beaches of the coast of Pernambuco (northeastern Brazil) with different tourist use intensities were selected. The average number of visitors per beach was obtained through observations on days with different intensities of people flow (Sunday and Monday) and the beaches were classified as low use or heavy use. To measure coral cover and zoanthids were established nine transects 25m, parallel to the coast, six in midlittoral and three in the subtidal. Along each transect, three square 1x1m, with 81 points of intersection were arranged. Coral coverage, zoanthids, algae and total live coverage was calculated. All colonies that were within 50m2 each transect were counted, measured and the presence of death and bleaching were recorded. Were listed four species of zoanthids and five species of corals. The zoanthids were more abundant in areas of intense tourist use, in contrast corals were most abundant in the low tourist use, which they had higher diversity of anthozoans. The coral that had the highest number of partially bleached and dead colonies was Siderastrea stellata, besides being the most abundant in all areas. The tourist flow showed the highest relationship with the coral cover and zoanthids than with health indicators adopted for this study. However, factors such as acidification, nutrient increase and temperature fluctuations appear to act synergistically on the health of anthozoans. Changes in benthic community structure can have negative consequences for reef ecosystems, among them the phase shift, causing loss of biodiversity due to favoring the most resistant species, as algae and zoanthids at the expense of corals. Thus, due to the numerous ecosystem services, the reefs demonstrate once again being priority areas for conservation.O contínuo crescimento da atividade turística tem afetado os ecossistemas costeiros, principalmente os ambientes recifais, impactando negativamente sobre os seus organismos. Áreas de elevada intensidade turística tendem a ter uma distribuição menos equitativa das espécies e uma menor diversidade biológica em relação a áreas menos frequentadas. O presente estudo objetivou descrever a relação entre o grau de uso turístico e a sanidade e abundâncias de corais escleractínios e de zoantídeos em recifes costeiros. Para tal, seis praias do litoral pernambucano (nordeste do Brasil) com diferentes intensidades de uso turístico foram selecionadas. O número médio de visitantes por praia foi obtido através de observações em dias com diferentes intensidades de fluxo de pessoas (domingo e segunda) e as praias foram classificadas como baixo uso ou uso intenso. Para mensurar a cobertura de corais e zoantídeos foram estabelecidos nove transectos de 25m, paralelos à costa, sendo seis no mediolitoral e três no infralitoral. Ao longo de cada transecto, três quadrados de 1x1m, com 81 pontos de intersecção foram dispostos. Foi calculada a cobertura de corais, zoantídeos, algas e a cobertura viva total. Todas as colônias que estavam dentro dos 50m2 de cada transecto foram contabilizadas, medidas e a presença de mortalidade e branqueamento foram registradas. Foram listadas quatro espécies de zoantídeos e cinco espécies de corais. Os zoantídeos foram mais abundantes nas áreas de uso turístico intenso, em contrapartida os corais foram mais abundantes nas áreas de baixo uso turístico, as quais apresentaram maior diversidade de antozoários. O coral que apresentou o maior número de colônias branqueadas e parcialmente mortas foi Siderastrea stellata, além de ter sido o mais abundante em todas as áreas. O fluxo turístico mostrou ter maior relação com a cobertura de corais e zoantídeos do que com os indicadores de sanidade adotados para o presente estudo. No entanto, fatores como acidificação, incremento de nutrientes e oscilações da temperatura parecem agir sinergicamente sobre a sanidade dos antozoários. Modificações na estrutura da comunidade bentônica podem trazer consequências negativas aos ecossistemas recifais, dentre elas a mudança de fase, ocasionando perda de biodiversidade devido ao favorecimento de espécies mais resistentes, como algas e zoantídeos, em detrimento dos corais. Assim, devido aos inúmeros serviços ecossistêmicos, os recifes demonstram mais uma vez, serem áreas prioritárias à conservação.Submitted by Mario BC (mario@bc.ufrpe.br) on 2016-08-09T12:53:21Z No. of bitstreams: 1 Ana Paula Pereira de Lima.pdf: 1558477 bytes, checksum: 672540b3d4430f89e746c8a120e26e7e (MD5)Made available in DSpace on 2016-08-09T12:53:21Z (GMT). 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dc.title.por.fl_str_mv Cobertura e sanidade de corais e zoantídeos (Cnidaria, Anthozoa) em recifes costeiros expostos a diferentes intensidades de uso turístico
title Cobertura e sanidade de corais e zoantídeos (Cnidaria, Anthozoa) em recifes costeiros expostos a diferentes intensidades de uso turístico
spellingShingle Cobertura e sanidade de corais e zoantídeos (Cnidaria, Anthozoa) em recifes costeiros expostos a diferentes intensidades de uso turístico
LIMA, Ana Paula Pereira de
Cobertura coralínea
Ecossistema costeiro
Atividade turística
Manejo de recifes
Coral (animal marinho)
Coastal ecosystem
Tourism
Reef management
CIENCIAS BIOLOGICAS::ECOLOGIA
title_short Cobertura e sanidade de corais e zoantídeos (Cnidaria, Anthozoa) em recifes costeiros expostos a diferentes intensidades de uso turístico
title_full Cobertura e sanidade de corais e zoantídeos (Cnidaria, Anthozoa) em recifes costeiros expostos a diferentes intensidades de uso turístico
title_fullStr Cobertura e sanidade de corais e zoantídeos (Cnidaria, Anthozoa) em recifes costeiros expostos a diferentes intensidades de uso turístico
title_full_unstemmed Cobertura e sanidade de corais e zoantídeos (Cnidaria, Anthozoa) em recifes costeiros expostos a diferentes intensidades de uso turístico
title_sort Cobertura e sanidade de corais e zoantídeos (Cnidaria, Anthozoa) em recifes costeiros expostos a diferentes intensidades de uso turístico
author LIMA, Ana Paula Pereira de
author_facet LIMA, Ana Paula Pereira de
author_role author
dc.contributor.advisor1.fl_str_mv GOMES, Paula Braga
dc.contributor.referee1.fl_str_mv EL-DEIR, Ana Carla Asfora
dc.contributor.referee2.fl_str_mv ROSA FILHO, José Souto
dc.contributor.referee3.fl_str_mv PÉREZ, Carlos Daniel
dc.contributor.referee4.fl_str_mv MELO JÚNIOR, Mauro de
dc.contributor.authorLattes.fl_str_mv http://lattes.cnpq.br/3978778674173186
dc.contributor.author.fl_str_mv LIMA, Ana Paula Pereira de
contributor_str_mv GOMES, Paula Braga
EL-DEIR, Ana Carla Asfora
ROSA FILHO, José Souto
PÉREZ, Carlos Daniel
MELO JÚNIOR, Mauro de
dc.subject.por.fl_str_mv Cobertura coralínea
Ecossistema costeiro
Atividade turística
Manejo de recifes
topic Cobertura coralínea
Ecossistema costeiro
Atividade turística
Manejo de recifes
Coral (animal marinho)
Coastal ecosystem
Tourism
Reef management
CIENCIAS BIOLOGICAS::ECOLOGIA
dc.subject.eng.fl_str_mv Coral (animal marinho)
Coastal ecosystem
Tourism
Reef management
dc.subject.cnpq.fl_str_mv CIENCIAS BIOLOGICAS::ECOLOGIA
description The continued growth of tourism has affected coastal ecosystems, especially the reef environments, negatively impacting on their organisms. high intensity tourist areas tend to have a less equal distribution of species and biological diversity lower compared to less frequented areas. This study aimed to describe the relationship between the degree of tourist use and the sanity and abundance of scleractinians corals and zoanthids in coastal reefs. For that purpose, six beaches of the coast of Pernambuco (northeastern Brazil) with different tourist use intensities were selected. The average number of visitors per beach was obtained through observations on days with different intensities of people flow (Sunday and Monday) and the beaches were classified as low use or heavy use. To measure coral cover and zoanthids were established nine transects 25m, parallel to the coast, six in midlittoral and three in the subtidal. Along each transect, three square 1x1m, with 81 points of intersection were arranged. Coral coverage, zoanthids, algae and total live coverage was calculated. All colonies that were within 50m2 each transect were counted, measured and the presence of death and bleaching were recorded. Were listed four species of zoanthids and five species of corals. The zoanthids were more abundant in areas of intense tourist use, in contrast corals were most abundant in the low tourist use, which they had higher diversity of anthozoans. The coral that had the highest number of partially bleached and dead colonies was Siderastrea stellata, besides being the most abundant in all areas. The tourist flow showed the highest relationship with the coral cover and zoanthids than with health indicators adopted for this study. However, factors such as acidification, nutrient increase and temperature fluctuations appear to act synergistically on the health of anthozoans. Changes in benthic community structure can have negative consequences for reef ecosystems, among them the phase shift, causing loss of biodiversity due to favoring the most resistant species, as algae and zoanthids at the expense of corals. Thus, due to the numerous ecosystem services, the reefs demonstrate once again being priority areas for conservation.
publishDate 2016
dc.date.accessioned.fl_str_mv 2016-08-09T12:53:21Z
dc.date.issued.fl_str_mv 2016-08-22
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
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dc.identifier.citation.fl_str_mv LIMA, Ana Paula Pereira de. Cobertura e sanidade de corais e zoantídeos (Cnidaria, Anthozoa) em recifes costeiros expostos a diferentes intensidades de uso turístico. 2016. 55 f. Dissertação (Programa de Pós-Graduação em Ecologia) - Universidade Federal Rural de Pernambuco, Recife.
dc.identifier.uri.fl_str_mv http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/5232
identifier_str_mv LIMA, Ana Paula Pereira de. Cobertura e sanidade de corais e zoantídeos (Cnidaria, Anthozoa) em recifes costeiros expostos a diferentes intensidades de uso turístico. 2016. 55 f. Dissertação (Programa de Pós-Graduação em Ecologia) - Universidade Federal Rural de Pernambuco, Recife.
url http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/5232
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dc.publisher.program.fl_str_mv Programa de Pós-Graduação em Ecologia
dc.publisher.initials.fl_str_mv UFRPE
dc.publisher.country.fl_str_mv Brasil
dc.publisher.department.fl_str_mv Departamento de Biologia
publisher.none.fl_str_mv Universidade Federal Rural de Pernambuco
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