globalchange  > 过去全球变化的重建
DOI: 10.1371/journal.pone.0116944
论文题名:
Effect of Phase Shift from Corals to Zoantharia on Reef Fish Assemblages
作者: Igor C. S. Cruz; Miguel Loiola; Tiago Albuquerque; Rodrigo Reis; José de Anchieta C. C. Nunes; James D. Reimer; Masaru Mizuyama; Ruy K. P. Kikuchi; Joel C. Creed
刊名: PLOS ONE
ISSN: 1932-6203
出版年: 2015
发表日期: 2015-1-28
卷: 10, 期:1
语种: 英语
英文关键词: Coral reefs ; Reefs ; Herbivory ; Species diversity ; Confidence intervals ; Sequence similarity searching ; Biodiversity ; Reef ecosystems
英文摘要: Consequences of reef phase shifts on fish communities remain poorly understood. Studies on the causes, effects and consequences of phase shifts on reef fish communities have only been considered for coral-to-macroalgae shifts. Therefore, there is a large information gap regarding the consequences of novel phase shifts and how these kinds of phase shifts impact on fish assemblages. This study aimed to compare the fish assemblages on reefs under normal conditions (relatively high cover of corals) to those which have shifted to a dominance of the zoantharian Palythoa cf. variabilis on coral reefs in Todos os Santos Bay (TSB), Brazilian eastern coast. We examined eight reefs, where we estimated cover of corals and P. cf. variabilis and coral reef fish richness, abundance and body size. Fish richness differed significantly between normal reefs (48 species) and phase-shift reefs (38 species), a 20% reduction in species. However there was no difference in fish abundance between normal and phase shift reefs. One fish species, Chaetodon striatus, was significantly less abundant on normal reefs. The differences in fish assemblages between different reef phases was due to differences in trophic groups of fish; on normal reefs carnivorous fishes were more abundant, while on phase shift reefs mobile invertivores dominated.
URL: http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0116944&type=printable
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/21063
Appears in Collections:过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响

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作者单位: Programa de Pós Graduação em Ecologia, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brazil;Laboratório Recifes de Corais e Mudanças Globais, Instituto de Geociências, Universidade Federal da Bahia, Salvador, BA, Brazil;Laboratório de Ecologia Marinha Bêntica, Departamento de Ecologia, Instituto de Biologia Roberto Alcântara Gomes, Universidade do Estado do Rio de Janeiro—UERJ, PHLC Sala 220, Rio de Janeiro, RJ, Brazil;Laboratório Recifes de Corais e Mudanças Globais, Instituto de Geociências, Universidade Federal da Bahia, Salvador, BA, Brazil;Programa de Pós Graduação em Ecologia e Biomonitoramento, Universidade Federal da Bahia, Salvador, BA, Brazil;Laboratório Recifes de Corais e Mudanças Globais, Instituto de Geociências, Universidade Federal da Bahia, Salvador, BA, Brazil;Laboratório Recifes de Corais e Mudanças Globais, Instituto de Geociências, Universidade Federal da Bahia, Salvador, BA, Brazil;Programa de Pós Graduação em Ecologia e Biomonitoramento, Universidade Federal da Bahia, Salvador, BA, Brazil;Programa de Pós Graduação em Ecologia e Biomonitoramento, Universidade Federal da Bahia, Salvador, BA, Brazil;Laboratório de Ecologia Bentônica, Instituto de Biologia, Universidade Federal da Bahia, Salvador, Bahia, Brazil;Molecular Invertebrate Systematics and Ecology Laboratory, Graduate School of Engineering and Science, University of the Ryukyus, Nishihara, Okinawa, Japan;Molecular Invertebrate Systematics and Ecology Laboratory, Graduate School of Engineering and Science, University of the Ryukyus, Nishihara, Okinawa, Japan;Laboratório Recifes de Corais e Mudanças Globais, Instituto de Geociências, Universidade Federal da Bahia, Salvador, BA, Brazil;Laboratório de Ecologia Marinha Bêntica, Departamento de Ecologia, Instituto de Biologia Roberto Alcântara Gomes, Universidade do Estado do Rio de Janeiro—UERJ, PHLC Sala 220, Rio de Janeiro, RJ, Brazil

Recommended Citation:
Igor C. S. Cruz,Miguel Loiola,Tiago Albuquerque,et al. Effect of Phase Shift from Corals to Zoantharia on Reef Fish Assemblages[J]. PLOS ONE,2015-01-01,10(1)
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