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metadata.dc.type: Artigo de Periódico
Title in Portuguese: An urban intertidal reef is dominated by fleshy macroalgae, sediment, and bleaching of a resilient coral (Siderastrea stellata)
Author: Barros, Yasmin
Lucas, Caroline Costa
Soares, Marcelo de Oliveira
Issue Date: 2021
Publisher: Marine Pollution Bulletin
Keywords: Recifes
Recifes de coral
Meio ambiente
Coral Reefs
Citation: BARROS, Yasmin; LUCAS, Caroline Costa; SOARES, Marcelo de Oliveira; SOARES, Marcelo de Oliveira; [et al.]. An urban intertidal reef is dominated by fleshy macroalgae, sediment, and bleaching of a resilient coral (Siderastrea stellata). Marine Pollution Bulletin, v.173, 2021. Disponível em: Acesso em: 05 out. 2021.
Abstract: We provide a baseline assessment of benthic cover, salinity, temperature, and bleaching in an urban intertidal reef. The cover is composed of a weedy coral (Siderastrea stellata), algae, and sand sediments. Fleshy macroalgae provided the most of the cover (23% to 43%), followed by coral (16% to 24%), and sediment (6% to 19%). Most of the tidal pools presented high algae cover with seasonal differences; whereas, the coral and sediment cover did not differ significantly over time. The bleached colonies ranged from 6% (November) to 76% (March) over the months according to the stress levels (warming and runoff). Temperature (30.3 to 33.5 °C), and salinity (35.2 to 43.2) characterized an extreme reef habitat. S. stellata resistance to chronic and acute stress makes it a bioindicator of environmental stress. The results highlight those marginal reefs may be simplified habitats, composed of monospecific coral populations and morphogically-simple macroalgae adapted to current pressures but its long-term survival is unlikely due to climate change.
URI: 0025-326X
Appears in Collections:LABOMAR - Artigos publicados em revistas científicas

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