Structure of marginal coral reef assemblages under different turbidity regime

Autor(es)

Loiola, Miguel ^{[1, 2]} ; Cruz, Igor C. S. ^[3] ; Lisboa, Danilo S. ^[1] ; Mariano-Neto, Eduardo ^[2] ; Leao, Zelinda M. A. N. ^[1] ; Oliveira, Marilia D. M. ^[1] ; Kikuchi, Ruy K. P. ^[1]

Afiliação do(s) autor(es)

^[1] Fed Univ Bahia UFBA, Inst Geosci, Lab Coral Reefs & Global Changes RECOR, Barao de Jeremoabo St, BR-40210390 Salvador, BA - Brazil

^[2] Fed Univ Bahia UFBA, Inst Biol, Postgrad Program Ecol & Biomonitoring, Barao Jeremoabo St, BR-40170115 Salvador, BA - Brazil

^[3] Fed Univ Bahia UFBA, Inst Geosci, Dept Oceanog, Barao Jeremoabo St, BR-40210340 Salvador, BA - Brazil

• Tipo de documento: Artigo Científico
• Fonte: MARINE ENVIRONMENTAL RESEARCH; v. 147, p. 138-148, MAY 2019.
• Citações Web of Science: 2

Resumo

Sediment load can influence both the population distribution and structures of coral reef communities. We investigated whether coral assemblages on inshore and more turbid reefs differ from those on offshore reefs in the largest coral reefs of the Southwest Atlantic. We compared inshore and offshore reefs (with different turbidity climatologies) in terms of benthic and coral assemblage structures, abundances and individual sizes of coral populations and recruitment patterns. Unexpectedly, the inshore reefs showed higher coral cover and abundance, larger colonies and more recruits. This finding is related to the predominance of sediment-tolerant species on the turbid reefs. In contrast, only Mussismilia braziliensis (main builder of Abrolhos) showed better performance (greater coverage, larger diameter and more recruits) on offshore reefs, apparently behaving as a strong competitor in less turbid environments. These results reinforce the recent thinking of coral reef of turbid environments as resistant ecosystems and potential refuges considering the unnatural increase of sediment supply. (AU)

• Processo FAPESP: 14/17815-0 - Desenvolvimento metodológico para detecção de mudanças de fase em recifes de corais a partir de sensores ópticos instalados em drone
• Beneficiário: Igor Cristino Silva Cruz
• Modalidade de apoio: Bolsas no Brasil - Pós-Doutorado