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Early uptake of specific symbionts enhances the post-settlement survival of Acropora corals

Suzuki, Go ; Yamashita, Hiroshi ; Kai, Sayaka ; Hayashibara, Takeshi ; Suzuki, Kiyoshi ; Iehisa, Yukihiro ; Okada, Wataru ; Ando, Wataru ; Komori, Takeshi

Marine ecology. Progress series (Halstenbek), 2013-12, Vol.494, p.149-158 [Periódico revisado por pares]

Oldendorf: Inter-Research

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Título:
Early uptake of specific symbionts enhances the post-settlement survival of Acropora corals
Autor: Suzuki, Go ; Yamashita, Hiroshi ; Kai, Sayaka ; Hayashibara, Takeshi ; Suzuki, Kiyoshi ; Iehisa, Yukihiro ; Okada, Wataru ; Ando, Wataru ; Komori, Takeshi
Assuntos: Acropora ; Animal and plant ecology ; Animal, plant and microbial ecology ; Applied ecology ; Biological and medical sciences ; Cnidaria. Ctenaria ; Conservation, protection and management of environment and wildlife ; Environmental degradation: ecosystems survey and restoration ; Fundamental and applied biological sciences. Psychology ; Invertebrates ; Marine ; Protozoa ; Sea water ecosystems ; Symbiodinium ; Synecology
É parte de: Marine ecology. Progress series (Halstenbek), 2013-12, Vol.494, p.149-158
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Descrição: For corals that establish symbioses with dinoflagellate Symbiodinium spp. at the larval stage or later through horizontal transmission, the ecological significance of the early uptake of algal symbionts remains unknown. It has been hypothesized that early uptake of symbionts is an advantage for long-distance dispersal. Here, we tested the hypothesis that early acquisition of symbionts enhances post-settlement survival. We used a cultured strain of clade A Symbiodinium that was isolated from wild Acropora spat as the algal symbiont. Symbiotic and aposymbiotic Acropora larvae were prepared in the laboratory and settled on experimental plates in the field. The survival of settlers was monitored for 15 mo. Our results showed that more larval-stage settlers harbouring symbionts survived than those without, even when there was no difference in the initial density of settled larvae. We analysed the Symbiodinium clades harboured by the corals at 1 mo after settlement, and found that clade A was less abundant in the corals that grew from aposymbiotic larvae than in those that developed from symbiotic larvae. There was also a marked difference in coral survival between aposymbiotic and symbiotic larvae over this period. The higher survival rate of ‘early uptake’ corals was more pronounced on shaded plates. These results suggest that the early uptake of specific symbionts enhances post-settlement survival in dark places such as reef crevices, which are sites commonly settled by coral larvae.
Editor: Oldendorf: Inter-Research
Idioma: Inglês

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Early uptake of specific symbionts enhances the post-settlement survival of Acropora corals

Suzuki, Go ; Yamashita, Hiroshi ; Kai, Sayaka ; Hayashibara, Takeshi ; Suzuki, Kiyoshi ; Iehisa, Yukihiro ; Okada, Wataru ; Ando, Wataru ; Komori, Takeshi

Oldendorf: Inter-Research

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