ORCID Profile
0000-0002-2567-1789
Current Organisation
University of the Ryukyus
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Publisher: Wiley
Date: 19-10-2021
DOI: 10.1002/ECE3.8122
Abstract: The decline of coral reefs has fueled interest in determining whether mesophotic reefs can shield against disturbances and help replenish deteriorated shallower reefs. In this study, we characterized spatial (horizontal and vertical) and seasonal patterns of ersity in coral recruits from Dabaisha and Guiwan reefs at Ludao, Taiwan. Concrete blocks supporting terra‐cotta tiles were placed at shallow (15m) and mesophotic (40m) depths, during 2016–2018. Half of the tiles were retrieved and replaced biannually over three 6‐month surveys (short‐term) the remainder retrieved at the end of the 18‐month (long‐term) survey. 451 recruits were located using fluorescent censusing and identified by DNA barcoding. Barcoding the mitochondrial cytochrome oxidase I ( COI ) gene resulted in 17 molecular operational taxonomic units (MOTUs). To obtain taxonomic resolution to the generic level, Pocillopora were phylotyped using the mitochondrial open reading frame ( ORF ), resolving eight MOTUs. Acropora , Isopora , and Montipora recruits were identified by the nuclear PaxC intron, yielding ten MOTUs. Overall, 35 MOTUs were generated and were comprised primarily of Pocillopora and, in fewer numbers, Acropora , Isopora , Pavona , Montipora , Stylophora , among others. 40% of MOTUs recruited solely within mesophotic reefs while 20% were shared by both depth zones. MOTUs recruiting across a broad depth distribution appear consistent with the hypothesis of mesophotic reefs acting as a refuge for shallow‐water coral reefs. In contrast, Acropora and Isopora MOTUs were structured across depth zones representing an exception to this hypothesis. This research provides an imperative assessment of coral recruitment in understudied mesophotic reefs and imparts insight into the refuge hypothesis.
Publisher: Springer Science and Business Media LLC
Date: 23-08-2023
Publisher: Springer Science and Business Media LLC
Date: 23-09-2021
Publisher: Springer Science and Business Media LLC
Date: 07-02-2014
Publisher: Springer Science and Business Media LLC
Date: 22-03-2013
DOI: 10.1038/SREP01520
No related grants have been discovered for Stéphane De Palmas.