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https://ir.library.oregonstate.edu/concern/articles/fn107086n

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  • Caribbean coral reefs have deteriorated substantially over the past 30 years, which is broadly attributable to the effects of global climate change. In the same time, Indo-Pacific reefs maintain higher coral cover and typically recover rapidly after disturbances. This difference in reef resilience is largely due to much higher coral recruitment rates in the Pacific. We hypothesized that the lack of Caribbean recruitment might be explained by diminishing quality of settlement cues and/or impaired sensitivity of Caribbean coral larvae to those cues, relative to the Pacific. To evaluate this hypothesis, we assembled a collection of bulk samples of reef encrusting communities, mostly consisting of crustose coralline algae (CCA), from various reefs around the world and tested them as settlement cues for several coral species originating from different ocean provinces. Cue samples were meta-barcoded to evaluate their taxonomic diversity. We observed no systematic differences either in cue potency or in strength of larval responses depending on the ocean province, and no preference of coral larvae towards cues from the same ocean. Instead, we detected significant differences in cue preferences among coral species, even for corals originating from the same reef. We conclude that the region-wide disruption of the settlement process is unlikely to be the major cause of Caribbean reef loss. However, due to their high sensitivity to the effects of climate change, shifts in the composition of CCA-associated communities, combined with pronounced differences in cue preferences among coral species, could substantially influence future coral community structure.
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  • description.provenance : Submitted by Erin Clark (erin.clark@oregonstate.edu) on 2015-02-26T16:56:56Z No. of bitstreams: 4 license_rdf: 1370 bytes, checksum: cd1af5ab51bcc7a5280cf305303530e9 (MD5) MeyerEliIntegrativeBiologyCross-OceanComparison.pdf: 1334900 bytes, checksum: ccef17f5ed6222ba662fdc115427198e (MD5) MeyerEliIntegrativeBiologyCross-OceanComparison_SupplementaryFigureS1.eps: 851394 bytes, checksum: c2c6a2d99ffdf0a297eef59a9a071419 (MD5) MeyerEliIntegrativeBiologyCross-OceanComparison_Rarefaction_analysis_and_results.zip: 1240 bytes, checksum: c286a23ab66329aedc1fe8efcfd94369 (MD5)
  • description.provenance : Made available in DSpace on 2015-02-26T16:57:08Z (GMT). No. of bitstreams: 4 license_rdf: 1370 bytes, checksum: cd1af5ab51bcc7a5280cf305303530e9 (MD5) MeyerEliIntegrativeBiologyCross-OceanComparison.pdf: 1334900 bytes, checksum: ccef17f5ed6222ba662fdc115427198e (MD5) MeyerEliIntegrativeBiologyCross-OceanComparison_SupplementaryFigureS1.eps: 851394 bytes, checksum: c2c6a2d99ffdf0a297eef59a9a071419 (MD5) MeyerEliIntegrativeBiologyCross-OceanComparison_Rarefaction_analysis_and_results.zip: 1240 bytes, checksum: c286a23ab66329aedc1fe8efcfd94369 (MD5) Previous issue date: 2014-04-08
  • description.provenance : Approved for entry into archive by Erin Clark(erin.clark@oregonstate.edu) on 2015-02-26T16:57:08Z (GMT) No. of bitstreams: 4 license_rdf: 1370 bytes, checksum: cd1af5ab51bcc7a5280cf305303530e9 (MD5) MeyerEliIntegrativeBiologyCross-OceanComparison.pdf: 1334900 bytes, checksum: ccef17f5ed6222ba662fdc115427198e (MD5) MeyerEliIntegrativeBiologyCross-OceanComparison_SupplementaryFigureS1.eps: 851394 bytes, checksum: c2c6a2d99ffdf0a297eef59a9a071419 (MD5) MeyerEliIntegrativeBiologyCross-OceanComparison_Rarefaction_analysis_and_results.zip: 1240 bytes, checksum: c286a23ab66329aedc1fe8efcfd94369 (MD5)

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