Recruitment Drives Spatial Variation in Recovery Rates of Resilient Coral Reefs

Abstract Tropical reefs often undergo acute disturbances that result in landscape-scale loss of coral. Due to increasing threats to coral reefs from climate change and anthropogenic perturbations, it is critical to understand mechanisms that drive recovery of these ecosystems. We explored this issue...

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Autores principales: Sally J. Holbrook, Thomas C. Adam, Peter J. Edmunds, Russell J. Schmitt, Robert C. Carpenter, Andrew J. Brooks, Hunter S. Lenihan, Cheryl J. Briggs
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Publicado: Nature Portfolio 2018
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spelling oai:doaj.org-article:eb1f7986583f48ff94bfd9f0cf7ca03b2021-12-02T15:07:49ZRecruitment Drives Spatial Variation in Recovery Rates of Resilient Coral Reefs10.1038/s41598-018-25414-82045-2322https://doaj.org/article/eb1f7986583f48ff94bfd9f0cf7ca03b2018-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-25414-8https://doaj.org/toc/2045-2322Abstract Tropical reefs often undergo acute disturbances that result in landscape-scale loss of coral. Due to increasing threats to coral reefs from climate change and anthropogenic perturbations, it is critical to understand mechanisms that drive recovery of these ecosystems. We explored this issue on the fore reef of Moorea, French Polynesia, following a crown-of-thorns seastar outbreak and cyclone that dramatically reduced cover of coral. During the five-years following the disturbances, the rate of re-establishment of coral cover differed systematically around the triangular-shaped island; coral cover returned most rapidly at sites where the least amount of live coral remained after the disturbances. Although sites differed greatly in the rate of return of coral, all showed at least some evidence of re-assembly to their pre-disturbance community structure in terms of relative abundance of coral taxa and other benthic space holders. The primary driver of spatial variation in recovery was recruitment of sexually-produced corals; subsequent growth and survivorship were less important in shaping the spatial pattern. Our findings suggest that, although the coral community has been resilient, some areas are unlikely to attain the coral cover and taxonomic structure they had prior to the most recent disturbances before the advent of another landscape-scale perturbation.Sally J. HolbrookThomas C. AdamPeter J. EdmundsRussell J. SchmittRobert C. CarpenterAndrew J. BrooksHunter S. LenihanCheryl J. BriggsNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-11 (2018)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Sally J. Holbrook
Thomas C. Adam
Peter J. Edmunds
Russell J. Schmitt
Robert C. Carpenter
Andrew J. Brooks
Hunter S. Lenihan
Cheryl J. Briggs
Recruitment Drives Spatial Variation in Recovery Rates of Resilient Coral Reefs
description Abstract Tropical reefs often undergo acute disturbances that result in landscape-scale loss of coral. Due to increasing threats to coral reefs from climate change and anthropogenic perturbations, it is critical to understand mechanisms that drive recovery of these ecosystems. We explored this issue on the fore reef of Moorea, French Polynesia, following a crown-of-thorns seastar outbreak and cyclone that dramatically reduced cover of coral. During the five-years following the disturbances, the rate of re-establishment of coral cover differed systematically around the triangular-shaped island; coral cover returned most rapidly at sites where the least amount of live coral remained after the disturbances. Although sites differed greatly in the rate of return of coral, all showed at least some evidence of re-assembly to their pre-disturbance community structure in terms of relative abundance of coral taxa and other benthic space holders. The primary driver of spatial variation in recovery was recruitment of sexually-produced corals; subsequent growth and survivorship were less important in shaping the spatial pattern. Our findings suggest that, although the coral community has been resilient, some areas are unlikely to attain the coral cover and taxonomic structure they had prior to the most recent disturbances before the advent of another landscape-scale perturbation.
format article
author Sally J. Holbrook
Thomas C. Adam
Peter J. Edmunds
Russell J. Schmitt
Robert C. Carpenter
Andrew J. Brooks
Hunter S. Lenihan
Cheryl J. Briggs
author_facet Sally J. Holbrook
Thomas C. Adam
Peter J. Edmunds
Russell J. Schmitt
Robert C. Carpenter
Andrew J. Brooks
Hunter S. Lenihan
Cheryl J. Briggs
author_sort Sally J. Holbrook
title Recruitment Drives Spatial Variation in Recovery Rates of Resilient Coral Reefs
title_short Recruitment Drives Spatial Variation in Recovery Rates of Resilient Coral Reefs
title_full Recruitment Drives Spatial Variation in Recovery Rates of Resilient Coral Reefs
title_fullStr Recruitment Drives Spatial Variation in Recovery Rates of Resilient Coral Reefs
title_full_unstemmed Recruitment Drives Spatial Variation in Recovery Rates of Resilient Coral Reefs
title_sort recruitment drives spatial variation in recovery rates of resilient coral reefs
publisher Nature Portfolio
publishDate 2018
url https://doaj.org/article/eb1f7986583f48ff94bfd9f0cf7ca03b
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