Coral reefs articles within Nature Communications

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  • Article
    | Open Access

    This study provides insights into the functional roles of microbial symbionts within the reef-building coral Acropora kenti. The findings reveal molecular mechanisms underpinning coral health and adaptation to local environmental stressors, which may support host resilience in the face of anthropogenic climate change and pollution.

    • Lauren F. Messer
    • , David G. Bourne
    •  & Gene W. Tyson

  • Article
    | Open Access

    Rising global temperatures cause widespread bleaching of shallow coral reefs but mesophotic reefs at depths over 30 metres are thought to be sheltered by cooler waters. Here, at sites in the Chagos Archipelago, the authors show bleaching of corals at depths of 90 metres, which might be due to warm surface waters being pushed deeper by the ocean’s response to the Indian Ocean Dipole.

    • Clara Diaz
    • , Nicola L. Foster
    •  & Phil Hosegood

  • Article
    | Open Access

    Predictions of coral reef dynamics under climate change are hindered by lack of long-term records. Here the authors couple historical and re-survey data from the Great Barrier Reef to show major phase-shifts in the coral and non-coral community over the last 90 years.

    • Maoz Fine
    • , Ove Hoegh-Guldberg
    •  & Sophie Dove

  • Article
    | Open Access

    Corals occasionally split their spawning over two consecutive months rather than utilising a single annual event. Here, the authors model coral larval dispersal to show that split spawning may increase the reliability of larval supply to reefs, with implications for recovery from disturbances.

    • Karlo Hock
    • , Christopher Doropoulos
    •  & Peter J. Mumby

  • Article
    | Open Access

    The establishment of marine reserves in areas previously exploited by humans is recognised as an effective conservation tool. Through modelling effects of isolation from human influence, D'agata et al. show that marine reserves fall short of supporting key ecological values compared with wilderness areas.

    • Stéphanie D’agata
    • , David Mouillot
    •  & Laurent Vigliola

  • Article
    | Open Access

    Over a geological timescale, plate tectonics are thought to promote biodiversity, but this link remained descriptive. Here, Leprieur et al. model dynamically how plate tectonics shaped species diversification and movement of hotspots on tropical reefs over the past 140 million years.

    • Fabien Leprieur
    • , Patrice Descombes
    •  & Loïc Pellissier

  • Article
    | Open Access

    Predicting coral response to ocean acidification is dependent on our understanding of their internal carbonate chemistry. Here, using microelectrodes, the authors show that corals elevate pH and carbonate ion concentration in their calcifying fluid, but keep total dissolved inorganic carbon low.

    • Wei-Jun Cai
    • , Yuening Ma
    •  & Yongchen Wang

  • Article
    | Open Access

    Studies of coral in laboratory settings are limited by a lack of reliable methods for manipulation of the coral microenvironment and monitoring of coral processes in vitro. Here the authors develop coral-on-a-chip, a microfluidic platform to enable study of coral processes at single-cell resolution.

    • Orr H. Shapiro
    • , Esti Kramarsky-Winter
    •  & Assaf Vardi

  • Article
    | Open Access

    As the oceans become acidic, corals reefs are threatened, generating a need to understand the driving forces controlling the chemical state of the Great Barrier Reef. Here, the authors show a greater spatial variability than previously reported, created by the interaction of reef processes and ocean circulation.

    • Mathieu Mongin
    • , Mark E. Baird
    •  & Andrew D. L. Steven

  • Article
    | Open Access

    The Island Mass Effect (IME), where island proximity enhances phytoplankton biomass, remains a poorly understood phenomenon. Here, the authors show the IME is a common feature among Pacific reefs, driving increased production that creates biological hotspots in otherwise barren ocean basins.

    • Jamison M. Gove
    • , Margaret A. McManus
    •  & Gareth J. Williams

  • Article
    | Open Access

    Knowing which species traits may confer resilience to human-mediated stressors will help predict future impacts on biodiversity. Here, Mellin et al. show that large bodied fish with small geographic ranges are disproportionately affected by the negative impacts of human disturbance and climate variability.

    • C. Mellin
    • , D. Mouillot
    •  & M. J. Caley

  • Article
    | Open Access

    The failure of a broad fringing coral reef to protect the village of Hemani from a tsunami-like wave during Typhoon Haiyan came as a destructive surprise. Here, the authors present results from a phase-resolving wave model and show that the steep reef face facilitated the release of energetic infragravity waves.

    • Volker Roeber
    •  & Jeremy D. Bricker

  • Article
    | Open Access

    The last interglacial has been suggested as a test bed for models developed for future climate prediction, yet many climatic parameters remain unknown. Here, the authors present a precisely dated fossil coral and show that temperature seasonality in the southern Caribbean Sea 118 ka was similar to today.

    • Thomas Felis
    • , Cyril Giry
    •  & Sander R. Scheffers

  • Article |

    Understanding how corals may react to ocean acidification is hampered due to a lack of insight into how corals source the inorganic carbon required to build their skeletons. Here, the authors show that corals are able to concentrate dissolved carbon and that bicarbonate contributes to the carbon pool used to build their skeletons.

    • Nicola Allison
    • , Itay Cohen
    •  & Alexander W. Tudhope

  • Article |

    Species richness of predators in Pacific coral reef communities is less sensitive to habitat isolation than the species richness of their prey. Here, Stier et al. develop a colonization–extinction model to show that this pattern can be explained by limitations in prey dispersal at the larval stage.

    • Adrian C. Stier
    • , Andrew M. Hein
    •  & Michel Kulbicki

  • Article
    | Open Access

    The Great Barrier Reef (GBR) is under threat from rising ocean temperatures, yet its response to past temperature change is poorly known. Felis et al. show that the GBR experienced a much steeper temperature gradient during the last deglaciation, suggesting it may be more resilient than previously thought.

    • Thomas Felis
    • , Helen V. McGregor
    •  & Jody M. Webster

  • Article
    | Open Access

    The risks of flooding to coastal communities are increasing due to coastal development and climate change. Here, the authors use meta-analyses to quantitatively show that coral reefs can significantly reduce risks from natural hazards, and that reef defences can be enhanced cost effectively.

    • Filippo Ferrario
    • , Michael W. Beck
    •  & Laura Airoldi

  • Article
    | Open Access

    El Niño Southern Oscillation has a strong impact on current strength and ocean temperatures off the western Australian coast, but long-term variability is poorly understood. Zinke et al.show a strong link between La Niña and El Niño events and decadal Leeuwin current variability in coral records since 1795.

    • J. Zinke
    • , A. Rountrey
    •  & M.T. McCulloch

  • Article
    | Open Access

    Ocean acidification is affecting the stability of coral reefs, but the exact mineralogical response is poorly understood. Diaz-Pulido et al.show that, under warming conditions, the relative abundance of dolomite increases by as much as 200% and could therefore slow the climate-induced break-up of coral reefs.

    • Guillermo Diaz-Pulido
    • , Merinda C. Nash
    •  & Ulrike Troitzsch

  • Article
    | Open Access

    Forest cover up-river influences the sediments reaching coral reefs, but how this relationship is affected by future climate change is not clear. In a study of the Malagasy coral reefs, Maina et al.find that regional land-use management is more important than mediating climate change for reducing reef sedimentation.

    • Joseph Maina
    • , Hans de Moel
    •  & Jan E. Vermaat

  • Article
    | Open Access

    Coral reef health is declining globally and is projected to lead to net loss of reef structure. This study shows that ecological change across the Caribbean has reduced reef growth rates to levels lower than those measured over the last ~8,000 years, threatening the ability of reefs to keep pace with future sea-level rise.

    • Chris T. Perry
    • , Gary N. Murphy
    •  & Peter J. Mumby

  • Article |

    Ocean acidification due to increasing carbon dioxide levels can affect the growth and viability of corals. In this study, the authors measured extension, calcification and density in Florida corals collected in 1996, and show that recent climate change did not cause a decline in their extension or calcification.

    • Kevin P. Helmle
    • , Richard E. Dodge
    •  & C. Mark Eakin

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