Presence of skeletal banding in a reef-building tropical crustose coralline alga

Lewis, Bonnie; Lough, Janice; Nash, Merinda; Díaz-Pulido, Guillermo

doi:10.1371/journal.pone.0185124

Cited by 8 publications

(2 citation statements)

References 57 publications

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“…All these techniques must be accompanied by measurements of organism surface area to provide an area-normalised calcification rate for use in carbonate budget calculations 70,76,77 . Numerous techniques exist for estimating surface area, spanning a wide range of spatial resolution and precision.…”

Section: Discussionmentioning

confidence: 99%

Crustose coralline algae can contribute more than corals to coral reef carbonate production

Cornwall

Carlot

Branson

et al. 2023

Commun Earth Environ

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Understanding the drivers of net coral reef calcium carbonate production is increasingly important as ocean warming, acidification, and other anthropogenic stressors threaten the maintenance of coral reef structures and the services these ecosystems provide. Despite intense research effort on coral reef calcium carbonate production, the inclusion of a key reef forming/accreting calcifying group, the crustose coralline algae, remains challenging both from a theoretical and practical standpoint. While corals are typically the primary reef builders of contemporary reefs, crustose coralline algae can contribute equally. Here, we combine several sets of data with numerical and theoretical modelling to demonstrate that crustose coralline algae carbonate production can match or even exceed the contribution of corals to reef carbonate production. Despite their importance, crustose coralline algae are often inaccurately recorded in benthic surveys or even entirely missing from coral reef carbonate budgets. We outline several recommendations to improve the inclusion of crustose coralline algae into such carbonate budgets under the ongoing climate crisis.

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Section: Discussionmentioning

confidence: 99%

Crustose coralline algae can contribute more than corals to coral reef carbonate production

Cornwall

Carlot

Branson

et al. 2023

Commun Earth Environ

Self Cite

View full text Add to dashboard Cite

show abstract

“…All these techniques must be accompanied by measurements of organism surface area to provide an area-normalised calci cation rate for use in carbonate budget calculations 71,77,78 . Numerous techniques exist for estimating surface area, spanning a wide range of spatial resolution and precision.…”

Section: Direct Measurements Of Cca Calci Cation Ratesmentioning

confidence: 99%

Increasing importance of crustose coralline algae to coral reef carbonate production under ongoing climate change

Cornwall

Carlot

Branson³

et al. 2022

Preprint

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Understanding the drivers of net coral reef calcium carbonate production is increasingly important as ocean warming, acidification, and other anthropogenic stressors threaten the maintenance of coral reef structures and the services these ecosystems provide. Despite intense research effort on coral reef calcium carbonate production, the inclusion of a key reef forming/accreting calcifying group, the crustose coralline algae (CCA), remains challenging both from a theoretical and practical standpoint. While corals are typically the primary reef builders of today, ongoing declines in coral cover due to a range of environmental perturbations will likely increase the relative importance of CCA and other non-scleractinian calcifying taxa to coral reef carbonate production. Here, we demonstrate that CCA are important carbonate producers that, under certain conditions, can match or even exceed the contribution of corals to coral reef carbonate production. Despite their importance, CCA are often inaccurately recorded in benthic surveys or even entirely missing from coral reef carbonate budgets. We outline several recommendations to improve the inclusion of CCA into such carbonate budgets under the ongoing climate crisis.

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The interplay of temperature, light, and substrate type in driving growth and reproduction of an important tropical crustose coralline alga

Fong,

Jackson,

Flores

et al. 2024

J Appl Phycol

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Crustose coralline algae (CCA) from the genus Titanoderma are reported to induce high levels of coral larval settlement across a wide diversity of species. Consequently, Titanoderma is a promising taxon to cultivate in aquaculture facilities for application in coral reef restoration projects. However, knowledge on the optimum conditions to promote growth and reproduction in Titanoderma is limited. To investigate this, we cultured adult fragments of Titanoderma sp. at two temperatures (27.5 or 30 °C) and two light levels (mean maximum midday irradiance of 10 or 40 µmol photons m−2 s−1) on three different tile materials (CaCO3, concrete, or PVC). We found that the combination of 27.5 °C and 40 µmol photons m−2 s−1 were best for adult fragment growth. Greater number of conceptacles were formed under higher light intensities, while temperature did not have an influence. Sporeling settlement and subsequent growth into juveniles were only evident at 40 µmol photons m−2 s−1, with substantially higher recruitment on substrates made of concrete. These results provide important insights for developing optimal conditions to cultivate Titanoderma sp. in aquaculture facilities to support reef restoration projects using sexually produced corals.

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Presence of skeletal banding in a reef-building tropical crustose coralline alga

Cited by 8 publications

References 57 publications

Crustose coralline algae can contribute more than corals to coral reef carbonate production

Crustose coralline algae can contribute more than corals to coral reef carbonate production

Increasing importance of crustose coralline algae to coral reef carbonate production under ongoing climate change

The interplay of temperature, light, and substrate type in driving growth and reproduction of an important tropical crustose coralline alga

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