Data Set (knb-lter-mcr.5011.1)

MCR LTER: Coral Reef: Data in support of Wall and Edmunds 2013 Biological Bulletin, v225 no. 2, 92-101

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Data Set General Information:
Identifier: knb-lter-mcr.5011.1 (in the knb Catalog System)
Alternate Identifier: knb-lter-mcr.5011

These data were generated from a one-time experiment in support of a coral ecophysiology manuscript published in The Biological Bulletin.

Wall and Edmunds (2013) The Biological Bulletin vol. 225 no. 2: 92-101

Juvenile colonies of massive Porites spp. were exposed to manipulated pH and bicarbonate ([HCO3-]) in situ to test the hypothesis that ocean acidification (OA) does not affect respiration and calcification. Incubations lasted 28 h and exposed corals to ambient temperature and light with ecologically relevant water motion. Three treatments were applied: (1) ambient conditions of pH 8.04 and 1751 μmol HCO3- kg-1 (Treatment 1), (2) pCO2-induced ocean acidification of pH 7.73 and 2011 μmol HCO3- kg-1 (Treatment 2), and (3) pCO2 and HCO3--enriched seawater of pH 7.69 and 2730 μmol HCO3- kg-1 (Treatment 3). The third treatment providing elevated [HCO3-] was used to test for stimulatory effects of dissolved inorganic carbon on calcification under low pH and low saturation of aragonite (Ωarag), but it does not reflect conditions expected to occur under CO2-driven OA. Calcification of juvenile massive Porites spp. was affected by treatments, with an 81% elevation in Treatment 3 versus Treatment 1, but no difference between Treatments 1 and 2; respiration and the metabolic expenditure concurrent with calcification remained unaffected. These findings indicate that juvenile massive Porites spp. are resistant to short exposures to OA in situ, and separately, that they can increase calcification at low pH and low Ωarag if [HCO3-] is elevated. Juvenile Porites spp. may therefore be limited by dissolved inorganic carbon under ambient pCO2 conditions.

Publication Date: 2014-02-24
Language: english
Time Period:
Detailed Data Description and Download:
Carbonate Chemistry
Carbonate chemistry of seawater for three experimental treatments. Raw values published in Table 1 of Wall and Edmunds 2013 Biological Bulletin.
In situ water temperature during experiments.
Light Intensity during TA anomaly
Light intensity during TA anomaly in situ incubation.
Light Intensity for integration
In situ light intensity during experiments.
Sunlight spectrum transmitted
Data published in Figure 2 of Wall and Edmunds 2013 Biological Bulletin. The spectral comparison of the relative irradiance of natural and transmitted sunlight measured from 350 to 1000 nm.
Respiration and Calicification
Respiration, calcification, and cost of calcification for corals in three experimental treatments. Data published in Figure 3 of Wall and Edmunds 2013 Biological Bulletin.
People and Organizations:
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Contact: Information Manager (Moorea Coral Reef LTER) [  email ]
Organization Moorea Coral Reef LTER
Owner: Wall, Christopher (Moorea Coral Reef LTER) [  email ]
Owner: Edmunds, Peter (Moorea Coral Reef LTER) [  email ]
Associate: Moriarty, Vincent (Moorea Coral Reef LTER)

Data Set Citation

How to cite this dataset: Wall, C and P. Edmunds of Moorea Coral Reef LTER. 2014. MCR LTER: Coral Reef: Data in support of Wall and Edmunds 2013 Biological Bulletin, v225 no. 2, 92-101. knb-lter-mcr.5011.1

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Key Words and Terms

By Thesaurus:
Institute, Organization, or Funding Agency California State University Northridge, Gordon and Betty Moore Foundation, NSF, Richard B. Gump South Pacific Research Station, University of California Santa Barbara
French Polynesia, Moorea
Porites, Scleractinia, Scleractinian Coral
NBII Biocomplexity Thesaurus Carbonate rocks, Coral Reefs, Corals, Lagoons, Marine environments, Polyps (organisms), Populations, Shallow water
LTER Core Research Area Disturbance
MCR Research Theme Ocean Acidification, Reef Resistance and Resilience
MCR-LTER Working Group Population and Community Dynamics, Physiology of Corals

Data Set Usage Rights

Data collected under the auspices of the MCR LTER are available to the public after primary publication, or at most two years after the completion of the study unless proprietary restrictions are warranted. Use of MCR LTER data is subject to acceptance of the following conditions:

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Additional Metadata

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