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GBR - Coral calcification, 1672 - 2005 (MTSRF 1.1.5, AIMS)

Created 12/03/2025

Updated 12/03/2025

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The purpose of this study was to quantify patterns in skeletal density, linear extension and calcification throughout the GBR based on the AIMS Coral Core Archive of 328 colonies of massive Porites from 69 reefs. Annual data for the three growth parameters, skeletal density, annual extension, and calcification rate (the product of skeletal density and annual extension) were obtained from each colony using standard x-ray and gamma densitometry techniques. The data set contains 16,472 annual records, with corals ranging 10 – 436 years in age, most of which were collected in two periods covering 1983 – 1992 and 2002 – 2005. The oldest colony dates back to 1672. As part of the Reef Atlas project (now the eAtlas) the calcification observations were interpolated over the whole GBR by Glenn De'ath using Generalized Additive Models. This produced a gridded version of the dataset and is available as a KML. For the original data contact Janice Lough. Data Units: Skeletal density: g / cm^3; Annual extension: cm / yr; Calcification: g / cm^2 / yr. References:

De'ath G, Lough JM, Fabricius KE (2009) Declining coral calcification on the Great Barrier Reef. Science 323: 116-119 Cooper TF, De'ath G, Fabricius KE, Lough JM (2008). Declining coral calcification on the Great Barrier Reef. Global Change Biology 14: 529–538 Lough JM, Barnes DJ (2000) Environmental controls on growth of the massive coral Porites. Journal of Experimental Marine Biology and Ecology 245: 225-243

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Title GBR - Coral calcification, 1672 - 2005 (MTSRF 1.1.5, AIMS)
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/f4fa5911-da37-479d-8dd7-dd737d15dd53
Contact Point
CSIRO Oceans & Atmosphere
g.death@aims.gov.au
Reference Period 18/09/2023
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "GBR - Coral calcification, 1672 - 2005 (MTSRF 1.1.5, AIMS)". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/gbr-coral-calcification-1672-2005-mtsrf-1-1-5-aims

Original dataset
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