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A 3D modeling method to calculate the surface areas of coral branches

journal contribution
posted on 06.12.2017, 00:00 by Alison Jones, R Berkelmans, N Cantin, A Negri, W Sinclair
The quantification of physiological and biochemical parameters in coral branches require normalization to a stable factor such as the tissue biomass or surface area. 3D animation software (Gmax®) was evaluated for estimating the surface area of simple coral branches. The software was highly predictive of the known surface areas of small (20 – 60 mm long) plastic rods and cones (r2 > 0.99), and for small (30 – 60 mm) Acropora millepora branches (r2 = 0.98) whose surface area had been obtained using the traditional wax-weight method. Two normalization parameters, 3D modeled surface area and tissue biomass (measured as protein), were then compared for A. millepora branches collected in summer and winter. In winter, protein and surface area were correlated (r2 > 0.61) but not in summer, indicating that choice of normalizing parameter will influence the outcome of experimental analyses.

Funding

Category 1 - Australian Competitive Grants (this includes ARC, NHMRC)

History

Volume

27

Issue

3

Start Page

521

End Page

526

Number of Pages

6

eISSN

0722-4028

ISSN

1432-0975

Location

Berlin

Publisher

Springer

Language

en-aus

Peer Reviewed

Yes

Open Access

No

Era Eligible

Yes

Journal

Coral reefs : journal of the International Society for Reef Studies.

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