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Reef fish carbonate production assessments highlight regional variation in sedimentary significance

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Salter, MA, Perry, CT, Stuart-Smith, RD ORCID: 0000-0002-8874-0083, Edgar, GJ ORCID: 0000-0003-0833-9001, Wilson, RW and Harborne, AR 2018 , 'Reef fish carbonate production assessments highlight regional variation in sedimentary significance' , Geology, vol. 46, no. 8 , pp. 699-702 , doi: 10.1130/G45286.1.

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Abstract

Recent studies show that all marine bony fish produce mud-sized(–2 yr–1, and upto 105 g m–2 yr–1 at discrete sites with high fish biomass. With projectedproduction rates on lower-latitude reefs up to two-fold higher,these outputs indicate that carbonate production rates by fish can becomparable with other fine-grained carbonate-producing taxa suchas codiacean algae. However, carbonates produced by Australianreef fish assemblages are dominated by a highly unstable amorphouspolymorph; a marked contrast to Caribbean assemblages in whichMg calcite dominates. These findings highlight important regionaldifferences in the sedimentary relevance and preservation potentialof fish carbonates as a function of historical biogeographic processesthat have shaped the world's marine fish faunas.

Item Type: Article
Authors/Creators:Salter, MA and Perry, CT and Stuart-Smith, RD and Edgar, GJ and Wilson, RW and Harborne, AR
Keywords: Reef Life Survey, chemistry, reef fish, citizen science
Journal or Publication Title: Geology
Publisher: Geological Soc America
ISSN: 0091-7613
DOI / ID Number: 10.1130/G45286.1
Copyright Information:

Copyright 2018 the Authors. Licensed under Creative Commons Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/

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