Sediment generation by Halimeda on atoll interior coral reefs of the southern Maldives: A census-based approach for estimating carbonate production by calcareous green algae
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- 作者：Chris T. Perry ; c.perry@exeter.ac.uk ; Kyle M. Morgan ; Michael A. Salter
- 关键词：Carbonate sand ; Coral reef ; Reef island ; Halimeda ; Carbonate production ; Carbonate mud
- 刊名：Sedimentary Geology
- 出版年：2016
- 出版时间：December 2016
- 年：2016
- 卷：346
- 期：Complete
- 页码：17-24
- 全文大小：1053 K
- 卷排序：346
文摘
Here we test a new census-based method for quantifying Halimeda sand generation. Based on data from the Maldives we show Halimeda produce around 70 g CaCO3 m− 2 yr− 1. A high proportion (~ 75–90%) of segments rapidly degrade to mud-grade carbonate. Such sediment fractions are volumetrically unimportant within nearby reef islands. A marked discrepancy occurs between Halimeda production and island sediment supply.