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Biomass and productivity of seagrasses in Africa

Githaiga, Michael N; Gilpin, Linda; Kairo, James G; Huxham, Mark

Authors

Michael N Githaiga

James G Kairo



Abstract

There is growing interest in carbon stocks and flows in seagrass ecosystems, but recent global reviews suggest a paucity of studies from Africa. This paper reviews work on seagrass productivity, biomass and sediment carbon in Africa. Most work was conducted in East Africa with a major geographical gap in West Africa. The mean above-ground, below-ground and total biomasses from all studies were 174.4, 474.6 and 514 g DW m-2, respectively with a global range of 461-738 g DW m-2. Mean annual production rate was 913 g DW m-2 yr-1 (global range 816 - 1012 g DW m-2 yr-1). No studies were found giving sediment organic carbon, demonstrating a major gap in seagrass blue carbon work. Given the small numbers of relevant papers and the large geographical areas left undescribed in Africa, any conclusions remain tentative and much remains to be done on seagrass studies in Africa.

Journal Article Type Article
Acceptance Date Apr 26, 2016
Online Publication Date May 25, 2016
Publication Date Jun 1, 2016
Deposit Date May 3, 2016
Publicly Available Date May 26, 2017
Journal Botanica Marina
Print ISSN 0006-8055
Electronic ISSN 1437-4323
Publisher De Gruyter
Peer Reviewed Peer Reviewed
Volume 59
Issue 2-3
Pages 173-186
DOI https://doi.org/10.1515/bot-2015-0075
Keywords Africa; blue carbon; productivity; seagrasses;
Public URL http://researchrepository.napier.ac.uk/id/eprint/9971
Contract Date May 3, 2016

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