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Authors Gillerot, L; Vlaminck, E; De Ryck, DJR; Mwasaru, DM; Beeckman, H; Koedam, N
Author Full Name Gillerot, Loic; Vlaminck, Ellen; De Ryck, Dennis J. R.; Mwasaru, Donald Maringa; Beeckman, Hans; Koedam, Nico
Title Inter- and intraspecific variation in mangrove carbon fraction and wood specific gravity in Gazi Bay, Kenya
Source ECOSPHERE
Language English
Document Type Article
Author Keywords blue carbon; carbon fraction; Gazi Bay; mangroves; wood specific gravity
Keywords Plus ALLOMETRIC EQUATIONS; ABOVEGROUND BIOMASS; DENSITY; FORESTS; STOCKS; PRODUCTIVITY; PLANTATIONS; VARIABILITY; SALINITY; SERVICES
Abstract The tropical mangrove ecosystem harbors great potential for carbon offsetting schemes because of their exceptionally high carbon sequestration potential. These cannot only generate an income for local communities by financially compensating for the non-exploitation of protected or replanted stands, but also simultaneously reduce emissions due to forest degradation and deforestation, thereby helping to counteract the global threat on these forests. As carbon is directly monetized through offsetting carbon emissions, accurate species-specific estimation of carbon content in trees is essential and reduces the propagation of errors generated by accounting uncertainties. Accordingly, this study assessed variation in both carbon fraction and wood specific gravity among and within the 10 mangrove species occurring in Gazi Bay, Kenya. Significant interspecific differences were found with values ranging from 45.8% (Avicennia marina) to 49.8% (Ceriops tagal) for carbon fraction and from 0.58 (Sonncratia alba) to 0.93 (Pemphis acidula) for wood specific gravity. The influence of environmental factors (soil salinity, stand density, and elevation a.s.l. as a proxy for multiple interrelated conditions) was investigated, but only elevation a.s.l. appeared to have a species-specific though moderate influence only on carbon fraction. Significant differences in carbon fraction and wood specific gravity were found between stem, aerial roots, and branches of Rhizophora mucronata. In contrast, no significant differences in carbon fraction were found among different stem tissues of A. marina, C. tagal and R. mucronata, the Bay's most abundant species. These results provide insight in carbon content variation, confirming the importance of considering species-specific or even site-specific values of carbon fraction and wood specific gravity, thereby rendering future carbon accounting more accurate.
Author Address [Gillerot, Loic; Vlaminck, Ellen; De Ryck, Dennis J. R.; Koedam, Nico] Vrije Univ Brussel, Plant Biol & Nat Management, Ecol & Biodivers, Pl Laan 2, B-1050 Brussels, Belgium; [Mwasaru, Donald Maringa] Kenya Marine & Fisheries Res Inst, POB 81651, Mombasa, Kenya; [Beeckman, Hans] RMCA, Lab Wood Biol & Xylarium, Leuvensesteenweg 13, B-3080 Tervuren, Belgium
Reprint Address Gillerot, L (corresponding author), Vrije Univ Brussel, Plant Biol & Nat Management, Ecol & Biodivers, Pl Laan 2, B-1050 Brussels, Belgium.
E-mail Address loic.gillerot@hotmail.com
ResearcherID Number Beeckman, Hans/I-7653-2019
ORCID Number Beeckman, Hans/0000-0001-8954-6277
Funding Agency and Grant Number Flemish International Council (VLIR-UOS)
Funding Text We would like to thank James G. Kairo, Anne Wanjiru, Anne Van Zon, Elias Goossens, Pieter Wolfs, Jan Bouwens, and David Verstraeten for assistance during field and laboratory work. Thanks to Bram Vanschoenwinkel for remarks concerning data treatment and Luiza de Paula and Columba Martinez for proofreading. We acknowledge the Kenya Marine and Fisheries Research Institute (KMFRI) for logistic support and the Flemish International Council (VLIR-UOS) for providing the financial needs for fieldwork.
Times Cited 2
Total Times Cited Count (WoS, BCI, and CSCD) 2
Publisher WILEY
Publisher City HOBOKEN
Publisher Address 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
ISSN 2150-8925
29-Character Source Abbreviation ECOSPHERE
ISO Source Abbreviation Ecosphere
Publication Date JUN
Year Published 2018
Volume 9
Issue 6
Article Number e02306
Digital Object Identifier (DOI) 10.1002/ecs2.2306
Page Count 17
Web of Science Category Ecology
Subject Category Environmental Sciences & Ecology
Document Delivery Number GO4QP
Unique Article Identifier WOS:000439997600022
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