Global patterns in mangrove soil carbon stocks and losses

Trisha B. Atwood (), Rod M. Connolly, Hanan Almahasheer, Paul E. Carnell, Carlos M. Duarte, Carolyn J. Ewers Lewis, Xabier Irigoien, Jeffrey J. Kelleway, Paul S. Lavery, Peter I. Macreadie, Oscar Serrano, Christian J. Sanders, Isaac Santos, Andrew D. L. Steven and Catherine E. Lovelock
Additional contact information
Trisha B. Atwood: Utah State University
Rod M. Connolly: Australian Rivers Institute—Coast and Estuaries, School of Environment, Griffith University
Hanan Almahasheer: University of Dammam (UOD)
Paul E. Carnell: Deakin University, School of Life and Environmental Sciences, Center for Integrative Ecology
Carlos M. Duarte: King Abdullah University of Science and Technology (KAUST), Red Sea Research Center (RSRC)
Carolyn J. Ewers Lewis: Deakin University, School of Life and Environmental Sciences, Center for Integrative Ecology
Xabier Irigoien: AZTI—Marine Research
Jeffrey J. Kelleway: Macquarie University
Paul S. Lavery: School of Science & Centre for Marine Ecosystems Research, Edith Cowan University
Peter I. Macreadie: Deakin University, School of Life and Environmental Sciences, Center for Integrative Ecology
Oscar Serrano: School of Science & Centre for Marine Ecosystems Research, Edith Cowan University
Christian J. Sanders: National Marine Science Centre, School of Environment, Science and Engineering, Southern Cross University
Isaac Santos: National Marine Science Centre, School of Environment, Science and Engineering, Southern Cross University
Andrew D. L. Steven: CSIRO Oceans and Atmosphere, Ecosciences Precinct
Catherine E. Lovelock: Utah State University

Nature Climate Change, 2017, vol. 7, issue 7, 523-528

Abstract: Abstract Mangrove soils represent a large sink for otherwise rapidly recycled carbon (C). However, widespread deforestation threatens the preservation of this important C stock. It is therefore imperative that global patterns in mangrove soil C stocks and their susceptibility to remineralization are understood. Here, we present patterns in mangrove soil C stocks across hemispheres, latitudes, countries and mangrove community compositions, and estimate potential annual CO2 emissions for countries where mangroves occur. Global potential CO2 emissions from soils as a result of mangrove loss were estimated to be ∼7.0 Tg CO2e yr−1. Countries with the highest potential CO2 emissions from soils are Indonesia (3,410 Gg CO2e yr−1) and Malaysia (1,288 Gg CO2e yr−1). The patterns described serve as a baseline by which countries can assess their mangrove soil C stocks and potential emissions from mangrove deforestation.

Date: 2017
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DOI: 10.1038/nclimate3326

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