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A global map of mangrove forest soil carbon at 30 m spatial resolution

Sanderman, Jonathan, Hengl, Tomislav, Fiske, Greg, Solvik, Kylen, Adame, Maria Fernanda, Benson, Lisa, Bukoski, Jacob J., Carnell, Paul, Cifuentes-Jara, Miguel, Donato, Daniel, Duncan, Clare, Eid, Ebrahem M., zu Ermgassen, Philine, Lewis, Carolyn J Ewers, Macreadie, Peter I., Glass, Leah, Gress, Selena, Jardine, Sunny L., Jones, Trevor G., Nsombo, Eugéne Ndemem, Rahman, Md Mizanur, Sanders, Christian J., Spalding, Mark and Landis, Emily 2018, A global map of mangrove forest soil carbon at 30 m spatial resolution, Environmental research letters, vol. 13, no. 5, doi: 10.1088/1748-9326/aabe1c.

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Title A global map of mangrove forest soil carbon at 30 m spatial resolution
Author(s) Sanderman, Jonathan
Hengl, Tomislav
Fiske, Greg
Solvik, Kylen
Adame, Maria Fernanda
Benson, Lisa
Bukoski, Jacob J.
Carnell, Paul
Cifuentes-Jara, Miguel
Donato, Daniel
Duncan, ClareORCID iD for Duncan, Clare orcid.org/0000-0001-5315-2997
Eid, Ebrahem M.
zu Ermgassen, Philine
Lewis, Carolyn J Ewers
Macreadie, Peter I.ORCID iD for Macreadie, Peter I. orcid.org/0000-0001-7362-0882
Glass, Leah
Gress, Selena
Jardine, Sunny L.
Jones, Trevor G.
Nsombo, Eugéne Ndemem
Rahman, Md Mizanur
Sanders, Christian J.
Spalding, Mark
Landis, Emily
Journal name Environmental research letters
Volume number 13
Issue number 5
Article ID 055002
Total pages 12
Publisher IOP Publishing
Place of publication Bristol, Eng.
Publication date 2018-05
ISSN 1748-9318
Keyword(s) Science & Technology
Life Sciences & Biomedicine
Physical Sciences
Environmental Sciences
Meteorology & Atmospheric Sciences
Environmental Sciences & Ecology
SOUTHEAST-ASIA
LAND-USE
STOCKS
COASTAL
SEQUESTRATION
DEFORESTATION
ACCUMULATION
LOSSES
POLICY
RATES
Summary With the growing recognition that effective action on climate change will require a combination of emissions reductions and carbon sequestration, protecting, enhancing and restoring natural carbon sinks have become political priorities. Mangrove forests are considered some of the most carbon-dense ecosystems in the world with most of the carbon stored in the soil. In order for mangrove forests to be included in climate mitigation efforts, knowledge of the spatial distribution of mangrove soil carbon stocks are critical. Current global estimates do not capture enough of the finer scale variability that would be required to inform local decisions on siting protection and restoration projects. To close this knowledge gap, we have compiled a large georeferenced database of mangrove soil carbon measurements and developed a novel machine-learning based statistical model of the distribution of carbon density using spatially comprehensive data at a 30 m resolution. This model, which included a prior estimate of soil carbon from the global SoilGrids 250 m model, was able to capture 63% of the vertical and horizontal variability in soil organic carbon density (RMSE of 10.9 kg m−3). Of the local variables, total suspended sediment load and Landsat imagery were the most important variable explaining soil carbon density. Projecting this model across the global mangrove forest distribution for the year 2000 yielded an estimate of 6.4 Pg C for the top meter of soil with an 86–729 Mg C ha−1 range across all pixels. By utilizing remotely-sensed mangrove forest cover change data, loss of soil carbon due to mangrove habitat loss between 2000 and 2015 was 30–122 Tg C with >75% of this loss attributable to Indonesia, Malaysia and Myanmar. The resulting map products from this work are intended to serve nations seeking to include mangrove habitats in payment-for- ecosystem services projects and in designing effective mangrove conservation strategies.
Language eng
DOI 10.1088/1748-9326/aabe1c
Field of Research MD Multidisciplinary
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2018, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30108614

Document type: Journal Article
Collections: School of Life and Environmental Sciences
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.