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Journal article
A global map of mangrove forest soil carbon at 30 m spatial resolution
Environmental research letters, Vol.13(5), p.55002
29/06/2017
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Abstract
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.
Details
- Title
- A global map of mangrove forest soil carbon at 30 m spatial resolution
- Creators
- Jonathan Sanderman - Woodwell Climate Research CenterTomislav Hengl - ISRIC - World Soil Information , Wageningen, The NetherlandsGreg Fiske - Woods Hole Research Center , 149 Woods Hole Road, Falmouth, MA 02540, United States of AmericaKylen Solvik - Woods Hole Research Center , 149 Woods Hole Road, Falmouth, MA 02540, United States of AmericaMaria Fernanda Adame - Australian Rivers Institute, Griffith University , Nathan, QLD, AustraliaLisa Benson - Centre for Environment, Fisheries and Aquaculture Science , Lowestoft, United KingdomJacob J Bukoski - Department of Environmental Science, Policy and Management, University of California , Berkeley, CA, United States of AmericaPaul Carnell - Centre for Integrative Ecology School of Life and Environmental Sciences Deakin University , , Burwood, VIC, AustraliaMiguel Cifuentes-Jara - Forests, Biodiversity and Climate Change Program, CATIE 7170 , Turrialba, Costa RicaDaniel Donato - Washington State Department of Natural Resources , Olympia, WA United States of AmericaClare Duncan - Centre for Integrative Ecology School of Life and Environmental Sciences Deakin University , , Burwood, VIC, AustraliaEbrahem M Eid - Biology Department, College of Science, King Khalid University , Abha 61321, Saudi ArabiaPhiline zu Ermgassen - School of Geosciences, University of Edinburgh , Edinburgh, United KingdomCarolyn J Ewers Lewis - Centre for Integrative Ecology School of Life and Environmental Sciences Deakin University , , Burwood, VIC, AustraliaPeter I Macreadie - Centre for Integrative Ecology School of Life and Environmental Sciences Deakin University , , Burwood, VIC, AustraliaLeah Glass - Blue Ventures Conservation , London, United KingdomSelena Gress - School of Applied Sciences Edinburgh Napier University , Edinburgh, ScotlandSunny L Jardine - School of Marine and Environmental Affairs University of Washington , Seattle, WA, United States of AmericaTrevor G Jones - Department of Forest Resources Management University of British Columbia , Vancouver, BC CanadaEugéne Ndemem Nsombo - Institute of Fisheries and Aquatic Sciences University of Douala , Doula, CameroonMd Mizanur Rahman - Graduate School of Agriculture Kyoto University , Kyoto, JapanChristian J Sanders - National Marine Science Centre Southern Cross University , Coffs Harbour, NSW, AustraliaMark Spalding - The Nature Conservancy , Arlington, VA, United States of AmericaEmily Landis - The Nature Conservancy , Arlington, VA, United States of America
- Publication Details
- Environmental research letters, Vol.13(5), p.55002
- Publisher
- IOP Publishing
- Number of pages
- 12
- Grants
- Increase of soil carbon burial in mangrove wetlands, DP150103286, Australian Research Council
- Grant note
- (DE130101084 and LP160100242)
- Identifiers
- 991012926980702368
- Copyright
- Original content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
- Academic Unit
- National Marine Science Centre; National Centre for Flood Research
- Language
- English
- Resource Type
- Journal article