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Mangrove restoration potential: A global map highlighting a critical opportunity

Worthington, Thomas and Bunting, Pete and Cormier, Nicole and Donnison, Amy and Fatoyinbo, Lola and Friess, Dan and Hengl, Tomislav and Hilarides, Lammert and Krauss, Ken and Lagomasino, David and Leinenkugel, Patrick and Longley-Wood, Kate and Lovelock, Cath and Lucas, Richard and Murray, Nick and Narayan, Siddharth and Sutherland, William and Ermgassen, Philine and Spalding, Mark (2019) Mangrove restoration potential: A global map highlighting a critical opportunity. The 5th international Mangrove Macrobenthos and Management meeting (MMM5), 01.-05. Jul. 2019, Singapore.

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Abstract

Rapid losses of mangroves over the past 50 years have had negative consequences on the environment, climate, and humanity, through diminished benefits such as carbon storage, coastal protection and fish production. Restoration of mangrove forests is possible, and has already been undertaken in many settings, but such efforts have been piecemeal, and many have failed. The current work describes the findings from a new effort to locate and map, on a global scale, the places where mangroves can be restored, and to calculate the potential benefits from such restoration. As a framework for the study, a new global typology of mangroves has been developed with Mangrove areas classified into deltaic, estuarine, lagoonal and fringing systems, and subsequent analyses based on the resulting 6000 individual typological units. In total, some 8,120 km2, or 6%, of former mangrove area are considered restorable. An expert-derived model for restorability has been developed based on the key environmental components, tidal range; recent sea Level rise; projected future sea level rise; recent change in sediments; time since loss; average size of loss patches; and the proximity of loss areas to remaining mangroves, that influence the ease of restoration. Using this model, some 6,665 km2 are considered highly restorable. The work overlays current and potential mangroves areas with models of ecosystem services to assess potential benefits from restoration, including carbon sequestration in aboveground biomass amounting to 69 million tonnes of carbon, the saving of 296 million tonnes of soil carbon stocks through a combination of avoided emissions and sequestration and the addition of commercial fisheries species in mangrove waters totalling 23 trillion young-of year finfish and 40 trillion crabs, shrimp and molluscs. The output of the work the Mangrove Restoration Potential Map, provides a critical tool for encouraging restoration and enabling robust, data-driven policy changes and investments.

Item URL in elib:https://elib.dlr.de/127024/
Document Type:Conference or Workshop Item (Speech)
Title:Mangrove restoration potential: A global map highlighting a critical opportunity
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Worthington, ThomasUNSPECIFIEDUNSPECIFIED
Bunting, PeteUNSPECIFIEDUNSPECIFIED
Cormier, NicoleUNSPECIFIEDUNSPECIFIED
Donnison, AmyUNSPECIFIEDUNSPECIFIED
Fatoyinbo, LolaUNSPECIFIEDUNSPECIFIED
Friess, DanUNSPECIFIEDUNSPECIFIED
Hengl, TomislavUNSPECIFIEDUNSPECIFIED
Hilarides, LammertUNSPECIFIEDUNSPECIFIED
Krauss, KenUNSPECIFIEDUNSPECIFIED
Lagomasino, DavidUNSPECIFIEDUNSPECIFIED
Leinenkugel, PatrickPatrick.Leinenkugel (at) dlr.deUNSPECIFIED
Longley-Wood, KateUNSPECIFIEDUNSPECIFIED
Lovelock, CathUNSPECIFIEDUNSPECIFIED
Lucas, RichardUNSPECIFIEDUNSPECIFIED
Murray, NickUNSPECIFIEDUNSPECIFIED
Narayan, SiddharthUNSPECIFIEDUNSPECIFIED
Sutherland, WilliamUNSPECIFIEDUNSPECIFIED
Ermgassen, PhilineUNSPECIFIEDUNSPECIFIED
Spalding, MarkUNSPECIFIEDUNSPECIFIED
Date:1 July 2019
Refereed publication:No
Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Accepted
Keywords:Mangrove, restoration, potential
Event Title:The 5th international Mangrove Macrobenthos and Management meeting (MMM5)
Event Location:Singapore
Event Type:international Conference
Event Dates:01.-05. Jul. 2019
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Remote sensing and geoscience
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center > Land Surface Dynamics
Deposited By: Leinenkugel, Patrick
Deposited On:08 Apr 2019 12:18
Last Modified:08 Apr 2019 12:18

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