Quantifying and valuing carbon flows and stores in coastal and shelf ecosystems in the UK

Luisetti, Tiziana, Turner, R. Kerry, Andrews, Julian E., Jickells, Timothy D., Kröger, Silke, Diesing, Markus, Paltriguera, Lucille, Johnson, Martin T., Parker, Eleanor R., Bakker, Dorothee C. E. and Weston, Keith (2019) Quantifying and valuing carbon flows and stores in coastal and shelf ecosystems in the UK. Ecosystem Services, 35. pp. 67-76. ISSN 2212-0416

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    Abstract

    Evidence shows that habitats with potential to mitigate against greenhouse gases emissions, by taking up and storing CO2, are being lost due to the effects of on-going human activities and climate change. The carbon storage by terrestrial habitats (e.g. tropical forests) and the role of coastal habitats (‘Blue Carbon’) as carbon storage sinks is well recognised. Offshore shelf sediments are also a manageable carbon store, covering ∼9% of global marine area, but not currently protected by international agreements to enable their conservation. Through a scenario analysis, we explore the economic value of the damage of human activities and climate change can inflict on UK marine habitats, including shelf sea sediments. In a scenario of increased human and climate pressures over a 25-year period, we estimate damage costs up to US$12.5 billion from carbon release linked to disturbance of coastal and shelf sea sediment carbon stores. It may be possible to manage socio-economic pressure to maintain sedimentary carbon storage, but the trade-offs with other global social welfare benefits such as food security will have to be taken into account. To develop effective incentive mechanisms to preserve these valuable coastal and marine ecosystems within a sustainability governance framework, robust evidence is required.

    Item Type: Article
    Faculty \ School: Faculty of Science > School of Environmental Sciences
    Faculty of Science > School of Chemistry
    Depositing User: LivePure Connector
    Date Deposited: 27 Nov 2018 10:30
    Last Modified: 08 Jun 2019 01:02
    URI: https://ueaeprints.uea.ac.uk/id/eprint/69047
    DOI: 10.1016/j.ecoser.2018.10.013

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