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Can greening of aquaculture sequester blue carbon?

Can greening of aquaculture sequester blue carbon?

Ahmed, Nesar, Bunting, Stuart W. ORCID: 0000-0003-0151-7733, Glaser, Marion, Flaherty, Mark S. and Diana, James S. (2016) Can greening of aquaculture sequester blue carbon? AMBIO: A Journal of the Human Environment, 46 (4). pp. 468-477. ISSN 0044-7447 (Print), 1654-7209 (Online) (doi:https://doi.org/10.1007/s13280-016-0849-7)

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Abstract

Globally, blue carbon (i.e., carbon in coastal and marine ecosystems) emissions have been seriously augmented due to the devastating effects of anthropogenic pressures on coastal ecosystems including mangrove swamps, salt marshes, and seagrass meadows. The greening of aquaculture, however, including an ecosystem approach to Integrated Aquaculture-Agriculture (IAA) and Integrated Multi-Trophic Aquaculture (IMTA) could play a significant role in reversing this trend, enhancing coastal ecosystems, and sequestering blue carbon. Ponds within IAA farming systems sequester more carbon per unit area than conventional fish ponds, natural lakes, and inland seas. The translocation of shrimp culture from mangrove swamps to offshore IMTA could reduce mangrove loss, reverse blue carbon emissions, and in turn increase storage of blue carbon through restoration of mangroves. Moreover, offshore IMTA may create a barrier to trawl fishing which in turn could help restore seagrasses and further enhance blue carbon sequestration. Seaweed and shellfish culture within IMTA could also help to sequester more blue carbon. The greening of aquaculture could face several challenges that need to be addressed in order to realize substantial benefits from enhanced blue carbon sequestration and eventually contribute to global climate change mitigation.

Item Type: Article
Uncontrolled Keywords: aquaculture, blue carbon, coastal ecosystems, climate change, mitigation
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
S Agriculture > SH Aquaculture. Fisheries. Angling
Faculty / Department / Research Group: Faculty of Engineering & Science
Faculty of Engineering & Science > Natural Resources Institute
Faculty of Engineering & Science > Natural Resources Institute > Food & Markets Department
Last Modified: 23 Jun 2020 17:36
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
Selected for GREAT 2019: None
Selected for REF2021: None
URI: http://gala.gre.ac.uk/id/eprint/27539

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