Quantifying habitat provisioning at macroalgal cultivation sites.

Corrigan, S; Brown, AR; Ashton, IGC; Smale, DA; Tyler, CR. 2022 Quantifying habitat provisioning at macroalgal cultivation sites.. Reviews in Aquaculture. https://doi.org/10.1111/raq.12669

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Abstract/Summary

Macroalgal cultivation is expanding rapidly, and promises to contribute significantly towards future food and energy security, sustainable livelihoods, ecosystem services and habitat provisioning for a range of associated organisms globally. Habitat provisioning underpins biodiversity and ecosystem structure and functioning, supports many ecosystem services and has possible benefits to other marine industries, including enhancement of commercial fish stocks. In macroalgal cultivation, however, only recently has habitat provisioning started to be assessed at a local scale (within a farm's footprint) and with a range of different approaches. This review evaluates techniques used to quantify habitat provisioning in and around macroalgal cultivation sites, for species ranging from microorganisms to megafauna, and outlines recommendations to enable a more comprehensive ecological valuation of macroalgal cultivation in the future. The majority of information on biodiversity associated with macroalgal cultivation is associated with quantifying biofouling or pest organisms, rather than the contribution of colonising species to healthy ecosystem functioning. We suggest how better monitoring of macroalgal cultivation could enable an ecosystem approach to aquaculture (EAA) in the future. To achieve this, we highlight the need for standardised and robust methods for quantifying habitat provisioning that will enable assessment and monitoring of macroalgal cultivation sites of varying scales and within different regions and environmental settings. Increased evidence for the potential habitat value of macroalgal cultivation sites will help inform and shape marine legislation, licencing and certification for macroalgal farmers and potentially reduce marine user conflicts, helping the industry to continue to grow sustainably using EAA.

Item Type: Publication - Article
Additional Keywords: Census Techniques, Ecosystem Services, Environmental Monitoring, Marine Ecology, Seaweed Aquacuture
Subjects: Aquaculture
Ecology and Environment
Marine Sciences
Divisions: Marine Biological Association of the UK > Knowledge Exchange
Depositing User: Tamar Atkinson
Date made live: 29 Apr 2022 15:05
Last Modified: 29 Apr 2022 15:05
URI: http://plymsea.ac.uk/id/eprint/9643

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