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Title: Impacts of climate change on aquaculture
Author(s): Collins, Catherine
Bresnan, Eileen
Brown, Lyndsay
Falconer, Lynne
Guilder, James
Jones, Laurence
Kennerley, Adam
Malham, Shelagh
Murray, Alexander
Stanley, Michele
Citation: Collins C, Bresnan E, Brown L, Falconer L, Guilder J, Jones L, Kennerley A, Malham S, Murray A & Stanley M (2020) Impacts of climate change on aquaculture. In: MCCIP Science Review 2020. Lowestoft: Marine Climate Change Impacts, p. 482–520.;
Issue Date: 2020
Date Deposited: 31-Aug-2021
Abstract: Aquaculture is a significant industry in UK coastal waters, with annual turnover valued at more than £1.8bn. It particularly important in western and northern Scotland. • Aquaculture is sensitive to the marine environment and changes therein. • The dominant contribution of a single species (Atlantic salmon) to production tonnage and value potentially increases vulnerability to climate change. • Temperature increase is expected to increase growth rates for most species farmed. • Increased problems associated with some diseases and parasites, notably sea lice and gill disease (which has emerged as a serious problem), are likely to increase in the short term and to get worse in the longer term. Impacts may be synergistic. • Harmful Algal Blooms (HABs) and jellyfish swarms/invasions may also get worse, however complex ecosystem interactions make responses uncertain. • The situation for shellfish is similar to finfish, although they are additionally at risk of accumulation of toxins from HABs, and recruitment failure, and, in the longer term, to sea-level rises and ocean acidification. • Technical and management changes in the rapidly evolving aquaculture industry make long-term impacts of climate change difficult to forecast.
Rights: Copyright © 2020 the Author(s). Publisher policy allows this work to be made available in this repository. Published in MCCIP Science Review 2020 by Marine Climate Change Impacts Partnership. The final published version is available at:
DOI Link: 10.14465/2020.arc21.aqu
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