Impacts of climate change on aquaculture
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...
Main Authors: | , , , , , , , , , |
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Other Authors: | , , , , , , |
Format: | Book Part |
Language: | English |
Published: |
Marine Climate Change Impacts
2020
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Subjects: | |
Online Access: | http://hdl.handle.net/1893/33204 https://doi.org/10.14465/2020.arc21.aqu http://archive.mccip.org.uk/media/2031/21_aquaculture_2020.pdf http://dspace.stir.ac.uk/bitstream/1893/33204/1/21_aquaculture_2020.pdf |
Summary: | 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. |
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