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Geographical

Official magazine of the Royal Geographical Society (with IBG)

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How does the UK treat its seas?

8 September 2025
3 minutes

The sea
Seas are vital in providing a home for wildlife, as well as generating electricity. Image: Shutterstock


The UK’s relationship with the sea is entangled in politics, trade and tradition – but its fishers and marine ecosystems are losing out on all fronts


By Geographical Contributor

For an island nation, Britain has a curious relationship with the food available on its marine doorstep. It eats relatively little fish compared to its European neighbours, yet is a net importer, with a trade gap of 316,000 tonnes in 2022. Fishing represents just 0.02 per cent of the UK economy (2019), yet overfishing remains a concern – particularly for North Sea cod, herring and mackerel.

The domestic fishing industry has experienced long- term decline. The number of fishers has plummeted from 25,000 in the 1980s to around 10,000 today, and the fleet has dropped from more than 10,000 vessels to just 5,400.


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Many UK fishers voted for Brexit in the hope of rebalancing quotas and regaining exclusive access to territorial waters. While UK fishing boats do now have a greater share of some stocks, EU boats are still permitted to fish in UK waters. Post-Brexit export paperwork and checks also disrupted time-critical sectors such as salmon and shellfish.

A trade deal with the EU earlier this year reduced some barriers but extended EU access to UK waters until 2038. Salmon Scotland welcomed the deal as a ‘slashing of red tape’ that would ease access to EU markets. However, the National Federation of Fishermen’s Organisations argued that the deal had given away ‘the best card… that fishing and coastal communities had for growth over the coming decade’.

Breaking waves and sea spray in winter at Porthleven, Cornwall, England, UK
The UK is a net importer of fish, importing more than it exports. Image: Shutterstock

Around 8–10 per cent of UK waters are currently protected, a figure expected to rise to 12–15 per cent under government commitments, according to the Marine Conservation Society (MCS). An update to the UK Marine Strategy this year found that just two of 11 categories assessing the health of UK waters met the standard of Good Environmental Status.

Four partially met the standard, while five – including commercial fish and shellfish, incidental bycatch and marine bird breeding success – failed outright. Beam trawling results in 40 per cent bycatch, says the MCS. According to Chris Graham of the MCS, the UK has lost 95 per cent of its oyster beds and kelp forests. ‘A lot of this can’t come back naturally without our help.’

Bottom trawling also remains common within UK waters. The MCS estimates it takes place in 98 per cent of the UK’s offshore Marine Protected Areas (MPAs) – often due to loopholes in the designation framework. Davies argues this ‘contradicts the objectives of the marine protected areas’.

: View of the harbour with nets and crates on the quay with fishing trawlers in the background
Cod and haddock are UK consumers’ favourite fish. Image: Shutterstockm

An example lies around the island of Papa Westray in Orkney, where an MPA is designated to protect black guillemots. Bottom trawling continues here because the government claims the activity doesn’t directly affect the birds. This anomaly was identified in 2015 but hasn’t yet been addressed.

In June, the UK government announced plans to extend the ban on bottom trawling from 18,000 square kilometres to 48,000 square kilometres of the UK’s offshore protected areas, covering 41 of England’s 181 MPAs.

‘The fishing GDP figure [0.02 per cent] always gets quoted in relation to fishing,’ says Graham. ‘But the industry is disproportionately important to some coastal communities, both for economic and cultural reasons. There’s understandably a lot of ill feeling and mistrust within the industry. Fishing needs to be taken seriously – rather than being offered on the table as part of trade deals.’

Themes Science & Environment Oceans

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Published in the UK since 1935, Geographical is the official magazine of the Royal Geographical Society (with IBG).

Informative, authoritative and educational, this site’s content covers a wide range of subject areas, including geography, culture, wildlife and exploration, illustrated with superb photography.

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