Recent research indicates that farming Pacific oysters in UK waters poses few environmental risks and could even benefit marine ecosystems. The study, conducted by Envision Marine and the University of Essex, found that oyster farms enhance biodiversity and improve water quality.

Despite Pacific oysters being classified as an invasive species in England and Wales, the new findings challenge concerns about their impact. The study, part of the Fisheries Industry Science Partnership (FISP) project, used underwater footage and sediment samples to assess the effects of oyster farms compared to control sites without oysters. Results showed minimal adverse impacts, with some areas exhibiting higher seabed biodiversity and better nitrogen cycling.

Oyster farmers like Andy Woolmer from Pembrokeshire and Tim Edwards from Devon welcomed the findings, noting that their farms support marine life and water quality. However, regulatory hurdles remain, as Natural England’s cautious stance on oyster farming has led to inconsistent policies across the UK.

David Jarrad of the Shellfish Association of Great Britain argues that Pacific oysters are here to stay and emphasizes the need for a balanced regulatory approach. With European countries already benefiting from oyster farming, Jarrad calls for the UK to align its policies to support a growing industry.

For more details, the full report is available at Envision Marine’s website.

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