Introduction and Headline Findings

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The astonishing versatility of harvested and processed seaweed results from its natural occurrence and intrinsic extraordinary qualities. Thriving in the wild throughout much of Welsh waters, it is one of the most nutrient-rich life forms on the planet. Its unique compounds have led to a multitude of applications within high value markets, from pharmaceuticals and nutraceuticals to cosmeceuticals and, more recently, advanced medical devices. However to develop an industry for these markets, seaweed needs to be farmed at scale. Can this become a viable proposition for Wales?

Download: Introduction and summary

Headline findings

  • A £105 million industry

  • £76.3 million to GVA

  • Close to 1,000 new jobs

  • Stimulating £29.4m in salaries and remuneration

  • Yielding biomass of 17,700 tonnes (wet)

  • 50% of Wales marine area is in theory suitable for farming kelp

  • Less than 1%, of the available marine space is required

  • Wales has significant opportunity to colocate large scale seaweed farms with offshore renewables (wind farms)

  • Environmental impacts of seaweed farms (50Ha) is minimal

  • Potential for positive contribution through marine net gain, displacement of GHG applications and possible future carbon credits

  • Study engaged 185 stakeholders

Project Madoc The power of seaweed

Project Madoc: A seaweed industry in the making?

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