The research examined 32 distinct forms of marine use and assessed their compatibility with one another. The most in-depth analysis focused on four combinations considered most promising for the German EEZ: low-trophic aquaculture (mussels, algae, and oysters), passive fishing with basket and trap gear, biogenic reef restoration, and various forms of mobile research.

A key finding is that several of these secondary uses are already permissible under existing German law, without requiring legislative changes.

Nature restoration through biogenic reefs and low-trophic aquaculture, in particular, were found to be technically and legally compatible with operational offshore wind farms, and even offer potential ecological co-benefits such as nutrient removal and habitat creation.

The study recommends designating a limited number of multi-use demonstration areas as a practical next step — sites where secondary uses can be tested at scale, data can be shared across sectors, and approval processes can be refined. It also calls for expanding preliminary site investigations to include parameters relevant to secondary uses from the outset, reducing downstream costs and delays.

The five work packages are available at the BSH website under Expert Studies and Reports.

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Im Mittelpunkt stehen insbesondere Kombinationen von Offshore-Windenergie mit Aquakultur, Fischerei, Naturwiederherstellung und Forschung.

Nachfolgend können alle Berichte der Studie eingesehen werden.

Arbeitspaket 1: Auswertung aktueller Erkenntnisse aus Forschungs- und Drittmittelprojekten zum Them…

Arbeitspaket 2: Auswertung von Mehrfachnutzungen und ihren Konzepten in ausgewählten Nordsee- und O…

Arbeitspaket 2: Auswertung von Mehrfachnutzungen und ihren Konzepten in ausgewählten Nordsee- und O…

Arbeitspaket 3: Untersuchung von in der deutschen AWZ realistisch in Betracht kommenden Kombination…

Arbeitspaket 4: Entwicklung eines Konzeptes für Mehrfachnutzung in der deutschen AWZ anhand konkret…

Arbeitspaket 5: Schlussfolgerungen und Empfehlungen für die Umsetzung des Konzeptes für Mehrfachnut…

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Commissioned by the Federal Maritime and Hydrographic Agency (BSH) on behalf of the Federal Ministry for Housing, Urban Development and Building (BMWSB), the study analyses legal, spatial planning, technical and cross-sectoral framework conditions in order to develop realistic and implementable multi-use concepts.

The focus lies in particular on combinations of offshore wind energy with aquaculture, fisheries, nature restoration and research.

All study reports can be accessed below:

Work package 1: Evaluation of current findings from research and third-party funded projects on the…

Work package 2: Evaluation of multi-use concepts and their applications in selected North Sea and B…

Appendix to Work Package 2: Evaluation of multiuse concepts and their applications in selected Nort…

Work package 3: Investigation of realistic combinations of maritime uses in the German EEZ

Work package 4: Development of a concept for multi-use in the German EEZ based on specific case stu…

Work package 5: Conclusions and recommendations for the implementation of the multi-use concept

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Kybele’s Garden is a biotechnology startup developing high-value solutions for the agrifood sector, including probiotic and prebiotic formulations, functional fertiliser blends, and algal-derived extracts such as phycocyanin.

When joining the Accelerator, the company was navigating a period of transition — new investment, a facility relocation, and certification systems to build from scratch. The programme helped the team develop a roadmap for technology transfer to contract manufacturers, identify critical control points in their production workflow, and align R&D with business goals. Next steps focus on advancing funding applications and scaling in a disciplined, structured way.

L’EAUTELIER

L’EAUTELIER creates ocean-derived interiors, amenities and experiences for hotels, most notably through the Seaweed Suite — described as the world’s first algae-based licensable hotel room concept.

Founder Morgan RÆ joined the programme with a detailed business plan but no clear way to communicate what the company did or how it made money. Through mentorship, the concept was sharpened around a licensable suite with an e-commerce layer, allowing hotel guests to purchase the ocean-derived products they experience in the room. By the end of the programme, L’EAUTELIER had a three-year cash flow projection, updated pitch materials, and template contracts for hotel partners. The Seaweed Suite makes its public debut on 28 May in Wageningen, NL, at the 10th Anniversary Young Algaeneers Symposium.

Round 2 now underway

Building on the results of the first cohort, the Algae Accelerator has launched its second round with a newly selected group of SMEs. The six-month programme follows a structured three-sprint format, offering up to €10,000 in mentoring value per company.

Follow AlgaeProBANOS on LinkedIn to stay updated!

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The Board held its first meeting on 31 March 2026, where members exchanged views, identified strategic priorities and began shaping the Board’s future work programme.

SUBMARINER Network has spent years doing exactly this kind of work in the Baltic and beyond — bringing the right people, projects and initiatives together, supporting innovation across the entire chain from science to practice, and ensuring EU ambitions translate into concrete outcomes at local and national level.

Angela’s appointment reflects the organisation’s standing as a key connector in the Baltic Sea Region and its active role in Mission Ocean implementation through the Blue Mission BANOS Lighthouse.

For more information on the European Ocean Board, visit the European Commission website.

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Based in Denmark, Havhøst is a non-profit NGO dedicated to regenerative ocean farming through community-driven action. Their national network connects more than 40 local “blue community gardens” along the Danish coastline, where thousands of volunteers cultivate seaweed, mussels and oysters — low-trophic species that actively improve water quality and support local biodiversity. Through programmes like “Haven i Havet”, they also bring marine sustainability into schools, and support blue entrepreneurs in developing small-scale, sea-based food businesses.

We look forward to deepening our collaboration with Havhøst, particularly in areas linked to low-trophic aquaculture, education and community-based blue entrepreneurship

Learn more about their work!

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ASSOCIATE MEMBER

Havhøst

Havhøst is at the forefront of a movement to change the blue food system from degenerative to regenerative. By bringing together more than 30 marine gardens growing seaweed, mussels and oysters, Havhøst is helping create a world where harvesting the ocean goes hand in hand with actively restoring it — and where strong local communities and a healthy sea are inseparable.

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This course is your entry to the topic. We explore how the Blue Bioeconomy can contribute to a healthier ocean and a more sustainable future. Combining entrepreneurship, creativity, and ocean science, you’ll examine how marine resources can power real-world business solutions.

Over four weeks, you’ll gain practical insight into building blue bioeconomy ventures — from generating business ideas and developing your entrepreneurial mindset to understanding governance, funding, and stakeholder engagement.

Through real-world case studies, expert connections, and interactive tasks, you’ll develop the skills to turn blue bioeconomy ideas into impactful ventures.

Whether you’re a student, innovator, or professional, this course will prepare you to shape your own path in the growing blue bioeconomy!

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This course explores the principles of land-based aquaculture, algae-based innovation, and business strategy for the growing blue bioeconomy. Combining technical, economic, and environmental perspectives, you’ll examine how sustainability and entrepreneurship intersect in marine resource development.

Over three weeks, you’ll gain practical insight into Recirculating Aquaculture Systems (RAS), circular economy strategies, and the diverse applications of algae — from food and feed to pharmaceuticals and cosmetics.

Through real-world case studies and interactive tasks, you’ll develop the skills to evaluate business models, explore blue bioeconomy value chains, and turn ideas into impactful ventures.

Whether you’re a student, innovator, or professional, this course will prepare you to shape your own path in this exciting and growing field!

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