During the week of March 23–29, 2026, Rijkswaterstaat launched a new round of seaweed (eelgrass) sowing in the Wadden Sea, aiming to improve site knowledge and restore habitat. Seaweed offers food, shelter, and breeding grounds for many marine species. In 2025, the Griend field shrank slightly, likely due to new mussel beds, while the Ameland field stayed stable, growing from 34 ha to 36 ha. Seed availability was limited, but seedlings produced more seeds, potentially aiding future growth. Experiments with seed and core planting showed mixed results; some cores survived, others did not. New sowing sites will be added to western and eastern Ameland and the Ballastplaat area. The work is part of a five‑year restoration program led by Witteveen+Bos, the University of Groningen, The Fieldwork Company and Altenburg & Wymenga for Rijkswaterstaat.
Source: Rijkswaterstaat
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