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Fig. 4 | Helgoland Marine Research

Fig. 4

From: Seagrass recovery in the Northern Wadden Sea?

Fig. 4

Firm clay of drunken medieval marshland superimposed by marine sediments. Former drainage ditch provides sufficient sediment depth for Arenicola marina. By bioturbation the lugworm inhibits the seagrass Zostera noltii. Schematic from observations at Hallig Hooge, Nordstrandischmoor and Pellworm (see text)

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Helgoland Marine Research

ISSN: 1438-3888

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