Fig. 2From: Seagrass recovery in the Northern Wadden Sea?Occurrence of seagrass (Zostera noltii and Z. marina) in the intertidal zone of the Northfrisian Wadden Sea in August/September 1994–2006. Intensity of shading refers to the number of years seagrass has been observed. Beds with <20% coverage are not included (see “Methods”)Back to article page