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Fig. 5 | Helgoland Marine Research

Fig. 5

From: Increasing species richness of the macrozoobenthic fauna on tidal flats of the Wadden Sea by local range expansion and invasion of exotic species

Fig. 5

Numbers of sampling sites (among a total of 15) where at least 1 specimen was found in the samples taken in late-winter/early-spring in the indicated year of 4 newly introduced species. a (solid squares) Ensis directus and (open circles) Hemigrapsus takanoi; b (solid squares) Marenzelleria viridis and (open circles) Crassostrea gigas

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Helgoland Marine Research

ISSN: 1438-3888

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