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Fig. 3 | Helgoland Marine Research

Fig. 3

From: Is food supply for shellfish-eating birds in the western Wadden Sea affected by the between-species synchrony in year-to-year fluctuations of bivalve population parameters?

Fig. 3

Long-term (the 46 years 1973–2018) data series of annual biomass values (g AFDM m−2) observed on Balgzand (means of 15 fixed sampling sites) in late winter of (a) Cerastoderma edule (closed squares) and Mytilus edulis (open circles), (b) of Mya arenaria (closed squares) and Limecola balthica (open circles) and (c) totals of these 4 species, separately for all individuals (open symbols) and those of < 5 cm shell length (solid points)

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Helgoland Marine Research

ISSN: 1438-3888

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