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Table 4 Coefficients of between-species Spearman correlations in various years of the 1970–2017 period (n = 48) for their total biomass (in g AFDM m−2) in late winter

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?

  Mytilus edulis Mya arenaria Limecola balthica
Cerastoderma edule + 0.14 − 0.06 (− 0.02) − 0.10
Mytilus edulis   − 0.05 (+ 0.06) + 0.07
Mya arenaria    − 0.33 (− 0.22)*
  1. Statistical significance indicated by * (p < 0.05). Data for M. arenaria of < 5 cm between brackets