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Table 3 Coefficients of between-species Spearman correlations in various years of the 1979–2015 period for their seasonal weight gains between March and August (in g AFDM ind−1)

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 + 0.68** (16) + 0.66** (15) − 0.09 (20)
Mytilus edulis   + 0.69** (12) + 0.05 (16)
Mya arenaria    − 0.22 (17)
  1. The numbers of years (n) in each comparison is indicated between brackets, being the number of years in which the 2 species involved were sufficiently numerous at 4 or more out of the 6 sampling stations. Statistical significance indicated by **(p < 0.02)