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Table 1

Mean proportion of blue whiting females (standard deviation in brackets) by length class (cm) by survey season and study area on the Portuguese shelf. NA – not available.

Area Length class

  <20 cm 21–25 cm 26–30 cm >31 cm




  Autumn Winter Autumn Winter Autumn Winter Autumn Winter
North 0.49 (0.16) 0.48 (0.27) 0.53 (0.29) 0.35 (0.39) 0.79 (0.20) 0.48 (0.01) NA NA
Southwest 0.49 (0.16) 0.64 (0.01) 0.45 (0.16) 0.50 (0.25) 0.67 (0.24) 0.37 (0.21) 0.93 (0.10) NA
South 0.51 (0.19) NA 0.54 (0.19) 0.81 (0.14) 0.68 (0.07) NA NA NA

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