Open Access

Table 2

Monthly variations in sex ratio of Auxis thazard landed in Southeastern Brazil between March 2018 and February 2019. χ2=chi–square test.

  Number Frequency (%)      


  F M F M χ2 p-value F:M
Mar 53 49 51.5 48.5 0.09 0.76 1.1:1
Apr 40 44 47.6 52.4 0.23 0.63 0.9:1
May 4 5 44.4 55.6 1.23 0.27 0.8:1
Jun 36 36 50.0 50.0 0.00 1.00 1:1
Jul 20 18 52.6 47.4 0.28 0.60 1.1:1
Ago 10 10 50.0 50.0 0.00 1.00 1:1
Sep 10 18 35.7 64.3 8.16 0.00 0.6:1
Oct 74 49 60.2 39.8 4.13 0.04 1.5:1
Nov 16 17 48.5 51.5 0.09 0.76 0.9:1
Dec 25 25 50.0 50.0 0.00 1.00 1:1
Jan 29 23 55.8 44.2 1.33 0.25 1.3:1
Feb 4 6 40.0 60.0 4.00 0.05 0.7:1
Mean 321 300 51.6 48.4 0.11 0.74 1.1

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