Fig. 1From: Sex-ratio, seasonality and long-term variation in maturation and spawning of the brown shrimp Crangon crangon (L.) in the German Bight (North Sea)Mean sex ratio of female shrimp in spring (2001–2004), autumn (2001–2005) and winter (2002–2005). Fitting of a trend line to data points was done by the distance weighted least square methodBack to article page