Fig. 7From: Sex-ratio, seasonality and long-term variation in maturation and spawning of the brown shrimp Crangon crangon (L.) in the German Bight (North Sea)Long-term interannual variation in numerical density of shrimp larger 54 mm in autumn (September), the graph shows the mean absolute density (and its standard error) of large females in all of the studied regionsBack to article page