Fig. 3


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Relationships between Sander lucioperca standard length (L S) at age in (a) 2007 (square 11 May, triangle 21May, rhombus 31 May and circle 12 June) and (b) 2008 (square 24 April, triangle 1 May, rhombus 5 May, circle 26 May, inverted triangle 5 June and cross 11 June). Black lines indicate linear relationship between L S and age. The sampling period in 2007 is divided into two parts, to 21 May and later. In the second part, the largest 0+ S. lucioperca (outlier) was omitted from the regression.

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