Abstract

(9,5%), wels catfish (9.6%), northern pike (6.3%), European perch (6.0%), sturgeon (3.1%), and asp (2.2%), the total fish weight being dominated by sturgeon (31.3%), followed by wels catfish (27.0%), zander (15.3%), carp bream (10.6%), northern pike (5.1%), tench (4.2%), roach (2.2%), asp (2.1%), and European perch (1.1%). The remaining 11 species (twaite shad, European chub, ide, rudd, zope, white bream, Baltic vimba, ziege, crucian carp, European eel, and ruffe) contributed much less both to the abundance and to the weight.

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