Site fidelity and seasonal changes in activity centre size of female pike Esox lucius in a small lake Universiteit Antwerpen
The object of this study was to test site fidelity of female pike Esox lucius and to contrast the activity centre size in summer and winter in a 25 ha lake in north-eastern Germany using radio telemetry. Weekly 24 h tracking and two 96 h tracking exercises were conducted by boat from June to December 2005 and by walking on surface ice from January to February 2006. Positions of 12 E. lucius [total length (L(T)) = 450-733 mm] were recorded every ...