Factores que intervienen en la formación del biol.

The authors would like to thank Inge Buchholz and Michael Holm for help during data collection and Alexander Türck for technical support. Funding was provided by the Danish Rod and Net Fish License Funds to HB, the Deutsche Bundesstiftung Umwelt (DBU, No AZ 20007/924) through a scholarship to TK, through the project Adaptfish by the Gottfried-Wilhelm-Leibniz-Community to RA (www.adaptfish.igb-berlin.de) and through the project Besatzfisch by the Federal Ministry for Education and Research in the Program on Social-Ecological Research to RA (grant # 01UU0907 www.besatz-fisch.de).

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Seasonal and diel effects on the activity of northern pike studied by