Estuarine, Coastal and Shelf Science

Site fidelity in perch (Perca fluviatilis) and roach (Rutilus rutilus) in two Baltic Sea coastal areas

Publication date: 15 October 2019

Source: Estuarine, Coastal and Shelf Science, Volume 226

Author(s): Sture Hansson, Ulf Larsson, Jakob Walve


Perch (Perca fluviatilis) and roach (Rutilus rutilus) are among the more common coastal fish species in the Baltic Sea. They are often targeted in environment monitoring programs as well as in ecological research, in which knowledge of their basic biology, including migration and feeding ranges, are needed in the sampling design and for interpretation of data. Body condition (length-mass relationship) differences between stations separated by at most a few kilometres show that both species are reasonably sedentary even in areas without obvious migration barriers. Collecting representative samples, even from a reasonably small water body, may thus require careful planning.

Glossaire technique

Qui vit principalement dans la partie inférieure d'une rivière ou estuaire...
Mouvement de faune d'une région à une autre . mouvement d'un sous-ensemble...