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Spawning migration of Perch, Perca fluviatilis (L.), in different coastal waters in the Baltic Sea

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  • The population of adult perch in the Baltic Sea consists of a number of spawning populations. Spawning migration is different in different tagging places. Perch were marked with Carlin tags during the spawning period and released after tagging in the area where they had been caught. In Helsinki sea same sizes fish like to stay together, but recoveries of different sizes perch near the releasing places every spring indicate that perch shows homing to the spawning areas. Beside this, fish tagged in the spring and recaptured in the spring one or more years later showed a strong affinity to the point of release, while fish from the same group recaptured in the autumn and winter had migrated far to deep and sheltered waters. Homing to the spawning areas in Taivassalo is not as clear as Helsinki. A majority was recaptured during the spring in the following years close to the releasing place. But several recaptures were made randomly and far from releasing place during spring.
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  • Siddika, Mahruba, Hannu Lehtonen. 2004. Spawning migration of Perch, Perca fluviatilis (L.), in different coastal waters in the Baltic Sea. Peer Review: No. In: Proceedings of the Twelfth Biennial Conference of the International Institute of Fisheries Economics & Trade, July 20-30, 2004, Tokyo, Japan: What are Responsible Fisheries? Compiled by Ann L. Shriver. International Institute of Fisheries Economics & Trade, Corvallis, Oregon, USA, 2004. CD ROM. ISBN 0-9763432-0-7
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