Annual movement and migration of adult pikeperch in a lowland river |
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Authors: | A Koed P Mejlhede K Balleby K Aarestrup |
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Institution: | Danish Institute for Fisheries Research, Department of Inland Fisheries, Vejlsøvej 39, DK-8600 Silkeborg, Denmark |
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Abstract: | The downstream migration of 46–66 cm radio-tagged adult pikeperch Stizostedion lucioperca , in the River Gudenaa, Denmark, from late September to late December, coincided with a reduction in the frequent occurrence of prey fish in the tagging area, and hence was interpreted as a feeding migration. The upstream migration from March to mid-April in spring took place prior to spawning which occurred from late April to June. |
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Keywords: | Stizostedion lucioperca radio telemetry annual movement river migration |
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