Aquatic Living Resources

Upstream migration activity of cyprinids and percids in a channel, monitored by a horizontal split-beam echosounder

Juha Lilja, Tapio Keskinen, Timo J. Marjomäki, Pentti Valkeajärvi and Juha Karjalainen

Aquat. Living Resour., 16 3 (2003) 185-190

Published online: 15 July 2003

DOI: 10.1016/S0990-7440(03)00016-0

Juha Lilja

Tapio Keskinen

Timo J. Marjomäki

Pentti Valkeajärvi

Juha Karjalainen

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