Detects migrating juvenile salmonids, indicating effective tracking methods.
In 2025, we continued a multi-year study in the Columbia River estuary to detect migrating juvenile Pacific salmon Oncorhynchus spp. marked with passive integrated transponder (PIT) tags. Fish were detected using a surface pair trawl with a matrix of rectangular antennas fitted into the cod end. The matrix was configured with three parallel antennas in front and three in the rear, totaling six individual antennas.
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Vinarcsik et al. (2026) studied this question.
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