Pre-sampling avoids capture of juvenile mackerel
Electronic pre-sampling jigging machines recently fitted to all pelagic mid-water trawlers in Scotland and Shetland, have been invaluable in helping vessels to avoid capture of undersized mackerel.
Electronic pre-sampling jigging machines recently fitted to all pelagic mid-water trawlers in Scotland and Shetland, have been invaluable in helping vessels to avoid capture of undersized mackerel.
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