Smolts Galore!

We’ve been kept busy at the smolt trap over the last couple of days. With many hundred passing through now we’ve been starting the first mark, release, recapture trials to assess the percentage of the migrating population passing through the trap. These fish clipped fish are released upstream at Sorn, approximately a mile and three quarters upstream of the trap. In doing so we will gain an estimation of the number of fish using the trap during downstream migration. There are only two other options for the fish, the fish ladder or the dam itself. In higher flows fish may…

Source: Ayshire River Trust – Smolts Galore!