But since the 18th century, Atlantic salmon populations have declined dramatically throughout most of their East Coast range due mainly to dams, water withdrawals, river pollution and sedimentation, ...

We also had to deposit any lamprey (a predator of the salmon) that we found into a 170-litre drum on the deck of the dam. Why did we spend all summer doing this? A typical Atlantic salmon ...

But since the 18th century, Atlantic salmon populations have declined dramatically throughout most of their East Coast range due mainly to dams, water withdrawals, river pollution and sedimentation, ...