Up untill a week ago Nofrills carried these "three packs" of salmon for $10. Now the same pack contains two for the same $10. I thought it felt light when I bought it yesterday.
This comes to about $0.02 increase per gram, and a $1.10 price increase overall. Or a 11% increase in price overall. Meanwhile inflation is at 6-7%?
Atlantic Salmon populations have been doing fine and have an LC conservation status. Most of the issues with other salmon are in the populations off of the US West Coast.
Alaska has been seeing their populations increase in large part due to government hatcheries and wildlife management.
Same reason for every animal resource: over exploitation of the resource, habitat destruction/pollution, and climate change. This isn't a recent thing, salmon stocks have been declining over the last 4 decades. The response to this decline of course has been to continue extracting the same amount year over year.