Declining Salmon Population Threatens Fishing Tourism in Pacific Northwest(wsj.com)
wsj.com
Declining Salmon Population Threatens Fishing Tourism in Pacific Northwest
https://www.wsj.com/articles/declining-salmon-population-threatens-fishing-tourism-in-pacific-northwest-11629554404
1 comments
The primary threat to salmons (and many other species) everywhere are obstructions (like dams and sluices) in rivers.