The decrease in anadromous salmonid species over the last two to 3 hundreds of years is correlated with the decrease from the North American beaver and European beaver, While some fish and video game departments[example needed] continue to advocate removal of beaver dams as likely barriers to spawning operates. Salmon https://collinpyacm.loginblogin.com/37795842/fresh-atlantic-salmon-bjs-no-further-a-mystery