As you said, DFO has been looking at this for the past 10 years or however long it's been a problem there. They've been trying mechanical ways, I guess, to eradicate the bass in the lake and contain them. I remember how some 20 years ago in my backyard, in Despres Lake, which is also a tributary to the Miramichi Lake, they used rotenone to eradicate another invasive species that was brought in from another region. It was the pickerel, I think.
On May 6th, 2019. See this statement in context.