In the Canadian bush, you'll run into people still running beaver traplines. From what I hear it's mostly for nuisance control since pelt prices are quite low. When I was talking to trappers, they seemed to imply that the government sets prices and buys them like as a cartel, but I'm not sure what the process is or if I understood correctly.

https://en.wikipedia.org/wiki/Trapline#Registered_traplines

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