We need a professional approach there, able to see the whole picture. Amateurism can be really expensive.
Sometimes beavers are a big mistake. Hazelnuts and willows can be chopped to the ground and just will return stronger and more dense. Poplars will regrow from the roots at some distance. Argentinian trees they will vanish instead. This happens because temperate South American forests never evolved with beavers. On this places they may done more harm than good.
So obvious, but Argentinian government didn't see it coming. Thousands millions of dollars in damages caused by amateurs with power in Argentinian government.
Another example: Beavers are native from Sweden, but beavers on Sweden should be removed.
Sometimes beavers are a big mistake. Hazelnuts and willows can be chopped to the ground and just will return stronger and more dense. Poplars will regrow from the roots at some distance. Argentinian trees they will vanish instead. This happens because temperate South American forests never evolved with beavers. On this places they may done more harm than good.