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i can see that. the root systems choke out other plants and destroy farms. they also make buildings foundations unstable and ruin plumbing.
They cause climate change.
Planting inappropriate trees or vegetation is incorrect environments or without diversity can weaken or even destroy an eco system. They found that areas that had been clear cut for lumber but replanted with only pine made the area less likely to recover its biodiversity. It was the mixture of various trees species that seems to propagate differing ground cover, insects and animal life.