Between 1928 and 1950, Canada planted white spruce on rare prairie in Manitoba; 19 years after removal, the grassland still had not recovered
Spruce plantations replaced rare prairie in a Manitoba park. Even 19 years after the trees were removed, the grassland had not recovered, a 2018 study found.
We haven't written up this one. Hindustan Times - World News has the full story — the link below goes straight to it.