Laissez-faire is not good enough for reforestation

Source: ScienceDaily

If degraded and logged areas of tropical forests are left to nature, the populations of certain endangered tree species are not able to recover. This applies in particular to trees with large fruit where the seeds are distributed by birds, as scientists have shown in a rainforest in India.

https://www.sciencedaily.com/releases/2017/02/170215145935.htm