Forest

Forest Denudation - to strip a forest by depriving it of something it needs in order to exist. For example, to strip it's surface layers, in some cases by erosion. Viper1.

Commonly through a ripping and burning process to create farmland. Also when harvesting Native forests for timber in an unsustainable fashion. Not that there is anyway to cut down old growth forests and not cause irreversible long-term damage.
And removing plantation trees on a large scale in already established timber forests of which enough exist now with out the need to create more at the expense of our few remaining native forests.