Which type of forest is called as the GREEN DESERTS of the world? What is the reason for the same?

Evergreen forest, for example: Brazil, Democratic republic of Congo, Western Ghats, become green desert after their exploitation and they may or may not be converted to monoculture plantations based on the human interventions. 

The reason is we know the rainfall of more than 200cm in evergreen forest, due to this there is an intense leaching and there is loss of humus

It leads to the accumulation of aluminium and manganese nodules in the soil. So the soil is highly infertile. Green deserts: After exploitation we can’t rejuvenate the sane forest again or loss of biodiversity occurs.