Woody plant encroachment
Woody encroachment is a big change for nature in areas where it happens. Often, the encroachment is seen as harmful to nature. It can make the number of different plant species less, it allows less water to go into the ground and animals have less to eat. For that reason woody encroachment is often called a form or land degradation. But this is not always the case, encroachment can also lead to good changes in nature.  That is why one must study woody encroachment in each area where it happens, becore making conclusions.