From a forest management standpoint, when trees are mature to over mature they overtop successive generations of trees thereby retarding their growth and depriving them of sunlight required for better productivity and vigor. By removing part of the large overstory, these trees are then released to become the dominant trees in the forest canopy. Also, very mature trees reach an optimum age concerning growth and wood quality. After this optimum is reached the trees begin a downward trend with regard to produc