世界上的万事万物都有矛盾,也即矛盾存在于一切事物之中,它决定着事物的运动和发展,这是辩证唯物论中的一个基本概念。林业发展过程中的矛盾自然也是这个概念。如森林资源利用上“采与育”的矛盾;造林事业中“造与管”的矛盾;森林经营上木材利用与生态效益的矛盾等等。从当前林业来看,森林的生态效益与森林 All things in the world have contradictions, that is, contradictions exist in everything, which determines the movement and development of things. This is a basic concept in dialectical materialism. The contradiction in the course of forestry development is naturally this concept. Such as the contradiction between “mining and breeding” in the utilization of forest resources; the contradiction between “making and managing” in afforestation; the contradiction between timber utilization and ecological benefits in forest management and so on. From the current forestry point of view, the ecological benefits of forests and forests