一。研究目标森林对人类生活具有多种效用。这些效用一般可分为象木材生产那样的经济的功能和国土保护、水源涵养、保健休养、自然环境的保护等所谓公益的功能。原来的林业技术,其中心任务是为了术材生产的森林开发,森林地的管理也是一直根据它来实行的。但在进行过程中一般有一个前提,那就是木材生产决不能和其他的公益功能的发挥相矛盾。为此,如果某地的森林开发明显地损害了其他的公益功能的发挥,有可能对人 one. Research objectives Forests have multiple utilities for human life. These utilities are generally divided into economic functions such as wood production and so-called philanthropic functions such as protection of territories, water conservation, health and recuperation, protection of the natural environment and the like. The original forestry technology, its central task is to forest production of timber production, forest management has always been based on it to implement. However, there is generally a premise in the process of carrying out that timber production must not contravene the performance of other public welfare functions. For this reason, if forest development in a certain place obviously undermines the performance of other public welfare functions, it is possible for people