中文摘要：

指出中国当前非公有制林业发展中存在的自然和生态问题,在阐述和分析自然灾害影响、不规范的生产经营活动而导致的严重水土流失、纯林造成的生物多样性缺乏和一些引种树种对周边生态环境的负面影响、无节制地使用农药和化肥而引起的生态环境破坏、大量的非公有制林产加工小企业对生态环境的污染等自然和生态问题的基础上,着重研究解决这些自然和生态问题的对策,即通过宣传教育,促使非公有制林业经营者在发展经济的同时兼顾生态保护,并通过采取约束和激励相结合的方式解决已出现的生态问题。此外,还应积极地防范各种灾害性天气而引发的森林灾害。

英文摘要：

Forestry is a special industry that is the combination of economic and natural reproduction. It were influenced by all kinds disastrous weather, forest fire, forest diseases and insect pests. After illuminating some natural and ecological problems .that are existed in the course of nonpublic ownership forestry＇s development, the paper emphasizes some specific countermeasures to the problems. Firstly, the proprietors of nonpublic ownership forestry must make a compromise between economic development and environment protection. Secondly, the government must take measures to resolve the problems that have existed in nonpublic ownership forestry, and the measures must both have the functions of restriction and prompting. Thirdly, people should take effective measures to keep away forest damages that were ＂resulted from all kinds of disastrous weather.