论文部分内容阅读
自然界是一个复杂的综合体,各个自然要素之间相互联系和彼此作用。森林和鸟兽关系密切,它们之间相互依赖,相互制约而又始终保持着动态平衡。森林是个比较复杂的环境,出于有高大乔木,成层性较强,太阳辐射只有一部分穿入林内,形成特殊的小气候,温度比较稳定,又因植物茂密,为动物提供了良好的食物条件和隐蔽场所,因而森林动物极为丰富。森林里的绝大部分鸟兽都是有益的,对森林的更新和发展起着重要
Nature is a complex complex in which all the natural elements are interrelated and interact with each other. Forests and birds and beasts are closely related, and they are interdependent and mutually restrained and always maintain a dynamic balance. Forest is a complex environment, out of tall trees, strong stratification, only part of the solar radiation into the forest, the formation of a special microclimate, the temperature is relatively stable, and because of the plants dense, providing animals with good food conditions and Hidden places, forest animals are extremely rich. Most of the birds and beasts in the forest are helpful and important to the renewal and development of the forest