摘要
土壤是生态系统最基本的资源，也是不可再生的物理组分，各类经营活动必须以维护土壤的持续利用为前提。森林采伐作业不可避免地会对森林生态系统产生一定的扰动。其中最为主要的方面是采伐作业后林地土壤理化性质的改变。本文从生态学的原理出发，阐述了采伐作业引起土壤理化性质改变的机理，并分析了这些变化对森林生长和森林生态系统经营的影响。
Soil is the most basic resource of forest ecology system,and is irrenewable.Various management actions must pay attentions to the long term productivity of soil.Logging has an important influence on the physical and chemical property of soil.This paper anylyses the causes of soil property′s changing after timber harvesting and points out these changes′ effects on the growth of trees and ecology management.
关键词
土壤
森林采伐
物理性能
化学状况
Soil
Timber harvesting
Physical property
Chemical property
