分门别类的研究是人们认知自然资源的一种重要途径,树木生物学和生态学的时空异质性则是这种分类研究的基础。而树种的区域划分在一定程度上反映了人们对其生物学特性和生态适应性以及经济利用价值等的认识,也是科学合理地利用土地资源的结果。我们在深入研究山东省侧柏林分布特征、自然环境异质性以及以往的综合农林业区域划分的基础上,通过典型更新调研、冠形分析进行了侧柏区划的研究。结果表明,山东省侧柏林资源存在明显的时空差异,有必要进行盛域分类抚育经营的尝试。
Classifying study is one of the important ways for mankind to know the nature. The spatiotemporal heterogeneity of the biological and ecological properties as well as their social utilization made the foundation of forest classification. In some extent, the common regionalization of the crops of agriculture and forestry respond the knowledge of natural resources and their useful values. It is the rational result in developing land. In this study, we studied the regionalization of non--commercial plantationsof Platycladus orientalis in Shandong Province by typical regeneration investigation and crown shape analysis, on the bases of the studies of distribution of resources of Platycladus orientalis, natural environmental characteristics and past comprehensive regionalization in agriculture and forest. It reveals that there is a significantly spatiotemporal difference in resources of Platycladus orientalis in Shandong Province and it is necessary to try to make a regionally tending plan for the non--commercial plantationsof Platycladus orientalis.