山东半岛赤松林的天然更新及其发展前途的研究

一、前言赤松(Pinus densiflora)是分布于朝鲜、日本和中国的针叶树种,它在我国的分布自辽东半岛经山东半岛达江苏北部的云台山,分布区属暖温带东部滨海部分。区内年平均温度7—13℃,年降水量约600—1000mm,年平均相对湿度65%以上。赤松在其北、西、南三

Natural Regeneration and Developing Prospects of Japanese Red Pine Forest in Shandong Peninsula.

This paper studies the natural regeneration and developing prospects of Japanese Red Pine (pinus densiflora) forest in Shandong Peninsula. The results indicate that Japanese Red Pine forest has a strong ability of natural regeneration and is very a dapted to the ecological conditions of its distribution region. For this reason, although it is seriously harmed by two kinds of injurious insects, Japanese Red Pine forest should still be retained and developed in Shan dong Peninsula with various methods and means, such as artificial management, closing hillsides to facilitate afforestation, setting up a good ecosystem, etc.