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›› 1987, Vol. 23 ›› Issue (2): 214-220.

• 研究简报 • 上一篇    下一篇

小兴安岭五营林区原始红松林年龄结构的研究

李克志   

  1. 东北林业大学林学系
  • 收稿日期:1985-08-09 修回日期:1900-01-01 出版日期:1987-05-25 发布日期:1987-05-25

A STUDY ON THE AGE STRUCTURE OF PRIMARY KOREAN PINE FOREST IN THE XIAO XING AN MOUNTAIN

Li Kezhi   

  1. North-east Forestry University
  • Received:1985-08-09 Revised:1900-01-01 Online:1987-05-25 Published:1987-05-25

Abstract: Primary Korean pine forests are uneven-aged and complex in the area of the xiao Xing An Hountain. The stocking in the main story amounts to more than 80% of the volume. The forest mainly consists of three or four-age-class trees, the attribute is that the main part in the stand is formed by the trees whose ages belong to the average age-class, while the trees whose age-class is one age-class higher or lower than the average age-class is the second main part. In the main stand, the Korean pine trees at the ages of Ⅸ Ⅹ Ⅺ age-class (161—220 year) are the most widely distributed and amount to 75%.To protect the existing primary Korean pine forest and increse their quality, intensive management must be treated in the survived primary Korean pine forest, cleaning-cutting and repair-planting should only be used in protection forest management zone. In the management zone selection cutting must be used.