Study on Population Structure and Spatial Distribution Characteristics of Pinus tabulaeformis in the Forest Region of the Helan Mountains in Inner Mongolia

doi:10.13466/j.cnki.lyzygl.2014.02.016

Abstract

Abstract: The pine forest is one of the typical vegetation types in the Helan Mountains which is situated on the eastern edge of the Alashan Plateau and the western edge of the Yinchuan Plain.Three representative sample plots were set up in different areas.The Pine population structures and distribution patterns were discussed by using statistical methods.The results showed that the population was in a stable state as a whole and the age structure of pine population in different sample plots were basically the same,but the population showed a declining tendency due to the bad growth of seedling and saplings .In addition,we also found that the Pine population in different sample plots showed random distribution pattern.

Key words: The Helan Mountains, Pinus tabulaeformis, structure, spatial distribution pattern

CLC Number:

YANG Yuewen, DUAN Yuxi, JI Meng, ZENG Yu, LI Yinxiang, REN Jianmin, ZHOU Xingqiang, ZHANG Fenghe. Study on Population Structure and Spatial Distribution Characteristics of Pinus tabulaeformis in the Forest Region of the Helan Mountains in Inner Mongolia[J]. FOREST RESOURCES WANAGEMENT, 2014, 0(2): 87-92.

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