Analysis on Community Structure of Mongolian Pine Forest in Sandy Land of Grass and Sand Crisscross Area in Hulunbuir Area(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:

2012年20期

Page:

79-84

Research Field:

Publishing date:

Info

Title:

Analysis on Community Structure of Mongolian Pine Forest in Sandy Land of Grass and Sand Crisscross Area in Hulunbuir Area

Author(s):

YUAN Zheng-zheng¹; 2; LI Zheng-hai²; JIA Shu-hai¹; ZHANG Ming³; BAO Ya-jing²; ZHU Ling-hong⁴

1.College of Land and Environment，Shenyang Agriculture University，Shenyang，Liaoning 110866；

2.College of Environment and Resources，Dalian Nationalities University，Dalian,Liaoning 116600；

3.Nanjing Institute of Environmental Sciences，Ministry of Environmental Protection，Nanjing，Jiangsu 210042；

4.Inner Mongolia Xilinguole Environmental Monitoring Station，Xilinguole，Inner Mongolia 026000

Keywords:

grass and sand crisscross area; mongolian pine forest; community structur; biodiversity

PACS:

S 791.253（226）

DOI:

-

Abstract:

Grassland sand，activation sand pine，burned pine，sloping pine and protection area pine were selected to analysis the community structural feature of various types of mongolian pine through the investigation of the mongolian pine of Hulunbuir grass and sand crisscross area and grassland sand of Inner Mongolian pine.The results showed that activated sandy Mongolian pine had significant difference in structure index of each community concerned with height of tree，DBH (diameter at breast height)，crown diameter and so on，compared with three other well-protected forestland，it was influenced by the conditions including forest development status，human interference effect and forest density and so on.Activated sandy mongolian pine had an irregularity in growth height and thickness of trees，chest height and circumference of trees had a very larger range of changes，crown type showed umbrella，forest density was far less than forest suitable density，ground sand activation was bared，herb layer was blasted.Due to the well protection，tree height of three other sandy mongolian pine of mountain land forest areas grew well，being taller than activated sandy mongolian pine，the difference of forest density was small compared with each forest suitable density.This research revealed the development characteristics of sandy mongolian pine in various environmental conditions，it had provided scientific basis for improving the sand protection and governance of the grass and sand crisscross area and prairie area by planting suitable forest vegetation to improve area sandstorm protection function，soil and water conservation function，and carbon sink capacity enhancing green vegetation.

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