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林业资源管理 ›› 2014›› Issue (6): 115-120.doi: 10.13466/j.cnki.lyzygl.2014.06.025

• 科学研究 • 上一篇    下一篇

林火干扰对寒温带兴安落叶松土壤微生物数量的影响

范雪松1, 马秀枝2, 任乐1, 孟晓旭2   

  1. 1.内蒙古农业大学 生态环境学院,呼和浩特 010010;
    2.内蒙古农业大学 林学院,呼和浩特 010010
  • 收稿日期:2014-09-17 修回日期:2014-11-26 出版日期:2014-12-28 发布日期:2020-11-23
  • 通讯作者: 马秀枝(1974-),女,副教授,主要从事生态系统碳氮循环以及温室气体相关研究。Email:luckmxy2001@yahoo.com.cn
  • 作者简介:范雪松(1989-),男,内蒙古呼伦贝尔人,在读硕士,主要研究火烧后大兴安岭地区温室气体通量。Email:78363841@qq.com
  • 基金资助:
    国家自然科学基金(31160117,31260119);内蒙古自然科学基金(2013MS0305)

Impacts of Forest Fire Disturbance on Soil Microbial Quantity of Larix gmelini Forest in Cold-temperate Zone

FAN Xuesong1, MA Xiuzhi2, REN Le1, MENG Xiaoxu2   

  1. 1. Technology and Disaster Reduction Division,Inner Mongolia Weather Bureau,Huhhot 010010,China;
    2. College of Forestry,Inner Mongolia Agricultural University,Huhhot 010010,China
  • Received:2014-09-17 Revised:2014-11-26 Online:2014-12-28 Published:2020-11-23

摘要: 以内蒙古自治区根河市潮查林场为研究对象,分别选取 2000年和2003年火烧迹地,选取临近未火烧样地作为对照,研究在林火干扰发生距今10年和13年后,在自然恢复后土壤不同层次细菌、真菌、放线菌的数量变化情况。结果表明:火烧13年后火烧迹地的土壤微生物数量比对照样地微生物总体上高,火烧后土壤细菌、真菌、放线菌平均增加了99.8,93.8,100.5万株/g。火烧10年后火烧迹地微生物数量也有明显的增加,土壤细菌、真菌、放线菌的数量分别平均增加了96.2,117.2,105.6万株/g。敖乡和3km处火烧迹地土壤微生物数量均与土壤深度没有明显的关系。

关键词: 林火干扰, 土壤细菌, 土壤真菌, 土壤放线菌, 大兴安岭

Abstract: The sites burnt in 2003 (Aoxiang)and 2000 (3km)in Chaocha State Forest Farm of Genhe city were selected as research area,the unburned forest area was selected as control.The number of soil bacteria,fungi and actinomycetes in the natural recovery with different forest fire intensities were investigated which occurred 13 years and 10 years after the fires.The results show that in 13 years after the fire in the burned area,the soil microbial number is higher than that of the control plots.After burning,soil bacteria,fungi,actinomycetes averagely increased by 99.8,93.8 and 100.5×104/g.The results show that asignificant increase in the number of microorganisms trend based on the analysis of variance.The number of microorganisms also increased significantly 10 years Later.The number of bacteria,fungi and actinomycetes increased by 96.2×104/g,117.2×104/g and 105.6×104/g on average.There was no significant relationship between different soil layer and soil microbe both in Aoxiang and 3 km area.

Key words: fire disturbance, soil bacteria, soil fungi, soil actinomycetes, Daxing′anling

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