南京林业大学学报(自然科学版) ›› 2010, Vol. 34 ›› Issue (01): 43-47.doi: 10.3969/j.jssn.1000-2006.2010.01.010

• 研究论文 • 上一篇    下一篇

上海市沿海防护林土壤微生物三大类群变化特征

李玥,张金池*,王丽,李奕建   

  1. 南京林业大学森林资源与环境学院,江苏南京210037)
  • 出版日期:2010-02-09 发布日期:2010-02-09
  • 基金资助:
    收稿日期:2009-07-02修回日期:2009-11-08基金项目:上海市科技兴农推广项目(沪农科攻字(2006)第4-10号);“十一五”国家科技支撑计划(2006BAD03A140301)作者简介:李玥(1981—),博士生。﹡张金池(通信作者),教授。Email: nfujczhang@sina.com。引文格式:李玥,张金池,王丽,等. 上海市沿海防护林土壤微生物三大类群变化特征[J]. 南京林业大学学报:自然科学版,2010,34(1):43-47.

Spatiotemporal and characteristic of the soil microbes of coastalprotection forest in Shanghai

LI Yue, ZHANG Jinchi*, WANG Li, LI Yijian   

  1. College of Forest Resources and Environment, Nanjing Forestry University, Nanjing 210037, China
  • Online:2010-02-09 Published:2010-02-09

摘要: 通过对上海市区6种林型沿海防护林的土壤养分和三大类群土壤微生物(细菌、真菌、放线菌)数量的动态特征进行研究,结果表明:(1)不同土壤层次三大类群微生物数量变化均较大,土壤表层(0~10 cm)的细菌数量是底层(40~60 cm)的2.33~3.67倍;土壤表层(0~10 cm)的真菌数量是底层(40~60 cm)的2.21~3.75倍;土壤表层(0~10 cm)的放线菌数量是底层(40~60 cm)的1.29~2.26倍;(2)不同林型下土壤三大类群微生物数量的季节变化各有其自身特点,变化趋势不一致;(3)三大类群微生物数量从多到少的顺序为:细菌、真菌、放线菌,细菌在土壤微生物中占有绝对优势;(4)不同林型的表层土壤(0~10 cm)中微生物总量差异较大,年内总量从大到小表现为:杨树、杨树+麻栎、榆树+榉树、水杉+杨树、东方杉、水杉、滩地。

Abstract: The number and distributions of soil microorganisms (bacteria, fungi and actinomycetes) and soil fertility factors of six different forest types were studied. The results obtained were as follows: (1)The quantities of microbe were different at different soil depth. The amounts were much higher within 0-10 cm than that within 40-60 cm (bacteria were 2.33-367 times, fungi were 2.21-3.75 times and actinomycetes were 1.29-2.26 times). (2)The distribution of microorganisms was also different from each other in different forest types at different seasons. (3)Number from largest to smallest in order of bacteria, fungi, actinomycetes. Bacteria were the absolute superiority in soil microorganisms. (4)Total number of microorganisms in 0-10 cm soil layer was much different among every forest type and the total from biggest to smallest were as follows: Populus, Populus+Quercus acutissima, Ulmus pumila+Zelkova schnideriana, Metasequoia glyptostoboides+Populus, Taxodium mucronatum×Crytomeria fortunei, Metasequoia glyptostoboides, Beach.

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