大气二氧化碳浓度升高对植物根际微生物及菌根共生体的影响

摘要/Abstract

摘要： 综述了大气CO₂浓度升高条件下,植物根际土壤环境、根际土壤微生物和植物菌根形成的变化趋势等方面的研究进展.CO₂浓度升高,运转到根系的碳水化合物增加,根际环境、根际微生物活性、微生物群落结构以及菌根共生体的形成发生变化.提出在CO₂浓度升高条件下,根际微生物和菌根真菌群落的变化对植物群落和陆地生态系统碳动态的调节是今后的研究趋向.

关键词: 大气CO₂浓度升高, 根际微生物, 丛枝菌根真菌

Abstract: The changes of microbial communities in rhizosphere and the formation of mycorrhizae play an important role in affecting the dynamics of plant communities and terrestrial ecosystems.This paper summarized and discussed the effects of elevated atmospheric CO₂ on them.Under elevated atmospheric CO₂,the carbohydrates accumulated in root systems increased,and the rhizospheric environment and its microbial communities as well as the formation of mycorrhizae changed.It is suggested that the researches in the future should be focused on the effects of rhizosphere microbes and arbuscular mycorrhizae on regulating the carbon dynamics of plant communities and terrestrial ecosystems under elevated atmospheric CO₂.

Key words: Elevated atmospheric CO₂, Rhizosphere microbes, Arbuscular mycorrhiza

中图分类号:

S154

陈静, 陈欣, 唐建军. 大气二氧化碳浓度升高对植物根际微生物及菌根共生体的影响[J]. 应用生态学报, 2004, (12): 2388-2392.

CHEN Jing, CHEN Xin, TANG Jianjun. Influence of elevated atmospheric CO₂ on rhizosphere microbes and arbuscular mycorrhizae[J]. Chinese Journal of Applied Ecology, 2004, (12): 2388-2392.

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