贵州山区土壤中微生物生物量是能源物质碳流动的源与汇

• 作 者: 朴河春 洪业汤 袁芷云
• 机 构: 中国科学院地球化学研究所环境地球化学国家重点实验室!贵阳550002,中国科学院地球化学研究所环境地球化学国家重点实验室!贵阳550002,中国科学院地球化学研究所环境地球化学国家重点实验室!贵阳55
• 出 处: 生态学杂志
• 发表日期: 2001年01期
• 关键词: 贵州山区 土壤 微生物生物量 能源物质 碳流动 源与汇 Energy Material soil microbial biomass soil organic

The soil microbial biomass,the living fraction of organic matter,contains energy material organic carbon compounds,which is derived from plant residue generated soil organic matter.This study investigated the relationships between microbial biomass C and organic C with environmental parameters.The results indicate that soil microbial biomass is highly sensitive to the changes of environmental conditions in soils,and converts easily to available organic C compounds,and acts as source and sink of energy material C flow.Therefore,it plays an important role in soil organic matter decomposition.The turnover of soil microbial biomass is an important pathway of soil organic matter decomposition.

The soil microbial biomass, the living fraction of organic matter, contains energy material organic carbon compounds, which is derived from plant residue generated soil organic matter. This study investigated the relationships between microbial biomass C and organic C with environmental parameters. The results indicate that that soil microbial biomass is highly sensitive to the changes of environmental conditions in soils, and easily converts to organic C compounds, and acts as source and sink of energy material C flow. therefore, it plays an important role in soil organic matter decomposition. turnover of soil microbial biomass is an important pathway of soil organic matter decomposition.