[目的] 土壤有机碳是森林生态系统碳循环的重要组成部分,活性有机碳能够指示土壤碳库变化,研究不同森林类型土壤活性碳组分及碳库稳定性的变化规律对理解碳循环的生物地球化学过程有重要意义,可为面向固碳减排的生态系统碳库管理提供依据。[方法] 以大兴安岭北部兴安落叶松林、樟子松林、白桦林和山杨林为研究对象,于2023年5—9月采集0—10,10—20 cm土层土壤样品,采用改良后的Loginow法测定土壤中活性易氧化碳含量,利用活性碳利用率(ER)及碳库活度(CPA)分析不同林型下土壤碳库稳定性差异。[结果] (
刘贝贝, 蔡体久
doaj
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