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中文摘要：
森林地表溶解性有机碳（DOC）含量及其生物可降解性影响到表层土壤异养呼吸碳排放和矿质层土壤碳素蓄积．研究森林生态系统不同来源的DOC动态及其稳定性对于正确认识森林土壤碳循环关键过程以及对全球变化的适应和响应均有重要意义．由于DOC降解实验的局限性使得当前森林土壤浸提液和渗漏液中DOC降解特性的报道甚少，这将不利于了解典型陆地生态系统DOC动态及其稳定性特征以及与土壤碳蓄积，排放的关联性．
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