安徽省沿江湖泊湿地退耕后土壤黑碳和矿物结合态有机碳研究

来源 :中国地理学会2013年(华东地区)学术年会 | 被引量 : 0次 | 上传用户:xzh19870715
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  稳定有机碳(SOC)是评价土壤固碳潜力和适应土地利用变化能力的重要指标.然而,退耕后湿地土壤SOC的变化及其组分的复杂性研究鲜有报道.本研究以安徽省沿江湿地典型代表之一的菜子湖为例,旨在分析湿地土壤黑碳(BC)和矿物结合态有机碳(MOC)这两种典型的SOC的含量特征及其在退耕还湿后的变化,同时对比研究土壤BC组分与MOC组分的联系.(1)(1)对于每一种SOC,分别选取两种方法来测定.BCCr使用重铬酸氧化法测定;BCCTO则使用化学热氧化法CTO-375测定.
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