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OALib Journal期刊
ISSN: 2333-9721
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人工湿地土壤微生物生物量碳与污水净化效果的关系
DOI: 10.3724/SP.J.1145.2013.00113, PP. 113-118
Keywords: 人工湿地,微生物生物量碳,污水净化,相关性
Abstract:
微生物在人工湿地污水净化过程中发挥着重要作用，微生物生物量碳是微生物的重要表征之一.为探讨人工湿地土壤微生物量碳与污水净化效果的关系，以表面流人工湿地为研究对象，分别研究了不同植物人工湿地土壤微生物生物量碳和净化效果的时空变化及其相关性.结果显示，4种植物湿地表层（0-5cm）微生物生物量碳极显著高于深层（15-20cm）的测量值（p<0.01）.人工湿地污染物去除效果与微生物生物量碳具有相同的季节变化规律，都呈单峰型的季节格局，夏秋季较高，冬春季较低.微生物生物量碳与人工湿地cod、bod5和tn的去除呈显著正相关（p<0.05）.水鬼蕉湿地具有较高的微生物生物量碳，而污染物去除率一般较低，这表明不同湿地微生物生物量碳与污染物去除率的相关性呈现不确定性.
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