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中文摘要：
在全球气候变化的大背景下，湿地甲烷的产生和排放的研究引起广泛关注。以闽江口3种沼泽湿地土壤为研究对象，通过室内厌氧培养实验测定了距植株不同距离的湿地表层土壤的甲烷产生潜力值，研究了不同土壤有机质含量和培养温度对甲烷产生潜力的影响。结果表明：①芦苇和互花米草湿地近根际土壤甲烷产生潜力显著高于远根际土壤，而且根系越发达，相关性越大；②经过相关性分析，土壤有机碳含量和培养温度与甲烷产生潜力呈显著正相关，而且温度越高影响越显著。
英文摘要：
In the context of global climate change, the formation and emission of wetland methane has received widespread attention. Soils of 3 types of marsh in the Minjiang river estuary were studied. Indoor anaerobic incubation experiment was used to measure the methane production potential of surface soil at different distances from the test plants. The effect of soil organic carbon and culture temperature on the methane production potential was also studied. Results showed that, in the wetland of Phragmites australis and Spartina alterniflora, methane production potential of soils near rhizosphere were higher than that at longer distances. Correlation analysis demonstrated that soil organic carbon and culture temperature were significantly positively correlated with the methane production potential.
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