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中文摘要：
为分析采煤塌陷成湖区的沉积物的铁锰含量和碱性磷酸酶活性随时间变化规律,对其环湖设20个采样点进行采样测量。结果表明,采煤塌陷成湖区的沉积物的Fe含量在0.061~1.731 mg/g范围内变化,夏季和秋季较高,冬季最低;采煤塌陷成湖区的沉积物的Mn含量在0.012~0.911 mg/g范围内变化,冬季含量最低,秋季含量最高;采煤塌陷成湖区的沉积物的碱性磷酸酶活性在53.15~560.03 mg/（kg·h）范围内变化,夏秋季较高,冬春季较低,在不同季节与Mn含量均存在正相关关系。第一层的铁锰含量以及碱性磷酸酶活性都较高,说明人类活动对采煤塌陷成湖区有较大的影响。
英文摘要：
Analysis of subsidence into sediments in the Lake District, Fe and Mn content and alkaline phosphatase activity changes over time, its measurements are 20 sampling points established around the Lake. Results showed that, mining collapse into Lake District of deposition real of Fe content in 0.061~1.731 mg/g range within changes, summer and autumn high, winter minimum; mining collapse into Lake District of deposition real of Mn content in0.012 ~0.911 mg/g range within changes, quarter content minimum, autumn content highest;mining collapse into Lake District of deposition real of alkaline phosphate enzyme activity in53.15 ~560.03 mg/（kgoh） range within changes, summer autumn high, winter spring lower, In different seasons and Mn contents were positively related. First layer of high iron and manganese content and alkaline phosphatase activity, indicating human activity influence greatly subsided into the Lake District.
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