洪湖水环境特征与湖泊湿地净化能力研究

被引:45
作者
王学雷
刘兴土
吴宜进
机构
[1] 中国科学院测量与地球物理研究所,中国科学院东北地理与农业生态研究所,武汉大学历史地理研究所湖北武汉,吉林长春,湖北武汉
关键词
江汉平原; 湖泊湿地; 水环境; 净化能力;
D O I
10.14188/j.1671-8836.2003.02.018
中图分类号
X26 [环境容量与环境自净];
学科分类号
071012 ; 0713 ;
摘要
通过对洪湖湿地水环境的监测调查 ,分析了洪湖水环境质量状况 ,结果表明 :洪湖湖水除化学耗氧量和总磷略为超标 ,总体上达到地面水二类标准 ,保持着良好的水质 .洪湖水生植物在生长过程中能够不断地吸附、吸收、分解水中的营养盐和污染物 ,大量水生植物对水体产生净化作用 .湖水溶解氧较丰富 ,平均为 7.40 3mg/L ;洪湖水体氮、磷含量都比较低 .洪湖小港出水口水质浓度一般比进水口子贝渊水质浓度要低 ,特别是NH+4 —N ,NO-2 —N ,PO3-4 ,TP等指标 ,其浓度的减少率一般在 10 %~ 5 0 %之间
引用
收藏
页码:217 / 220
页数:4
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