白洋淀湿地磷酸酶活性及其影响因素

生态学杂志

白洋淀湿地磷酸酶活性及其影响因素

聂大刚^1,2;王亮^1,2;尹澄清¹;王为东¹

¹中国科学院生态环境研究中心环境水质学国家重点实验室，北京 100085; ²中国科学院研究生院，北京 100039

收稿日期:2008-06-17 修回日期:1900-01-01 出版日期:2009-04-10 发布日期:2009-04-10

Soil phosphatase activity and its affecting factors in Baiyangdian wetland.

NIE Da-gang^1,2;WANG Liang^1,2;YIN Cheng-qing¹;WANG Wei-dong¹

¹State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China;²Graduate University of Chinese Academy of Sciences, Beijing 100039, China

Received:2008-06-17 Revised:1900-01-01 Online:2009-04-10 Published:2009-04-10

摘要/Abstract

摘要： 测定了白洋淀湿地岸边带土壤磷酸酶活性，分析了水位波动、温度变化、营养底物等主要湿地环境因子对其的影响，以揭示湿地生物净化作用机制。通过灰色关联分析得出，湿地岸边带土壤磷酸酶与水位和温度的关联分别为0.633和0.619，表明土壤磷酸酶活性受季节水位波动和温度变化影响显著;方差分析表明，土壤碳、氮、磷营养物质含量较高地区的磷酸酶活性季节波动较大，反映了湿地中含磷酸酯有机物降解受营养底物驱动;通过对主要环境因子和磷酸酶活性进行主成分回归分析，建立了表征湿地土壤磷酸酶活性的线性回归分析模型，从而根据主要湿地环境因子对湿地生物净化能力进行推断和评估。

关键词: 贝类, 养殖容量, 适养面积, 厦门大嶝岛海域

Abstract: In order to understand the biological purification processes in wetland ecosystem, the soil phosphatase activity (PA) in shorefront of Baiyangdian wetland was determined, and the effects of related environmental factors including water level fluctuation, water temperature, and soil nutrient substrates were analyzed. It was found that the grey associated coefficient of soil PA with water level and water temperature was 0633 and 0619, respectively, suggesting that soil PA was significantly affected by the two environmental factors. Variance analysis showed that the soil PA in the shorefront had a greater seasonal fluctuation than that in the mesotrophic zone, indicating that the biodegradation of phosphoesters was affected by the nutrient substrates in wetland soil. A linear regression model of PA and major environmental factors was established, which could be used for the simulation and assessment of the wetland purification capacity.

Key words: Shellfish, Carrying capacity, Suitable culture area, Dadeng Island sea area

聂大刚;王亮;尹澄清;王为东. 白洋淀湿地磷酸酶活性及其影响因素[J]. 生态学杂志.

NIE Da-gang^1,2;WANG Liang^1,2;YIN Cheng-qing¹;WANG Wei-dong¹ . Soil phosphatase activity and its affecting factors in Baiyangdian wetland.[J]. cje.

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