杭州西湖藻类动态模型研究

裴洪平; 马建义; 周宏; 蔡景现; 李共国

摘要: 该模型按照年度来描述西湖四类藻类(蓝藻门、绿藻门、隐藻门、硅藻门)的动态变化.结果表明,模型作出的状态变量的描述是理想的,并且对于系统强制函数改变能给予合理响应.模型还对引水量,引水或溪流的含磷量及疏竣湖泥量的改变给水体带来的变化进行了预测.

关键词:

藻类 /
生态模型 /
杭州西湖

Abstract: The model describes the dynamics of the four main algae (Cyanophyta,Chlorophyta, Cryptophyta, Bacillariophyta) and zooplanktons in West Lake on the yeary time scals. The result of the model calibration in satisfactory, and the model can reasonably respond to the changes of forcing functions in the ecosystem. The model has been used to forecast some changes in the four main algae with changes in the quantity of drawing water from Qiantang River, and in the phosphorus content of drawing water or stream water and the removal quantity of sediment. The effect of improving water quality with the measure of harnessing was evaluated.

Keywords:

Algae /
Ecological model /
West Lake

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