Assessment of the effects of variation in external nutrient loads on the Curonian lagoon ecosystem

A. Razinkovas, A. Erturk, P. Zemlys
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引用次数: 1

Abstract

Curonian lagoon, the largest coastal lagoon in Europe is characterized by the strong seasonal and interannual variation in nutrient loads and water quality parameters is characterized by the dominance of the Nemunas rivers discharges. Coupled hydrodynamic and NPZD model was applied to assess the impacts of the foreseen reduction of nutrient loads prescribed in the State Plan to Improve the Quality in the Curonian lagoon, which was approved in 2006. The simulation of 1999-2000 was used as the background scenario. The NPZD model applied takes into the account the recently evaluated atmospheric nitrogen fixation by the cyanobacteria during the summer ldquobloomsrdquo and combined effects of temperature and wind climate.
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外部营养负荷变化对库尔潟湖生态系统影响的评估
库尔斯泻湖是欧洲最大的沿海泻湖,其特征是养分负荷的季节性和年际变化强烈,水质参数的特征是Nemunas河流的流量占主导地位。采用水动力和NPZD耦合模型对2006年批准的《库尔斯泻湖水质改善国家计划》中规定的可预见的营养负荷减少的影响进行了评估。以1999-2000年的模拟为背景情景。应用的NPZD模式考虑了最近评估的夏季水体中蓝藻的大气固氮作用以及温度和风气候的综合效应。
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