【摘要】 根据2001年7月～2002年7月对拓林湾进行的生态调查所得的数据,运用模糊集理论中的权距离概念结合隶属度的模糊评价方法,以化学耗氧量、总无机氮、活性磷酸盐和叶绿素a为指标,对粤东拓林湾和湾外水域的富营养化状况进行了评价。结果表明,拓林湾的营养状况已达到中营养程度以上,而湾外则处于贫营养状态。更多还原

【Abstract】 COD, DIN, PO4-P and Chl a were investigated in Zhelin Bay between June 2001 and June 2002. All four parameters were used as criteria for the eutrophication classification. Data were analysed by mathematical model. Results show that the inner harbor of Zhelin Bay was meso-eutrophic and the outer harbor was oligotrophic.更多还原