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利用灰色系统研究方法对1990年3月30日—1990年6月22日采自大鹏湾地区海水样品进行了研究，并计算了大鹏湾盐田海域浮游动物数量变动与海域理化因子间的关联度，且进行了关联序整理。结果表明，Mn，Fe，叶绿素α和溶解氧对浮游动物数量变动影响较大．
The gray system method was used to study the seawater samples collected from Dapeng Bay from March 30, 1990 to June 22, 1990. The correlation between the change of the number of zooplankton and the physico-chemical factors in the area was calculated. Degree, and conducted a correlation order. The results showed that Mn, Fe, chlorophyll a and dissolved oxygen had a significant impact on the zooplankton population.