【中文关键词】 儒艮（Dugong; Dugong dugon）; 分布（Distribution）; 中国近海 （ Coastal waters of China ）; 【摘要】 儒艮Dugong dugon(Muller,1776)隶属海牛目Sirenia,儒艮科Dugongidae,俗称海牛,又称人鱼,海南岛渔民称海马。
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In this paper we analyse and compare the technical parameters of several decades of typical purse seines in the coastal waters of China.
本文对中国沿海几十种围网的技术参数进行了分析和比较。
The model is used to assess the eutrophication of Xiamen sea area and coastal waters in China, respective-ly.
运用该模式分别评价了厦门海域及中国近海的富养化程度。
Therefore, the emphasis of the marine environmental monitoring in coming year should be the coastal waters in China, especially, all kinds of the pollutant sources and near areas.
为此，未来我国海洋环境监测的重点应是近岸水域，尤其是各类入海污染源及其邻近海域，监测工作必须由近海向近岸及重点海域转移。
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