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广州海域营养盐的质量浓度及分布特征
姜胜^1,2, 冯佳和², 冯洁娉^2,3, 李岚^2,3, 魏鹏², 杨宇峰¹
1.暨南大学水生生物研究所;2.广州海洋资源环境监测中心;3.中国海洋大学

摘要:

根据2003年8月至2004年8月的调查资料,对广州海域营养盐的质量浓度及分布特征进行了初步探讨。结果表明:无机氮(DIN)、PO₄^3--P和SiO₃^2--Si质量浓度的年平均值分别为 1.56,0.047和2.50 mg/L;其平面分布特征均表现为湾顶高于湾外,近岸高于远岸,但其季节变化特征不尽相同。

关键词: 广州海域营养盐质量浓度分布特征

DOI：

分类号:

基金项目:国家973计划项目(2002CB412405)

Contents and distribution characteristics of nutrient in the Guangzhou sea area

Abstract:

Based on the field investigation data during August, 2003 and August, 2004 in the Guangzhou sea area, the contents and distribution characteristics of nutrient were discussed. Results showed that the annual average concentrations of DIN, PO₄^3- P and SiO₃^2- Si were 1.56, 0.047 and 2.50 mg/L, respectively. The contents decreased gradually from inner bay to outer bay, and from nearshore to offshore. There were the different seasonal variations among nutrient in the Guangzhou sea area.

Key words: Guangzhou sea area nutrient contents distribution characteristics

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