| 南海北部秋季营养盐、溶解氧、pH值和叶绿素a分布特征及相互关系 |
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| 引用本文： | 龙爱民,陈绍勇,周伟华,徐继荣,孙翠慈,张凤琴,张建林,徐洪周.南海北部秋季营养盐、溶解氧、pH值和叶绿素a分布特征及相互关系[J].海洋通报,2006,25(5):9-16. |
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| 作者姓名： | 龙爱民 陈绍勇 周伟华 徐继荣 孙翠慈 张凤琴 张建林 徐洪周 |
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| 作者单位： | 中国科学院南海海洋研究所,中国科学院LED实验室,广东,广州,510301 |
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| 基金项目： | 中国科学院知识创新工程重要方向项目(KZCX3-SW-227)，广东省自然科学基金资助项目(04001313)，广东省科技计划项目(2004B33201001)，中科院南海海洋研究所前沿项目(50601-32) |
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| 摘 要： | 通过2004年9月至10月对南海北部水域的现场调查,分析了表层海水中溶解氧、叶绿素a、pH值和营养盐等水质因子的空间分布分布特征,并讨论了它们之间的相互关系。结果表明:在南海北部海区的表层海水中,各水质因子在空间分布上大多呈现块状分布,且东西两侧的海水有较为明显的差异;海水中的溶解氧、pH值均表现出与海水温度相反的分布趋势;海水中的叶绿素a(Chla)和众多的水质因子表现出多元相关性,说明水体中浮游植物的生长繁殖是众多水质因子在南海北部综合作用的结果,而Chla和水体中亚硝酸盐的高相关性,说明南海北部水体中浮游植物的生长和亚硝酸盐有着比其他营养盐因子更为密切的联系。
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| 关 键 词： | 南海北部 溶解氧 营养盐 叶绿素a |
| 文章编号： | 1001-6392（2006）05-0009-08 |
| 收稿时间： | 2005-07-18 |
| 修稿时间： | 2005-07-182005-11-18 |
Distribution of Macro-nutrients, Dissolved Oxygen, pH and Chl a and Their Relationships in Northern South China Sea |
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| LONG Aimin,CHEN Shaoyong,ZHOU Weihua,XU Ji rong,SUN Cuici,ZHANG Fengqing,ZHANG Jianlin,XU Hongzhou.Distribution of Macro-nutrients, Dissolved Oxygen, pH and Chl a and Their Relationships in Northern South China Sea[J].Marine Science Bulletin,2006,25(5):9-16. |
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| Authors: | LONG Aimin CHEN Shaoyong ZHOU Weihua XU Ji rong SUN Cuici ZHANG Fengqing ZHANG Jianlin XU Hongzhou |
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| Institution: | South China Sea Institute of Oceanology, Chinese Academy of Sciences, LED laboratory, Guangzhou 510301, Guangdong China |
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| Abstract: | Surface seawater environmental parameters in northern South China Sea, including temperature, salinity, macro-nutrient ( i.e. NO2-N, NO3-N, NH3-N, SiO4, and PO4 ), dissolved oxygen, and pH levels were investigated in September and October, 2004, their distributions were characterized and the relationships among these parameters were analyzed. It was found that most of these factors distributed in patchness, and the west water body is obviously different from the east in terms of these parameters. The dissolved oxygen and pH have opposite distribution to the water temperature. Chl a can be regressed linearly to these factors, which suggested that the growth and development of phytoplankton in northern South China Sea is the overall effects of these factors. However, Chl a is most linearly closed to the contents of NO2 in the surface seawater of northern South China Sea, which suggested that the growth and development of phytoplankton is related tightly to NO2 levels there. |
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| Keywords: | Northern South China Sea Dissolved oxygen nutrient Chl a |
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