长江口及邻近海域冬夏季浮游植物营养限制及其比较

赵卫红; 王江涛; 李金涛; 崔鑫; 吴玉霖; 苗辉

长江口及邻近海域冬夏季浮游植物营养限制及其比较

1.
中国科学院, 海洋研究所, 海洋生态与环境科学重点实验室, 山东, 青岛, 266071
2.
中国海洋大学, 化学化工学院, 山东, 青岛, 266003
3.
中国科学院, 海洋研究所, 海洋生态与环境科学重点实验室, 山东, 青岛, 266071;中国海洋大学, 化学化工学院, 山东, 青岛, 266003

基金项目: 中国科学院知识创新工程资助项目(KZCX2-207);国家重点基础研究项目资助(2001CB409703)

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出版历程
- 收稿日期: 2005-07-22
- 修回日期: 2005-12-12

Contrast of nutrient limiting phytoplankton growth in the Changjiang River Estuary and the adjacent areas between summer and winter

1.
Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
2.
College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266003, China
3.
Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266003, China

摘要

摘要: 2001年7月27日至8月11日,2002年1月8~19日在长江口及邻近海域进行了浮游植物限制因子测定的现场培养实验.结果显示:在近长江口透明度低于1 m的海域,冬季和夏季浮游植物的生长均受到光的限制.调查海域范围内夏季高浮游植物生物量海区主要集中在舟山渔场和长江口以北两个区域,盐度范围在28~31.冬季高浮游植物量海区向东南方向移动.夏季浮游植物的生长按照受限情况划分为4个区域:Ⅰ.近河口光限制区;Ⅱ.磷潜在的限制区;Ⅲ.氮、磷潜在限制过渡区;Ⅳ.氮潜在限制区.冬季划分为3个区域:Ⅰ.近河口浮游植物光限制区;Ⅱ.磷潜在限制区;Ⅲ.非营养潜在限制区.
- 长江口 /
- 浮游植物 /
- 营养限制
Abstract: Biogeochemical investigations and the field culture experiments were carried out drom 27 July to 11 August,2001 and 8 to 19 January 2002.The results indicated that the phytoplankton growth was limited by the illumination near the Changjiang River estuary where the transparences were less than 1 m both in summer and in winter.In summer,high biomasses were located at the Zhoushan fishing ground and the north of the Changjiang River Estuary where the salinities ranged from 28 to 31.However,the high biomass distribution area moved to the southeast in winter.Four partition areas were plotted according to the limitation conditions of phytoplankt on growth in summer:Ⅰ.illumination limitation near the estuary area;Ⅱ.phosphorus potential limitation;Ⅲ.the conversion of phosphorus to nitrogen potential limitation;Ⅳ.nitrogen potential limitation.Three areas are parted in winter:Ⅰ.illumination limitation near the estuary area;Ⅱ.phosphorus potential limitation;Ⅲ.nonutrients potential limitation.
- Changjiang River Estuary /
- phytoplankton /
- nutrient limitation

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