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Nutrient compositions of cultured Thalassiosira rotula and Skeletonema costatum from the Jiaozhou Bay in China
Shen Zhiliang; Wu Yulin; Liu Qun; Yao Yun
2008
发表期刊ACTA OCEANOLOGICA SINICA
ISSN0253-505X
卷号27期号:4页码:147-155
文章类型Article
摘要Carbon, nitrogen, phosphorus, silicon composition of cultured two different sized phytoplankton common species of Thalassiosira rotula and Skeletonema costatum from the Jiaozhou Bay were measured. Carbon, nitrogen, phosphorus, silicon contents in cell were. obvious higher in T. rotula than in S. costatum, but the percents of nitrogen, phosphorus, silicon contents in cell dry mass in T. rotula were lower than those in S. costatum. The dry mass concentrations of nitrogen,phosphorus,silicon in S. costatum were much higher than those in T. rotula, particularly silicon, the former was 6.4 times of the latter, showing that S. costatum could more assimilate these elements. Especially, S. costatum had competitive dominance for assimilating silicon, which is beneficial to its becoming a major dominant species in relative short silicon of the Jiaozhou Bay. There were some differences in numerical value of nutrient ratios both laboratory-cultured phytoplankton and different sized suspended particulates (mainly phytoplankton) in the Jiaozhou Bay, which was caused by the changes of environment. High contents of carbon, nitrogon and relative low phosporus,silicon, high molar ratio of nitrogen to phosphorus (far higher than Redfield value) and low ratio of silicon to phosphorus and silicon to nitrogen (far lower than Redfield values) in the two diatoms and different sized suspended particulates were consistent with those in the seawater. Relative short silicon in the seawater and phytoplankton showed that silicon was possibly affectting phytoplankton growth in the Jiaozhou Bay.; Carbon, nitrogen, phosphorus, silicon composition of cultured two different sized phytoplankton common species of Thalassiosira rotula and Skeletonema costatum from the Jiaozhou Bay were measured. Carbon, nitrogen, phosphorus, silicon contents in cell were. obvious higher in T. rotula than in S. costatum, but the percents of nitrogen, phosphorus, silicon contents in cell dry mass in T. rotula were lower than those in S. costatum. The dry mass concentrations of nitrogen,phosphorus,silicon in S. costatum were much higher than those in T. rotula, particularly silicon, the former was 6.4 times of the latter, showing that S. costatum could more assimilate these elements. Especially, S. costatum had competitive dominance for assimilating silicon, which is beneficial to its becoming a major dominant species in relative short silicon of the Jiaozhou Bay. There were some differences in numerical value of nutrient ratios both laboratory-cultured phytoplankton and different sized suspended particulates (mainly phytoplankton) in the Jiaozhou Bay, which was caused by the changes of environment. High contents of carbon, nitrogon and relative low phosporus,silicon, high molar ratio of nitrogen to phosphorus (far higher than Redfield value) and low ratio of silicon to phosphorus and silicon to nitrogen (far lower than Redfield values) in the two diatoms and different sized suspended particulates were consistent with those in the seawater. Relative short silicon in the seawater and phytoplankton showed that silicon was possibly affectting phytoplankton growth in the Jiaozhou Bay.
关键词Carbon Nitrogen Phosphorus Silicon Composition Skeletonema Costatum Thalassiosira Rotula Jiaozhou Bay
学科领域Oceanography
收录类别SCI
语种英语
WOS记录号WOS:000260878500014
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/5372
专题海洋生态与环境科学重点实验室
作者单位Chinese Acad Sci, Key Lab Marine Ecol & Environm Sci, Inst Oceanol, Qingdao 266071, Peoples R China
第一作者单位中国科学院海洋研究所
推荐引用方式
GB/T 7714
Shen Zhiliang,Wu Yulin,Liu Qun,et al. Nutrient compositions of cultured Thalassiosira rotula and Skeletonema costatum from the Jiaozhou Bay in China[J]. ACTA OCEANOLOGICA SINICA,2008,27(4):147-155.
APA Shen Zhiliang,Wu Yulin,Liu Qun,&Yao Yun.(2008).Nutrient compositions of cultured Thalassiosira rotula and Skeletonema costatum from the Jiaozhou Bay in China.ACTA OCEANOLOGICA SINICA,27(4),147-155.
MLA Shen Zhiliang,et al."Nutrient compositions of cultured Thalassiosira rotula and Skeletonema costatum from the Jiaozhou Bay in China".ACTA OCEANOLOGICA SINICA 27.4(2008):147-155.
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