深圳海域弧菌种类组成、数量分布及其与环境因子的关系研究

陈明霞; 李和阳; 李刚; 郑天凌; 焦昆; 韩永胜

深圳海域弧菌种类组成、数量分布及其与环境因子的关系研究

1.
厦门大学生命科学学院, 福建厦门361005; 华侨大学化工学院, 福建厦门361021
2.
国家海洋局第三海洋研究所, 福建厦门361005
3.
深港产学研基地深圳市海岸与大气重点实验室, 广东深圳518057
4.
厦门大学生命科学学院, 福建厦门361005
5.
厦门大学生命科学学院, 福建厦门361005; 国家海洋局第三海洋研究所, 福建厦门361005

基金项目: 国家自然科学基金资助项目(41006117);海洋公益性行业科研专项经费项目(200805064);国家"908"专项课题评价项目(908-02-04-01);国家"908"、福建"908"专项课题调查项目(908-01-ST06;FJ908-01-01-HS);国家海洋局第三海洋研究所引进人才基金项目(海三科2005003;2005007)

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出版历程
- 收稿日期: 2009-12-25

The study on the diversity and distribution of vibrios and the correlation between them and their ambient environmental factors in Shenzhen coastal waters

1.
School of Life Science, Xiamen University, Xiamen 361005, China; College of Chemical Engineering, Huaqiao University, Xiamen 361021, China
2.
Third Institute of Oceanography, State Oceanic Administration, Xiamen 361005, China
3.
Key Labortory for Coastal and Atmospheric Research, PKU-HKUST Shenzhen-Hong Kong Institution Industry Education Research, Shenzhen 518048, China
4.
School of Life Science, Xiamen University, Xiamen 361005, China
5.
School of Life Science, Xiamen University, Xiamen 361005, China; Third Institute of Oceanography, State Oceanic Administration, Xiamen 361005, China

摘要

摘要: 研究了深圳海域2008年4月、9月的水体弧菌数量、种类组成及其分布,探讨了弧菌总数及各优势类群的数量分布与环境因子间的相关关系。结果表明:弧菌总数分布具有季节性,东部海域春季(4月)的弧菌数量高于秋季(9月)的,其均值分别为1.50×10⁴ ,8.89×10² CFU/cm³;在西部海域秋季的略高于春季的,其均值分别为5.09×10²,2.66×10² CFU/cm³;弧菌数量最高值出现在大亚湾(4.40×10⁴ CFU/cm³)。弧菌的优势类群具有季节性分布特征:春季特有的优势类群有Vibrio gigantis类似种和V. splendidus类似种,秋季特有的优势类群有V. natriegens类似种;V. alginolyticus类似种是两个季节共有的优势类群,其数量春季高于秋季的。弧菌种类、数量与海水温度、盐度及细菌总数、Chl-a等环境因子有一定的相关性,其中盐度为弧菌种类及数量分布的主要影响因子。
- 深圳海域 /
- 弧菌种类与数量分布 /
- 环境因子
Abstract: The diversity and distribution of vibrios in Shenzhen coastal waters were studied, and the relationships between environmental factors and vibrio quantity were investigated. Results showed that the seasonal variations of culturable vibrios in Shenzhen coastal sea seemed to be obvious. In the east costal sea, the number of marine vibrios in April(with an average value of 1.50×10⁴ CFU/cm³) was higher than that in September(with an average value of 8.89×10² CFU/cm³), while in the west costal sea, the number of marine vibrios in September(with an average value of 5.09×10² CFU/cm³) was higher than that in April(with an average value of 2.66×10² CFU/cm³). The highest number was detected in the Daya Bay. The seasonal variations of each dominant Vibrio sp. in the coastal waters indicate that V. gigantis-like species and V. splendidus-like species were dominant in April with lower temperature, while V. natriegens-like species were dominant in September with higher temperature; V. alginolyticus-like species were the dominant group in both seasons, the average number of it in April are higher than that in September. The vibrios density showed certain relationship between temperature, salinity, pH, level of fecal coliforms, level of total bacteria and culturable bacteria, and the salinity controls the distribution of vibrios obviously.
- Shenzhen coastal waters /
- diversity and distribution of vibrios /
- environmental factors

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参考文献(26)

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