|
|||||
|
|
| Heterotrophic bacteria of the Dapeng Bay in the South China Sea: community structure, abundance, and the relationships of culturablity with environmental factors | |
| 作者姓名： | JIANG Fajun HU Zhangli HU Chaoqun |
| 作者单位： | JIANG Fajun(South China Sea Institute of Oceanology,Chinese Academy of Sciences,Guangzhou 510301,China;Guangxi Academy of Sciences,Nanning 530007,China);HU Zhangli(College of Life Sciences,Shenzhen University,Shenzhen 518060,China);HU Chaoqun(South China Sea Institute of Oceanology,Chinese Academy of Sciences,Guangzhou 510301,China) |
| 基金项目： | The National Natural Science Foundation of China under contract Nos 30770340 and 30470281; the National Major Program of Science and Technology for Water Pollution Control and Restoration in China under contract Nos 2009ZX07423- 003 and 2009ZX07101-011; Shenzhen Grant Plan for Science and Technology. |
| 摘 要： | The community composition,abundance and culturablity of heterotrophic bacterioplankton in the Dapeng Bay of the South China Sea were investigated by morphological method,bacterial cultivation and biochemical methods over an annual cycle.Aeromonas and Pseudomonas were the predominant genera among the Gram-negative bacteria.The bacterioplankton abundance fluctuated from 2.07×10 8 to 2.44×10 9 cells/dm 3 ,and culturable bacteria abundance ranged between 0.1×10 6 and 16.07×10 6 CFU/dm 3 .The Culturablity of heterotrophic bacteria ranged between 0.01% and 1.31%.The relationship between bacterial culturablity and the environmental factors was also studied in different sites of the Dapeng Bay.Throughout the bay,a significantly positive relationship was evidenced between bacterial culturability and temperature,meanswhile bacterial culturability was significantly inversely related with salinity.The positive relationship was shown at the central bay while a negative relationship was observed at the bay mouth and there was no significant correlation at top bay between bacterial culturablity and chlorophyll a of sea water.A positive relationship was found between culturability and DIN all the bay,but DIP showed a significantly negative relationship with bacterial culturability only at the mouth of the bay. |
| 关 键 词： | 异养细菌 环境因子 大鹏湾 Sea 群落结构 中国 细菌培养 正相关关系 |
| 收稿时间： | 8/9/2009 12:00:00 AM |
| 修稿时间： | 2010/3/29 0:00:00 |
Heterotrophic bacteria of the Dapeng Bay in the South China Sea: community structure, abundance, and the relationships of culturablity with environmental factors |
|
| JIANG Fajun,HU Zhangli,HU Chaoqun.Heterotrophic bacteria of the Dapeng Bay in the South China Sea: community structure, abundance, and the relationships of culturablity with environmental factors[J].Acta Oceanologica Sinica,2010,29(4):88-97. | |
| Authors: | JIANG Fajun HU Zhangli and HU Chaoqun |
| Institution: | 1. South China Sea Institute of Oceanology,Chinese Academy of Sciences,Guangzhou 510301,China;Guangxi Academy of Sciences,Nanning 530007,China 2. College of Life Sciences,Shenzhen University,Shenzhen 518060,China 3. South China Sea Institute of Oceanology,Chinese Academy of Sciences,Guangzhou 510301,China |
| Abstract: | The community composition, abundance and culturablity of heterotrophic bacterioplankton in the Dapeng Bay of the South China Sea were investigated by morphological method, bacterial cultivation and biochemical methods over an annual cycle. Aeromonas and Pseudomonas were the predominant genera among the Gram-negative bacteria. The bacterioplankton abundance fluctuated from 2.07×108 to 2.44×109 cells/dm3, and culturable bacteria abundance ranged between 0.1×106 and 16.07×106 CFU/dm3. The Culturablity of heterotrophic bacteria ranged between 0.01% and 1.31%. The relationship between bacterial culturablity and the environmental factors was also studied in different sites of the Dapeng Bay. Throughout the bay, a significantly positive relationship was evidenced between bacterial culturability and temperature, meanswhile bacterial culturability was significantly inversely related with salinity. The positive relationship was shown at the central bay while a negative relationship was observed at the bay mouth and there was no significant correlation at top bay between bacterial culturablity and chlorophyll a of sea water. A positive relationship was found between culturability and DIN all the bay, but DIP showed a significantly negative relationship with bacterial culturability only at the mouth of the bay. |
| Keywords: | heterotrophic bacteria culturable bacteria culturablity environmental factors |
| 本文献已被 CNKI 维普 万方数据 SpringerLink 等数据库收录！ | |
| 点击此处可从《海洋学报(英文版)》浏览原始摘要信息 | |
| 点击此处可从《海洋学报(英文版)》下载免费的PDF全文 | |