| Distribution of biomass of heterotrophic bacterioplankton in the Bohai Sea |
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| 作者姓名： | 白洁 李岿然 张经 李正炎 高会旺 张昊飞 |
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| 作者单位： | [1]Laboratory of Marine Environmental Science and Ecology, Ocean University of China, Qingdao 266003, China [2]College of Marine Life Science, Ocean University of China,Qingdao 266003, China [3]College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266003, China |
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| 基金项目： | This research was conducted as a component of the project “Watersheds Nutrient Loss and Eutrophication of Jiaozhou Bay” funded by National Natural Science foundation of China under Grant 40036010.ACKN0WLEDGEMENT We thank editors of this Chinese Journal of 0ceanology and Limnology for their valuable comments and suggestions. |
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| 摘 要： | Distribution, variation and impact factors of biomass of bacterioplankton from April to May 1999 in Bohai Sea were studied in DAPI method with epifluorescence microscopy. The biomass in surface waters showed a small day-night variation, varying from 0.13 to 2.51μg/dm^3 with an average of 0.84μg/dm^3. The biomass in bottom waters showed, however, a large variation, changing from 0.15 to 4.18μg/dm^3 with an average of 1.36μg/dm^3. The peak values occurred at 5 and 11 a.m. The bottom water biomass showed a significant correlation with particulate organic carbon （r=0.639, P〈0.05）. Heterotrophic bacterioplankton biomass was high in nearshore waters and low in offshore areas with a high biomass zone around Huanghe （Yellow） River mouth, showing the same distribution of nutrients. In vertical distribution, heterotrophic bacteria biomass in bottom waters was higher than that in surface water.
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| 关 键 词： | 渤海 浮游细菌 生物数量 水生生物 |
| 收稿时间： | 2004-10-13 |
| 修稿时间： | 2005-06-22 |
Distribution of biomass of heterotrophic bacterioplankton in the Bohai Sea |
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| Bai Jie,Li Kuiran,Zhang Jing,Li Zhengyan,Gao Huiwang,Zhang Haofei.Distribution of biomass of heterotrophic bacterioplankton in the Bohai Sea[J].Chinese Journal of Oceanology and Limnology,2005,23(4):427-432. |
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| Authors: | Bai Jie Li Kuiran Zhang Jing Li Zhengyan Gao Huiwang Zhang Haofei |
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| Institution: | (1) Laboratory of Marine Environmental Science and Ecology, Ocean University of China, 266003 Qingdao, China;(2) College of Marine Life Science, Ocean University of China, 266003 Qingdao, China;(3) College of Chemistry and Chemical Engineering, Ocean University of China, 266003 Qingdao, China |
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| Abstract: | Distribution, variation and impact factors of biomass of bacterioplankton from April to May 1999 in Bohai Sea were studied
in DAPI method with epifluorescence microscopy. The biomass in surface waters showed a small day-night variation, varying
from 0.13 to 2.51 μg/dm3 with an average of 0.84 μg/dm3. The biomass in bottom waters showed, however, a large variation, changing from 0.15 to 4.18 μg/dm3 with an average of 1.36 μg/dm3. The peak values occurred at 5 and 11 a.m. The bottom water biomass showed a significant correlation with particulate organic
carbon (r=0.639,P<0.05). Heterotrophic bacterioplankton biomass was high in nearshore waters and low in offshore areas with a high biomass
zone around Huanghe (Yellow) River mouth, showing the same distribution of nutrients. In vertical distribution, heterotrophic
bacteria biomass in bottom waters was higher than that in surface water.
This research was conducted as a component of the project “Watersheds Nutrient Loss and Eutrophication of Jiaozhou Bay” funded
by National Natural Science foundation of China under Grant 40036010. |
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| Keywords: | biomass heterotrophic bacterioplankton distribution Bohai Sea |
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