| Distribution characteristics of size-fractionated chlorophyll a, primary production and new production in the Laizhou Bay, July 1997 |
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| 作者姓名： | Cai Yuming Ning Xiuren LiuZilin Liu Chenggang |
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| 作者单位： | Cai Yuming，Ning Xiuren，LiuZilin，Liu Chenggang1. Key Lab of Ocean Dynamic Processes & Satellite Oceanography，State Oceanic Administration，Hangzhou310012，China2. Second Institute of Oceanography，State Oceanic Administration，Hangzhou 310012，China |
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| 基金项目： | This study was supported by the National Natural Science Foundation of China under contract No. 497900102. |
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| 摘 要： | The distributions of chlorophyll a concentration, primary production and new productionwere observed in the Laizhou Bay of the Bohai Sea in both spring and neap tides during July 1997. The results showed that there were marked features of spatial zonation in the surveyed area, due to the differences between the geographic environment and the hydrological conditions. Chlorophyll a, primary production and new production were all higher in spring tides than that in neap tides in the Laizhou Bay. The highest values of these parameters were encountered in the central regions of the bay. At most stations, chlorophyll a concentrations at the bottom were higher than that at the surface. The results of size-fractionated chlorophyll a and primary production showed that contributions of nano-combining pi-coplankton ( > 20 μm) to total chlorophyll a and primary production were dominant in phytoplankton community biomass and production of the Laizhou Bay. The environmental factors, primary production and new product
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| 关 键 词： | The Laizhou Bay chlorophyll a primary production size-fractionation new production |
| 收稿时间： | 2/5/2001 12:00:00 AM |
| 修稿时间： | 2001/4/30 0:00:00 |
Distribution characteristics of size-fractionated chlorophyll a, primary production and new production in the Laizhou Bay, July 1997 |
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| Cai Yuming,Ning Xiuren,LiuZilin,Liu Chenggang.Distribution characteristics of size-fractionated chlorophyll a, primary production and new production in the Laizhou Bay, July 1997[J].Acta Oceanologica Sinica,2002,21(1):135-146. |
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| Authors: | Cai Yuming Ning Xiuren LiuZilin and Liu Chenggang |
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| Institution: | 1.Key Lab of Ocean Dynamic Processes & Satellite Oceanography, State Oceanic Administration, Hangzhou 310012, China;Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China2.Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China |
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| Abstract: | The distributions of chlorophyll a concentration, primary production and new production were observed in the Laizhou Bay of the Bohai Sea in both spring and neap tides during July 1997. The results showed that there were marked features of spatial zonation in the surveyed area, due to the differences between the geographic environment and the hydrological conditions. Chlorophyll a, primary production and new production were all higher in spring tides than that in neap tides in the Laizhou Bay.The highest values of these parameters were encountered in the central regions of the bay. At most stations, chlorophyll a concentrations at the bottom were higher than that at the surface. The results of size-fractionated chlorophyll a and primary production showed that contributions of nano-combining picoplankton (＜ 20 μm) to total chlorophyll a and primary production were dominant in phytoplankton community biomass and production of the Laizhou Bay. The environmental factors, primary production and new production in the Laizhou Bay are compared with other sea areas. |
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| Keywords: | The Laizhou Bay chlorophyll a primary production size-fractionation new production |
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