| HUO Yuanzi,SHI Honghua,ZHANG Jianheng,LIU Qiao,DUAN Yuanliang,HE Qing,YU Kefeng,BI Hongsheng,Fan Chunlei,HE Peimin. 2019. Spatio-temporal variability of phytoplankton assemblages and its controlling factors in spring and summer in the Subei Shoal of Yellow Sea, China. Acta Oceanologica Sinica, 38(10):84－92 |
| Spatio-temporal variability of phytoplankton assemblages and its controlling factors in spring and summer in the Subei Shoal of Yellow Sea, China |
| 黄海苏北浅滩海域春夏季浮游植物时空分布及其控制生态因子 |
| Received:June 21, 2018 |
| DOI：10.1007/s13131-019-1345-2 |
| Key words:phytoplankton|Subei Shoal|eutrophication|turbidity|harmful algae blooms|Yellow Sea |
| 中文关键词: 浮游植物|苏北浅滩|富营养化|浊度|有害藻华|黄海 |
| 基金项目:The Public Science and Technology Research Funds Projects of the Ocean under contract Nos 201205010 and 201205009-5; the National Science & Technology Pillar Program under contract No. 2012BAC07B03; the National Natural Science Foundation of China under contract No. 41206111; the Chinese Science and Technology Base Projects under contract No. 2012FY112500; the Shanghai Universities First-class Disciplines Project (Disapline name:Marine Science (0707)); the Plateau Peak Disciplines Project of Shanghai Universities (Marine Science 0707). |
| Author Name | Affiliation | E-mail | | HUO Yuanzi | College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
Chesapeake Biological Laboratory, University of Maryland Center for Environmental Science, Solomons, MD 20688, USA | yzhuo@shou.edu.cn | | SHI Honghua | First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China | | | ZHANG Jianheng | College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China | | | LIU Qiao | College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China | | | DUAN Yuanliang | College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China | | | HE Qing | College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China | | | YU Kefeng | College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China | | | BI Hongsheng | Chesapeake Biological Laboratory, University of Maryland Center for Environmental Science, Solomons, MD 20688, USA | | | Fan Chunlei | Biology Department, Patuxent Environmental & Aquatic Research Laboratory, Morgan State University, Saint Leonard, MD 20685, USA | | | HE Peimin | College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China | |
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| Abstract: |
| The Subei Shoal is a special coastal area with complex physical oceanographic properties in the Yellow Sea. In the present study, the distribution of phytoplankton and its correlation with environmental factors were studied during spring and summer of 2012 in the Subei Shoal of the Yellow Sea. Phytoplankton species composition and abundance data were accomplished by Utermöhl method. Diatoms represented the greatest cellular abundance during the study period. In spring, the phytoplankton cell abundance ranged from 1.59×103 to 269.78×103 cell/L with an average of 41.80×103 cell/L, and Skeletonema sp. and Paralia sulcata was the most dominant species. In summer, the average phytoplankton cell abundance was 72.59×103 cell/L with the range of 1.78×103 to 574.96×103 cell/L, and the main dominant species was Pseudo-nitzschia pungens, Skeletonema sp., Dactyliosolen fragilissima and Chaetoceros curvisetus. The results of a redundancy analysis (RDA) showed that turbidity, temperature, salinity, pH, dissolved oxygen (DO), the ratio of dissolved inorganic nitrogen to silicate and SiO4-Si (DIN/SiO4-Si) were the most important environmental factors controlling phytoplankton assemblages in spring or summer in the Subei Shoal of the Yellow Sea. |
| 中文摘要: |
| 黄海苏北浅滩海域具有复杂的物理海洋学特征。本文研究报道了2012年黄海苏北浅滩海域春夏季节浮游植物时空分布特征及其控制的生态因子。浮游植物种类组成和丰度应用Utermöhl方法进行鉴定与计数。研究期间，硅藻类是丰度上最大的类群。春季，浮游植物丰度为1.59×103至269.78×103 cells/L，平均为41.80×103 cells/L，骨条藻和具槽帕拉藻是绝对的优势种类。夏季，浮游植物丰度为1.78×103 至 574.96×103 cells/L，平均为72.59×103 cells/L，尖刺拟菱形藻、骨条藻、脆指管藻和旋链角毛藻为主要的优势种类。RDA分析表明，浊度、温度、盐度、pH、溶解氧（DO）、氮硅比（DIN/SiO4-Si）和硅浓度是控制黄海苏北浅滩海域春夏季浮游植物群落结构最为重要的生态因子。 |
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