CAJ | 학술논문

2009年5月至2010年4月，按月对长江口碎波带浮游植物群落结构和环境因子进行调查。采集到浮游植物64属123种，主要由硅藻、绿藻和蓝藻组成。主要优势种为小环藻，常见种为硅藻门的直链藻（ Melosira sp．）、中肋骨条藻（Skeletonema costatum）、膜状舟形藻（Navicula membranacea），蓝藻门的小颤藻（Oscillatoria tenuis）、小席藻（Phormidium tenue）以及绿藻门的小球藻（Chlorella vulgaris）。浮游植物丰度在8.07×104 cells/L～1.39×106 cells/L之间，2009年8月最高，12月最低。浮游植物群落在7-8月份主要由蓝藻组成，其他月份主要由硅藻组成。统计分析细胞丰度与环境因子相关性显示：pH值与绿藻门和蓝藻门的细胞丰度显著负相关（P＜0.05，r＜0），透明度与绿藻门和蓝藻门的细胞丰度显著正相关（P＜0.05，r＞0）；温度与硅藻门的细胞丰度显著负相关（P＜0.05，r＜0）。
2009년5월지2010년4월，안월대장강구쇄파대부유식물군락결구화배경인자진행조사。채집도부유식물64속123충，주요유규조、록조화람조조성。주요우세충위소배조，상견충위규조문적직련조（ Melosira sp．）、중륵골조조（Skeletonema costatum）、막상주형조（Navicula membranacea），람조문적소전조（Oscillatoria tenuis）、소석조（Phormidium tenue）이급록조문적소구조（Chlorella vulgaris）。부유식물봉도재8.07×104 cells/L～1.39×106 cells/L지간，2009년8월최고，12월최저。부유식물군락재7-8월빈주요유람조조성，기타월빈주요유규조조성。통계분석세포봉도여배경인자상관성현시：pH치여록조문화람조문적세포봉도현저부상관（P＜0.05，r＜0），투명도여록조문화람조문적세포봉도현저정상관（P＜0.05，r＞0）；온도여규조문적세포봉도현저부상관（P＜0.05，r＜0）。
Community structure of phytoplankton and environmental factors were collected monthly in the surf zones of the Yangtze Riv -er estuary from May 2009 to April 2010.123 species from 64 genera were identified in the surf zones of the Yangtze River estuary .The main dominant species were Melosira sp., Skeletonema costatum, Navicula membranacea, Oscillatoria tenuis and Phormidium tenue. Chlorella vulgaris of Chlorophyta was also common in the dominant species .The abundance of phytoplankton was from 8.07 ×10 4 to 1.39 ×106 cells/L, the highest in August, and the lowest in December.The phytoplankton was mainly constituted of Cyanophyta in Ju-ly and August , and in other months was constituted of Bacillariophyta .The correlation analysis between cell abundance and environ-mental factors showed that the pH value had a significant negative correlation with the cell abundance of Chlorophyta and Cyanophyta (P<0.05,r<0), the transparency had a significant correlation with the cell abundance of Chlorophyta and Cyanophyta (P<0.05,r>0), the temperature showed the significant negative correlation with the cell abundance of Bacillariophyta (P<0.05,r<0).