CAJ | 학술논문

2006年10月11～14日对连江的浮游植物进行了初步调查,发现浮游植物共182种(含变种、变型和未知藻种),其中硅藻最多、占总种数的68.13%,绿藻门次之、占总种数的14.84%,其他门类合占12.09%,未知8种.调查期间,连江浮游植物种群不存在优势种,多样性指数和均匀度均处于较高水平,水域环境质量良好.浮游植物种群密度范围为4.40×10~4～7.54×10~4 cells/dm~3,均值为5.38×104 cells/dm~3,平面分布上游明显高于下游.连江浮游植物种群的空间分布格局是由占绝对优势的硅藻决定的.
2006년10월11～14일대련강적부유식물진행료초보조사,발현부유식물공182충(함변충、변형화미지조충),기중규조최다、점총충수적68.13%,록조문차지、점총충수적14.84%,기타문류합점12.09%,미지8충.조사기간,련강부유식물충군불존재우세충,다양성지수화균균도균처우교고수평,수역배경질량량호.부유식물충군밀도범위위4.40×10~4～7.54×10~4 cells/dm~3,균치위5.38×104 cells/dm~3,평면분포상유명현고우하유.련강부유식물충군적공간분포격국시유점절대우세적규조결정적.
We studied the phytoplankton community of Lianjiang during October, 2006. The results indicated that 182 species were identified, 68.13% of which belonging to Bacillariophyta, 14.84% to Chlorophyta, and 12.09% to others. There had no dominant species among phytoplankton community during the investigation. The diversity index and evenness index were both relatively high, which indicated that the water quality of Lianjiang was good. The cell density ranged from 4.40×10~4 to 7.54×10~4cells/dm~3, with an average of 5.38×10~4cells/dm~3, and the mean density of upstream was obviously higher than the downstream. The spatial distribution style of phytoplankton was controlled by diatom which was absolutely dominant in Lianjiang.