中国沿海洛氏角毛藻复合群的多样性组成及地理分布

陈作艺,许晓静,朱素英,翟梦怡,李扬

Species diversity and geographical distribution of the Chaetoceros lorenzianus complex along the coast of China

Chen Zuoyi,Xu Xiaojing,Zhu Suying,Zhai Mengyi,Li Yang

图5 曼纳角毛藻的光学显微镜(LM) (A, I)、扫描电镜(SEM) (B-E, J)和透射电镜(TEM) (F-H)示意图。A: 链状群体; B: 链中壳面; C: 端壳面, 示唇形突(箭头); D: 链中壳面, 示重叠硅质翼(宽箭型), 硅质脊(箭头)及壳套基部凹槽(窄箭型); E-F: 链中壳面, 示中央环纹(F, 箭型); G: 壳套; H: 环带; I, J: 角毛结构。标尺 = 50 μm (A), 10 μm (B, D, I), 5 μm (F), 4 μm (C, E, J), 2 μm (G, H)。

Fig. 5 Morphology of Chaetoceros mannaii under light microscopy (LM) (A, I), scanning electron microscopy (SEM) (B-E, J) and transmission electron microscopy (TEM) (F-H). A, Chain in broad girdle view; B, Sibling intercalary valves showing aperture; C, Terminal valve view with external process of rimoportula (arrowhead); D, Intercalary cells with overlapping silica wings (broad arrow), silica ridges (arrowhead) and furrow above the basal ring of mantle (arrow); E, F, Internal view of an intercalary valves, showing central annulus (F, arrow); G, Mantle; H, Girdle bands; I and J: Setae structure. Scale bars, 50 μm (A), 10 μm (B, D, I), 5 μm (F), 4 μm (C, E, J), 2 μm (G, H).