【摘要】 为了研究南极的生物多样性 ,特别是藻类植物的多样性 ,利用光学显微镜和扫描电镜 ,对南极乔治王岛的大型鞘丝藻 (Lyngbyamajor)的形态进行了初步观察。观察结果表明 ,在大型鞘丝藻中有明显的胶质鞘 ,分层。藻丝的营养细胞是扁平的 ,具异形胞。更多还原

【Abstract】 In order to study the diversity of Antarctica’s living beings,and especially that of algae,we had preliminarily observed the formation of Lyngbya major with SEMand optical microscope in the King George Island of Antarctica.The observational result indicates clearly that there are evidently the glue sheathes in filament of Lyngbya major,which are strati form.The filament possesses oblate cell for nutrition and heterocyst.更多还原