2015年11月对武夷山北部山区溪流的附着藻类多样性进行调查研究时,发现了淡水硅藻的一个中国新记录种——双头异极藻(Gomphonema biceps Meister).通过光镜和扫描电镜观察,对双头异极藻武夷山地理种群的形态特征进行了详细描述,并将其与国外种群以及其他相似物种的形态特征进行了比较,同时对该物种的生境特点和世界地理分布作了介绍.%Freshwater diatom samples were collected and identified from the North Region of Wuyi Mountain,China,in November 2015.According to light microscope (LM) and scanning electron microscope (SEM),a newly reported diatom,Gomphonema biceps Meister,was identified and described here in detail.The morphological differences between this geographic population of G.biceps were compared with previously reported foreign populations and similar species with asymmetrical valve shape.In addition,the geographical distribution and habitat characteristics of G.biceps were discussed in this paper.
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