Four newly recorded species of Bacillariophyta from the mangroves in China
报道了来自福建和深圳红树林下中国首次记录的4种硅藻,即瓜形桥弯藻CymbellacucumisA.Schmidt、拟优美舟形藻NaviculaelegantoidesHustedt、侧偏舟形藻N.platyventrisMeister和柔弱舟形藻N.teneraHustedt,同时描述了每个种类的细胞形态特征和生态分布特点。作者认为淡水硅藻瓜形桥弯藻C.cucumis在半咸水和海水的环境中也有分布(盐度>15),应属于淡水和半咸水种。 【英文摘要】 Four species of diatoms from the mangroves in Fujian Province and Shenzhen City of China are described. They are Cymbella cucumis A. Schmidt, Navicula elegantoides Hustedt, N. platyventris Meister, and N. tenera Hustedt. They represent new records for China. Detailed description of the taxonomic characters of the four species and of their ecological behavior is given. Cymbella cucumis was defined as a freshwater and brackish water species for it occurred, though occasionally, where water salinity was more t...