标题：A Taxonomic and Morphological study of Fresh water Diatom species Synedra ulna (Nitzsch) Ehrenberg in Cauvery River at Bhavani region, Tamil Nadu, India
期刊名称：International Research Journal of Environmental Sciences
电子版ISSN：2319-1414
出版年度：2013
卷号：2
期号：11
页码：18-22
语种：English
出版社：International Science Community Association
摘要：Epilithic and Epiphytic diatoms from stones and macrophytes are collected in Cauvery river at Bhavani region in Erode District, Tamil Nadu State and examined by using Light Microscopy (LM). Sixty diatoms belonging to twenty two genera species are identified. The fresh water species Synedra ulna (Nitzsch) Ehrenberg is recorded for the first time in the study area and a large amount of epiphytic diatoms species. The Synedra ulna species belonging to the genus Synedra are illustrious by tiny taxonomic features. The detailed morphology of the species Synedra ulna (Nitzsch) Ehrenberg with the length and breadth of the valve, number of striae, shape of the apices, shape of the pseudoraphe and shape of the central area are examined. The species Synedra ulna (Nitzsch) Ehrenberg was found to be associated with fresh water and slightly water environment.
