DIVERSITY OF PERIPHYTIC DIATOM IN THE HO TAY LAKE

Abstract

The community structure of peryphytic diatom in theHo Tay lake was investigated during the year 2011. Periphytic diatoms were sampled in the Ho Tay lake and six diatom famillies (Naviculaceae, Nitzchiaceae, Centrophycidineae, Surirellaceae, Monoraphidineae, Brachyraphidineae, Araphidineae) were indentified.  They are mainly cosmopolitan taxa, with

some tropical, subtropical such as Nitzschia palea, Gomphonema parvulum, (GPAR), Cyclotella meneghiniana, Aulacoseira granulata, Fragilaria capucina, Cocconeis placentula, Achnanthidium minutissimum, Aulacoseira granulata, Achnanthidium minutissimum…