Preliminary Studies on Diatoms from Gahai Lake,Gansu Province

Abstract

A total of 84 taxa ( including 32 generaꎬ 75 species and 9 varieties) of diatoms from Gahai Lake were reported in this paper. Of these taxaꎬ 4 species were new records in China: Gomphonema laticollum E􀆰 Reichardtꎬ Navicula antonii Lange ̄Bertalotꎬ Navicula seibigiana Lange ̄Bertalotꎬ and Stauroneis reichardii Lange ̄Bertalot. The characteristic of species distribution and ecology was discussed.