Diatoms of the Takao River, Fukuoka Prefecture

Abstract

We investigated an epilithic diatom assemblage collected at a downstream site of the Takao River, Fukuoka Prefecture, on November 12, 2008. The sample was examined with a light microscope and a scanning electron microscope. Each taxon was photographed and measured for identification. Twenty-two taxa belonging to 11 genera were recorded. Cymbella leptoceros, Achnanthes subhudsonis, and Navicula minima were abundant. The DAIpo value was 83.8, indicating β-oligosaprobic level.