Diatom Assemblage occurred as an Environmental Frontier Community in a Spa (pH 10.1) which is the most Alkaline Hot Spring in Japan

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概要

• 論文の詳細を見る

• The diatom assemblage in an alkaline hot spring which is the most alkaline spring in Japan with 10.1 in pH value was investigated. A total of 20 taxa belonging to 9 genera were recorded.<BR>Am ong them, we paid an attention to the occurrence of unexpected two taxa e. g. <I>Tabellaria flocculosa</I> and <I>Achnanthes minutissima</I> var. <I>minutissima</I>. The former has been regarded as an acidophilous taxon by many investigators and the latter has occurred abundantly not also in various water environments with pH value above 5, but also in waters affected by the mining effluent.<BR>We would like to call such the taxon as above mentioned and the community which occurred near the ends of environmental gradient as "environmental frontier species" and "environmental frontier community" respectively.

• The Japanese Society of Diatomologyの論文

The Japanese Society of Diatomology | 論文

• Size reduction of Martyana martyi (Hérib. ) Round in Akan-ko (Akan Lake)
• New combinations for some taxa of Navicula and Stauroneis, and an avowed substitute for a taxon of Eunotia
• The use of scanning electron microscopy as a necessary complement of light microscopy diatom examination for ecological studies.
• Diatoms from Lake Ikeda, Kagoshima Prefecture, Japan
• Nomenclatural changes for 20 diatom taxa occurring in Japan

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