Biological Investigations of Inland Waters of Sikoku, especially of Tokusima Prefecture II:Brackish-Water Ponds formed on the Dried River-bed of the Yosino River

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• 1.Two limnological excursions to three brackish water ponds on the dried river-bed near the estuary of the Yosino river were made in 1935, the first in April 3rd and the second in July 23 th (figs. 1-4).<BR>2.At the time of the first visit, the water of the ponds contained. considerable amounts of chlorine (Table I). The plankton consisted of several, brackish-water forms as Sinocalanus tencllus, forms such as Podon leuckarti and freshwater forms such as Keratella quadrata (Table II).<BR>3.At the time of the second visit, the chlorine content of the pond waters was greatly reduced owing to the flood condition of the river caused by the heavy rain fall (Table I). Consequently, an abundance of plankters such as Meaocyclops leuckarti, which are derived front freshwater, were found instead of plankters which originate in brackish, water or the sea.

• 日本陸水学会の論文

日本陸水学会 | 論文

• キイロカワカゲロウの孵化におよぼす水温の影響〔英文〕
• キイロカワカゲロウ羽化の経日・日周変化〔英文〕
• Studies on Taxonomy and Distribution of the Freshwater Snails,Genus,Semisulcospia in the Three Islands inside Lake Biwa
• びわ湖南湖におけるタテヒダカワニナおよびカゴメカワニナの分布とその決定要因について
• ちりとり型金綱による河川底生動物採集上の問題点

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