島根大学汽水域研究センター
ISSN:2185-2995(オンライン)
ISSN:1340-3834(冊子体)
ISSN:1340-3834(冊子体)
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Laguna : 汽水域研究 5
1998-03 発行
1996年浜名湖調査試料から得られた貝形虫群集
Ostracode Assemblages from Lake Hamana, Shizuoka Prefecture, Japan, in 1996
伊藤 広光
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内容記述（抄録等）
Ostracode assemblages were surveyed at Lake Hamana, Shizuoka Prefecture, in 1996. Twenty-seven species among nineteen genera were discriminated from twenty-five bottom sediment samples. Ostracode individuals were poor in the north deeper region and rich in the south shallower region including the lake mouth. Ostracode assemblages were divided into three biofacies, e.i.A)brackish water inlet biofacies, B)inner bay biofacies, C) lake coast and lake mouth biofacies. Comparing with previous survey in 1970's, in biofacies C, minor compositional changes were recognized with increase of Aurila corniculata, appearance of Loxoconha hattorii and conspicuous decrease of Hemicytheruratricarinata.
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