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NAOSITE : Nagasaki University's Academic Output SITE > Faculty of Education > Bulletin > Bulletin of Faculty of Education, Nagasaki University. Natural science > No. 74 >

若狭湾西部の丹後海堆積物中の脂質組成と分布


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Title: 若狭湾西部の丹後海堆積物中の脂質組成と分布
Other Titles: Lipid Compounds and Distribution in Sediments from Tango-kai Bay of western part of Wakasa Bay
Authors: 近藤, 寛
Authors (alternative): Kondo, Hiroshi
Issue Date: 1-Mar-2006
Citation: 長崎大学教育学部紀要. 自然科学 2006; v.74, 15-25
Abstract: Sediment samples from Tango-kai bay of the western part of Wakasa bay were analyzed for mud contents, CaCO_3, organic C, N, δ^<13>C and lipid compounds. Surveyed area are divided into 5 areas, that is, river mouth, bay head, mid bay, bay coast and strait. Land derived organic matter in the sediments are 47.1~91.4% at the bay head of Tango-kai bay and 31.4%, 37.1% at the mid bay of Wakasa bay. The contents of n-alkanes are high in the sediments at the Yura river, bay head and mid bay. The distribution pattern of L/H (L≦C_<20>, H≧C_<21>) of n-alkanes is different from the distribution pattern of δ^<13>C. The concentrations of dinosterol (a) are large in the silt from the bay head and the silty sand from the mid bay and strait. The distribution pattern β-sitosterol is similar to the distribution pattern of δ^<13>C. In a triangular diagram of C_<27>, C_<28>, C_<29>-sterols, the sediments of the strait and mid bay are plotted on open marine. The sediments of the river mouth and bay head are plotted on estuarine or bay.
URI: http://hdl.handle.net/10069/7252
ISSN: 13451359
Type: Departmental Bulletin Paper
Appears in Collections:No. 74

Citable URI : http://hdl.handle.net/10069/7252

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