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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41247

Title: Winter distribution of diatom assemblage in the East China Sea
Authors: Kuo-Ping Chiang
Yu-Hsuan Chou
Jeng Chang
Gwo-Ching Gong
Contributors: 國立臺灣海洋大學:海洋環境化學與生態研究所
Keywords: winter
Background assemblage
diatom assemblage
East China Sea
Kuroshio
Kuroshio assemblage
Date: 2004-11
Issue Date: 2017-02-10T08:26:59Z
Publisher: Journal of Oceanography
Abstract: Abstract: We examined the spatial distributional relationships between diatom assemblages and water types during the winter in the East China Sea. Principal component analysis was used to identify two water types and two diatom assemblages in the study area. Coastal water types along the mainland China coastline had low temperature and salinity levels, but high nitrate levels. The shelf-mixing water type in the rest of the study area had higher temperatures and salinities and lower levels of nitrate. Diatom assemblage distribution was not spatially consistent with water type. The Kuroshio assemblage had a large standing stock, distributed along the surface of the shelf break. This assemblage is likely the result of Kuroshio surface water coming into contact with nutrient-rich water in the shelf area, triggering proliferation of certain diatom species. A background assemblage with low standing stock level persisted over the entire study area in both coastal water and the shelf-mixing water types. Our results support previous research: the background assemblage is due to poor growth conditions such as the convection of water during winter; there were no significant seasonal variations in the species composition.
Relation: 60(6)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41247
Appears in Collections:[海洋環境與生態研究所] 期刊論文

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