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Title: Light effect on phytoplankton photosynthetic performance in the southern East China Sea north of Taiwan
Authors: Fuh-Kwo Shiah
Gwo-Ching Gong
Kon-Kee Liu
Contributors: 國立臺灣海洋大學:海洋環境化學與生態研究所
Keywords: Assimilation number
East China Sea
Primary production
Date: 1996
Issue Date: 2017-02-07T08:38:16Z
Publisher: Bot. Bull. Acad. Sin.
Abstract: Abstract: Phytoplankton primary production was measured in different regions in the southern East China Sea north of Taiwan in the fell of 1994. Light-manipulation experiments were also performed on-board to study the photoacclimation of phytoplankton assemblages. The sampling stations encompassed the inner and outer shelf of the southern East China Sea. Field observation showed that the in situ maximal chlorophyll-normalized photosynthetic rates(P B max) varied 3-fold among stations, ranging from 4.0 to 12.0 mgC mgChl -1 h -1. The low P B max values recorded in the nutrient-laden coastal water and the oligotrophic Kuroshio water could be ascribed to high turbidity and low nutrient availability, respectively. The highest P B max observed in the upwelling plume station probably could be ascribed to both copious nutrient supply by upwelling processes and higher light availability. Light-manipulation experiments showed that in the well-mixed coastal water, the light response curves for samples taken from different depths of the euphotic zone were very similar. In both the upwelling region and the Kuroshio water, phytoplankton assemblages living below the mixed-layer depth were shade-acclimated while those living history and nutrient availability are crucial in controlling the spatial variation of algal photosynthetic performance in the study area.
Relation: 37(1)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/40986
Appears in Collections:[海洋環境與生態研究所] 期刊論文

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