[Distribution features of chlorophyll a and primary productivity in high frequency area of red tide in East China Sea during spring]

[Distribution features of chlorophyll a and primary productivity in high frequency area of red tide in East China Sea during spring] Research Abstract Details 

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[Distribution features of chlorophyll a and primary productivity in high frequency area of red tide in East China Sea during spring] Abstract Text:

Weihua Zhou,Wenyi Huo,Xiangcheng Yuan,Kedong Yin,

The distributions of chlorophyll a and primary productivity were determined during April to May 2002 in the East China Sea. The results showed that the average concentration of chlorophyll a was 1.086 mg.m-3 at surface layer, and that nano- and pico-phytoplankton (< 20 microns) dominated the phytoplankton biomass in this sea region during Spring (up to 64% of total chlorophyll a content). Ultra-phytoplankton (< 5 microns) consisted 27% of total phytoplankton biomass. Nutrients and feeding pressure of zooplankton affected the distribution of chlorophyll a and its size-fractionation. The average primary productivity was 10.091 mg.m-3.h-1, while that of red tide tracking stations R-03, RL-01 and RG-01 was 399.984 mg.m-3.h-1. Light and nutrients were the main factors affecting the distributions of chlorophyll a and primary productivity. The station DC-11 had a high concentration of phytoplankton biomass. The surface layer concentration of chlorophyll a and primary productivity were up to 9,082 mg.m-3 and 128,79 mg.m-3.h-1, respectively, but the color of the seawater was normal.

[Distribution features of chlorophyll a and primary productivity in high frequency area of red tide in East China Sea during spring] Publishing Authors By Initials

W Zhou,W Huo,X Yuan,K Yin,

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[Distribution features of chlorophyll a and primary productivity in high frequency area of red tide in East China Sea during spring] Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Ying yong sheng tai xue bao = The journal of appli

VOLUME: 14

Page Numbers: 1055-9

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ISSN: 1001-9332

DAY: 31

MONTH: Jul

YEAR: 2003

[Distribution features of chlorophyll a and primary productivity in high frequency area of red tide in East China Sea during spring] Information

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LANGUAGE: chi

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AFFILIATION: Key Laboratory of Tropical Marine Environmental Dynamics, South China Sea Institute of Oceanonology, Chinese Academy of Sciences, Guangzhou 510301, China. whzhou@scsio.ac.cn

Country: China

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MEDLINETA: Ying Yong Sheng Tai Xue Bao

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