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KMID : 1024519930020010021
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Journal of the Environmental Sciences
1993 Volume.2 No. 1 p.21 ~ p.28
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Integrated Phytoplankton Data of the west Pacific Sector of the Southern Ocean:140-148 E transect
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Lee Hak-Young
Cho In-Sook
Greene Richard M.
Kim Jong-Won
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Abstract
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A total of 94 taxa were identified from the Southern Ocean, 140-148 。E and 40-53。S, as an early austral summer phytoplankton. They were 53 diatoms, 37 dinoflagellates, 2 silicoflagellates, 1 prymnesiophyte, and 1 coccolithophorid. Integrated cell numbers of nanoplankton dominated microphytoplankton from 8 stations, especially from Subantarctic zone, but integrated biomass was lower than microphytoplankton. Integrated cell numbers of diatoms dominated dinoflagellates, coccolithophorids, and pnrnnesiophyte, but integrated biomass of microphytoplankton were dependent to the biomass of dinoflagellates except north of the Subtropical convergence zone and south of the Antractic convergence sone. Phytoplankton community changed across the fronts and 3 different communities were observed. Fronts seem to influence on the phytoplankton community from the west Pacific Sector of the Southern Ocean.
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KEYWORD
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Southern Ocean, fronts, phytoplankton, integrated cell number, biomass
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