Please use this identifier to cite or link to this item: http://rportal.lib.ntnu.edu.tw:80/handle/77345300/42845
Title: A unique seasonal pattern in phytoplankton biomass in low-latitude waters in the South China Sea
Authors: 國立臺灣師範大學海洋環境科技研究所
Tseng, C.-M.
G. T. F. Wong
I-I Lin
C.-R. Wu
K.-K. Liu
Issue Date: 1-Apr-2005
Abstract: A distinctive seasonal pattern in phytoplankton biomass was observed at the South East Asian Time-series Study (SEATS) station (18°N, 116°E) in the northern South China Sea (SCS). Surface chlorophyll-a, depth-integrated chlorophyll-a and primary production were elevated to 0.3 mg/m3, ∼35 mg/m2 and 300 mg-C/m2/d, respectively, in the winter but stayed low, at ≤0.1 mg/m3, ∼15 mg/m2 and 110 mg-C/m2/d as commonly found in other low latitude waters, in the rest of the year. Concomitantly, soluble reactive phosphate and nitrate+nitrite in the mixed layer also became readily detectable in the winter. The elevation of phytoplankton biomass coincided approximately with the lowest sea surface temperature and the highest wind speed in the year. Only the combined effect of convective overturn by surface cooling and wind-induced mixing could have enhanced vertical mixing sufficiently to make the nutrients in the upper nutricline available for photosynthetic activities and accounted for the higher biomass in the winter.
URI: http://rportal.lib.ntnu.edu.tw/handle/77345300/42845
Other Identifiers: ntnulib_tp_C1001_01_002
Appears in Collections:教師著作

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