Water quality and growth of phytoplankton for the Yellow River estuary reservoirs—The phytoplankton growth potential in reservoirs
Yukihiko Takahashi1,2, DU Mao-an2, LI Guan-yuan2, WANG Yun-bo3, ZHANG Jie2, Yasuaki Matsumoto1
1.Original Engineering Consultants Co.,LTD,Tokyo 162-0814,Japan;2.School of Municipal and Environmental Engineering,Harbin Institute of Technology,Harbin 150090,China;3.Shenyang Urban Construction Project Office,Shenyang 110013,China
Abstract:
In this test,we used phytoplankton assay procedure to carry out determinations of phytoplankton growth potential and limiting nutrients in Gengjing reservoir.The test results revealed that,in Gengying reservoir waters,the phytoplankton growth potential of the autoclaved-filtrates and the filtrates are from 0.2 to 2.1 mg/L and from 0 to 1.0 mg/L,and in waterway waters,those of the autoclaved-filtrates and the filtrates are from 0 to 3.3 mg/L and from 0 to 2.2 mg/L.The phytoplankton growth potential of the autoclaved filtrates is approximately two times higher than those of the filtrates.When phosphorus is adjusted beyond 0.5 mg/L,the growth of the phytoplankton is especially very high.Moreover,the limiting concentration of the phosphorus for the growth of phytoplankton is in the range of 0.025 to 0.05 mg/L;the phytoplankton growth potential of the grit chamber sediment samples is higher than those of the waterway sediment.
Key words: nitrogen and phosphorus eutrophication reservoir phytoplankton growth potential
DOI：10.11916/j.issn.1005-9113.2011.01.008
Clc Number:X173
Fund:
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Water quality and growth of phytoplankton for the Yellow River estuary reservoirs—The phytoplankton
本站小编 哈尔滨工业大学/2019-10-23
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