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引用本文:李荫玺,王林,祁云宽,唐芳.抚仙湖浮游植物发展趋势分析.湖泊科学,2007,19(2):223-226. DOI:10.18307/2007.0218
LI Yinxi,WANG Lin,QI Yunkuan,TANG Fang.Studies on the phytoplankton development trend in Lake Fuxian, China. J. Lake Sci.2007,19(2):223-226. DOI:10.18307/2007.0218
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抚仙湖浮游植物发展趋势分析
李荫玺1, 王林2, 祁云宽1, 唐芳1
1.玉溪市环境科学研究所, 玉溪653100;2.玉溪师院化学与环境科学系, 玉溪653100
摘要:
对二十多年来抚仙湖表层湖水中藻类的第一手监测资料做了比较系统的分析研究,以揭示其发展趋势与成因.结果表明,抚仙湖浮游植物生物量增长了10.5倍,种群结构从45种增加到78种,主要原因是人湖TN、TP滞留率高达88.5%和93%,星云湖泄水高浓度藻量,为抚仙湖藻类增长提供了种源及营养源.
关键词:  抚仙湖  浮游植物  富营养化
DOI:10.18307/2007.0218
分类号:
基金项目:
Studies on the phytoplankton development trend in Lake Fuxian, China
LI Yinxi1, WANG Lin2, QI Yunkuan1, TANG Fang1
1.Yuxi Institute of Environmental Science Research, Yuxi 653100, P.R.China;2.Chemistry and Environmental Scietwe Department, Yuxi Normal College, Yuxi 653100, P.R.China
Abstract:
Analysis was carried out on the monitoring data of phytoplankton in the top layer of Lake Fuxian since 1980. It revealed that the phytoplankton community has been developing on both species diversity and total biomass in the past two decades. The species has increased from 45 to 78, and the biomass has increased 10. 5 times. The dominant forcing factor for the development was the accumulation of nitrogen and phosphorous in the lake, the retention radio of nitrogen and phosphorous was as high as 88.5% and 93% in the lake. The source of increased species was Lake Xingyun in the drainage basin of Gehe River, the largest inflow river of Lake Fuxian.
Key words:  Lake Fuxian  phytoplankton  eutrophication
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