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Volume 34 Issue 1
Jan.  2015
Article Contents

Citation:

Seasonal changes of phytoplankton in Luan Estuary-Dapu Estuary in spring and summer

  • Received Date: 2013-12-23
    Accepted Date: 2014-02-21
  • On the basis of phytoplankton and environmental ecological investigation in Luan Estuary-Dapu Estuary in spring and summer. There are 3 phylum 15 families 44 species of phytoplankton were identified, diatoms was the most and accounted for 85%.Species number in summer was significantly higher than that in spring. The obvious seasonal succession was found based on the Jaccard with 0.14.There were 3 dominant species in total, Noctiluca scientillans、Rhizosolenia alata was the dominant species in spring, Skeletonema costatum was that in summer. Because of dominant species was simply and dominance was high,the community structure was instability. The number of phytoplankton ranged from 1.14104/m3 to 827.73104/m3 with the descending order from offshore areas to pelagic sea and The rangeability was summer greater than spring. The average number of the summer was 7 times than spring. The Shannon-Wiener's index H', Margalef's richness index dMa and Pielou's evenness index J all reflect that Summer habitat conditions better than the spring, Luan Estuary better than Dapu Estuary. No significant relationship between phytoplankton and single environmental factor in spring .temperature was the major limit factor for the number of species and cells number in summer and salinity was major acted on species number,little correlation with cells number,what's more,DIP was the main limit factor for cells number but little correlation with species number.
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  • [1] 宋红丽,刘兴土.围填海活动对我国河口三角洲湿地的影响[J].湿地科学,2013,11(2):297-304.[2]谭 香,夏小玲,程晓莉,等.丹江口水库浮游植物群落时空动态及其多样性指数[J].环境科学,2011,32(10):2875-2882.[3]河北省海岸带资源编辑委员会.河北省海岸带资源(下卷)[M].石家庄:河北科学技术出版社,1988:50-51.[4]冯志权,郭 皓,马明辉.滦河口近岸海域浮游植物群落结构[J].海洋环境科学,2005,24(1):41-43.[5] GB 12763.6-1991,海洋调查规范第6部分-海洋生物调查[S].[6]覃 林.统计生态学[M].北京:中国林业出版社,2009:228-230.[7]赵淑江,吕宝强,王 萍.海洋环境学[M].北京:海洋出版社,2011:133-137.[8]蒋金杰,刘东艳,邸宝平,等.烟台四十里湾浮游植物群落的季节变化及其对环境的指示意义[J].海洋学报,2011,33(6):151-164.[9]王 珊,于 明,刘全儒,等.东江干流浮游植物的物种组成及多样性分析[J].资源科学,2013,35(3):473-480.[10]刘 佳,苏 艺,韩晓庆,等.河北昌黎生态监控区海洋浮游植物多样性变化趋势研究[J].海洋通报,2012,31(6):648-653.[11] HJ 442-2008,近岸海域环境监测规范第9部分-环境质量例行监测[S].[12]GRAHAM P HARRIS,Phytoplankton Ecology: Structure,Function and Fluctuation[J].Journal of the Marine Biological Association of the United Kingdom,1987,67(1):235-241.[13]夏 平,张志道,戴鑫烽,等.2009年4月浙江近岸海域浮游植物的分布特征及与环境因子的关系[J].海洋学研究,2011,29(3):125-135.[14]郑向荣,孙桂清,杨金晓,等.昌黎县扇贝养殖区营养盐调查及水质评价[J].河北渔业,2008,170(2):43-45.[15]张晓举,温若冰,于海洋,等.黄骅海域浮游植物群落结构的季节变化[J].海洋科学进展,2013,31(2):221-228.[16]周 然,彭士涛,覃雪波,等.渤海湾浮游植物与环境因子关系的多元分析[J].环境科学,2013,34(3):864-873.
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Seasonal changes of phytoplankton in Luan Estuary-Dapu Estuary in spring and summer

  • 1. Key Laboratory of Hebei Province for Environmental Change and Ecological Construction, College of Resource and Environmental Sciences, Hebei Normal University, Shijiazhuang 050024, China;
  • 2. Land and Resource Using and Planning Institute of Hebei Province, Shijiazhuang 050056, China

Abstract: On the basis of phytoplankton and environmental ecological investigation in Luan Estuary-Dapu Estuary in spring and summer. There are 3 phylum 15 families 44 species of phytoplankton were identified, diatoms was the most and accounted for 85%.Species number in summer was significantly higher than that in spring. The obvious seasonal succession was found based on the Jaccard with 0.14.There were 3 dominant species in total, Noctiluca scientillans、Rhizosolenia alata was the dominant species in spring, Skeletonema costatum was that in summer. Because of dominant species was simply and dominance was high,the community structure was instability. The number of phytoplankton ranged from 1.14104/m3 to 827.73104/m3 with the descending order from offshore areas to pelagic sea and The rangeability was summer greater than spring. The average number of the summer was 7 times than spring. The Shannon-Wiener's index H', Margalef's richness index dMa and Pielou's evenness index J all reflect that Summer habitat conditions better than the spring, Luan Estuary better than Dapu Estuary. No significant relationship between phytoplankton and single environmental factor in spring .temperature was the major limit factor for the number of species and cells number in summer and salinity was major acted on species number,little correlation with cells number,what's more,DIP was the main limit factor for cells number but little correlation with species number.

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