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朱华清, 吕锡武. 刚毛藻表流湿地裸藻水华的形成与消退[J]. 环境化学, 2018, 37(12): 2638-2644. doi: 10.7524/j.issn.0254-6108.2018050701
引用本文: 朱华清, 吕锡武. 刚毛藻表流湿地裸藻水华的形成与消退[J]. 环境化学, 2018, 37(12): 2638-2644. doi: 10.7524/j.issn.0254-6108.2018050701
shu
ZHU Huaqing, LYU Xiwu. Formation and regression of euglena bloom in surface-flow constructed wetlands(SFCW) dominated by Cladophora[J]. Environmental Chemistry, 2018, 37(12): 2638-2644. doi: 10.7524/j.issn.0254-6108.2018050701
Citation: ZHU Huaqing, LYU Xiwu. Formation and regression of euglena bloom in surface-flow constructed wetlands(SFCW) dominated by Cladophora[J]. Environmental Chemistry, 2018, 37(12): 2638-2644. doi: 10.7524/j.issn.0254-6108.2018050701
shu

刚毛藻表流湿地裸藻水华的形成与消退

  • 1.

    东南大学能源与环境学院, 南京, 210096;

  • 2.

    景德镇陶瓷大学材料科学与工程学院, 景德镇, 333403;

  • 3.

    无锡太湖水环境研究中心, 无锡, 214135

  • 基金项目:

    国家"十三五"科技重大专项（2017ZX07202004）资助.

Formation and regression of euglena bloom in surface-flow constructed wetlands(SFCW) dominated by Cladophora

  • 1.

    School of Energy and Environment of Southeast University, Nanjing, 210096, China;

  • 2.

    School of Material Science and engineering of Jingdezhen Ceramic Insitute, Jingdezhen, 333403, China;

  • 3.

    ERC of Taihu Lake, Wuxi, 214135, China

  • Fund Project: Supported by the National Thirteenth Five-year Major Projects (2017ZX07202004).

  • 摘要: 刚毛藻表流湿地（SFCW-CLA）可以有效富集农村分散式污水中的营养物，并回收刚毛藻及其中的微生物作为鱼饲料，但控制不当易发生裸藻水华.分别于2014年和2015年进行优势刚毛藻表流湿地试验（DCT）和全周期刚毛藻表流湿地试验（LCT），研究环境因子（温度和太阳辐照）、营养物（TN、TP、TIC和TOC）消耗速率与SFCW-CLA中刚毛藻和裸藻生长速率的关系；并通过人工气候箱微型试验研究SFCW-CLA裸藻水华的消退机制.实验结果表明，刚毛藻的生长速率与TN、TP和TIC的消耗速率均有关，相关系数和拒绝概率分别为（R=0.66，P=0.11）、（R=0.74，P=O.06）和（R=0.83，P=0.02）；裸藻的生长速率与TN（R=-0.89，P=0.01）、TP（R=-0.86，P=0.01）和TIC（R=-0.91，P=0.00）的消耗速率负相关，裸藻浓度和TOC消耗速率（R=0.60，P=0.16）正相关.刚毛藻的生长与环境温度显著相关，与太阳辐照没有相关性，说明自然光照能满足刚毛藻的生长；裸藻的生长与环境温度和太阳辐照均没有相关性，但裸藻变态明显受到太阳辐照的影响，DCT和LCT中裸藻水华持续时间的差异可能与期间环境温度和太阳辐照的差异有关；SFCW-CLA中裸藻水华的消退还直接受到太阳虫和变形虫的捕食作用影响.
    Abstract: Nutrients in rural diffused wastewater can be concentrated by SFCW dominated by Cladophora (SFCW-CLA), and recycled as fish feed. However, SFCW-CLA was often deteriorated by Euglena bloom under improper manipulation. To investigate the relationship between ambient factors (temperature and solar irradiance), nutrient consuption rate (NCR) and growth rates (GR) of Cladophora and Euglena Sanguinea (E.S), Field commissions of SFCW-CLA with inoculation of dominant Cladophora and autogenetic Cladophora were carried out respectively in 2014 and 2015. Miniature cultivation of E.S films in climatic cabinet was conducted to reveal regressing mechanisms of E.S bloom in SFCW-CLA. Results indicated that GR of Cladophora related to NCR of TN, TP and TIC with coefficients and rejection probabilities as (R=0.66,P=0.11), (R=0.74,P=0.06) and (R=0.83,P=0.02) respectively. NCR of TN (R=-0.89,P=0.01), TP (R=-0.86,P=0.01) and TIC (R=-0.91,P=0.00) negatively correlated with GR of E.S, while NCR of TOC (R=0.60,P=0.16) correlated with individual density of E.S. GR of Cladophora significantly correlated with temperature while uncorrelated with solar irradiance. Temperature and solar irradiance uncorrelated with GR of E.S, but effectively influenced bloom duration and metamorphosis of E.S. Furthermore, microscopic tests provided direct evidence of predation of heliozooid and amoebae on the regression of E.S bloom.
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出版历程
  • 收稿日期:  2018-05-07
  • 刊出日期:  2018-12-15
朱华清, 吕锡武. 刚毛藻表流湿地裸藻水华的形成与消退[J]. 环境化学, 2018, 37(12): 2638-2644. doi: 10.7524/j.issn.0254-6108.2018050701
引用本文: 朱华清, 吕锡武. 刚毛藻表流湿地裸藻水华的形成与消退[J]. 环境化学, 2018, 37(12): 2638-2644. doi: 10.7524/j.issn.0254-6108.2018050701
shu
ZHU Huaqing, LYU Xiwu. Formation and regression of euglena bloom in surface-flow constructed wetlands(SFCW) dominated by Cladophora[J]. Environmental Chemistry, 2018, 37(12): 2638-2644. doi: 10.7524/j.issn.0254-6108.2018050701
Citation: ZHU Huaqing, LYU Xiwu. Formation and regression of euglena bloom in surface-flow constructed wetlands(SFCW) dominated by Cladophora[J]. Environmental Chemistry, 2018, 37(12): 2638-2644. doi: 10.7524/j.issn.0254-6108.2018050701
shu

刚毛藻表流湿地裸藻水华的形成与消退

  • 1.  东南大学能源与环境学院, 南京, 210096;
  • 2.  景德镇陶瓷大学材料科学与工程学院, 景德镇, 333403;
  • 3.  无锡太湖水环境研究中心, 无锡, 214135
  • 收稿日期:  2018-05-07
基金项目:

国家"十三五"科技重大专项（2017ZX07202004）资助.

摘要: 刚毛藻表流湿地（SFCW-CLA）可以有效富集农村分散式污水中的营养物，并回收刚毛藻及其中的微生物作为鱼饲料，但控制不当易发生裸藻水华.分别于2014年和2015年进行优势刚毛藻表流湿地试验（DCT）和全周期刚毛藻表流湿地试验（LCT），研究环境因子（温度和太阳辐照）、营养物（TN、TP、TIC和TOC）消耗速率与SFCW-CLA中刚毛藻和裸藻生长速率的关系；并通过人工气候箱微型试验研究SFCW-CLA裸藻水华的消退机制.实验结果表明，刚毛藻的生长速率与TN、TP和TIC的消耗速率均有关，相关系数和拒绝概率分别为（R=0.66，P=0.11）、（R=0.74，P=O.06）和（R=0.83，P=0.02）；裸藻的生长速率与TN（R=-0.89，P=0.01）、TP（R=-0.86，P=0.01）和TIC（R=-0.91，P=0.00）的消耗速率负相关，裸藻浓度和TOC消耗速率（R=0.60，P=0.16）正相关.刚毛藻的生长与环境温度显著相关，与太阳辐照没有相关性，说明自然光照能满足刚毛藻的生长；裸藻的生长与环境温度和太阳辐照均没有相关性，但裸藻变态明显受到太阳辐照的影响，DCT和LCT中裸藻水华持续时间的差异可能与期间环境温度和太阳辐照的差异有关；SFCW-CLA中裸藻水华的消退还直接受到太阳虫和变形虫的捕食作用影响.

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