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大型过水性湖泊——洪泽湖浮游植物群落结构及其水质生物评价
引用本文:吴天浩,刘劲松,邓建明,戴小琳,唐荣桂,彭凯,邹伟,蔡永久,龚志军.大型过水性湖泊——洪泽湖浮游植物群落结构及其水质生物评价[J].湖泊科学,2019,31(2):440-448.
作者姓名:吴天浩  刘劲松  邓建明  戴小琳  唐荣桂  彭凯  邹伟  蔡永久  龚志军
作者单位:中国科学院南京地理与湖泊研究所湖泊与环境国家重点实验室,南京 210008;中国科学院大学,北京 100049;江苏省水利厅,南京,210029;中国科学院南京地理与湖泊研究所湖泊与环境国家重点实验室,南京,210008;江苏省洪泽湖水利工程管理处,淮安,223199
基金项目:国家自然科学基金项目(41671110,31270505)和江苏省水利科技项目(2018039)联合资助.
摘    要:大型过水性湖泊——洪泽湖是南水北调东线工程重要的调蓄湖泊,在气候调节、防洪抗旱、旅游休闲、水资源和水产品供应等方面都有着重要的作用.为了解其浮游植物群落结构和水体健康状态,于2015年8月-2016年7月,对洪泽湖浮游植物进行了逐月野外采样.共鉴定浮游植物147种,隶属于8门,其中绿藻门、硅藻门、蓝藻门物种最多.浮游植物细胞丰度全湖年平均值为5.35×107±4.67×107 cells/L,生物量平均值为14.24±8.52 mg/L.洪泽湖浮游植物分布存在明显的时空差异,空间格局上,北部成子湖区浮游植物细胞丰度最高,绿藻门为优势门类;西部溧河洼湖区丰度次高,蓝藻门为优势门类;湖心区及南部丰度较低,大部分点位蓝藻门或绿藻门为优势门类.季节动态上,夏季浮游植物细胞丰度高,蓝藻门是主要的优势门类;冬季细胞丰度较低,硅藻门是主要的优势门类.与1980s的调查相比,近年来浮游植物种(属)数有所下降,丰富度、均匀度等也低于早期调查结果.利用浮游植物进行水质生物评价的结果显示,洪泽湖总体上处于β-中污带,与周边水体相比,洪泽湖富营养化水平低于骆马湖,但高于淮河、高邮湖.

关 键 词:洪泽湖  浮游植物  群落结构  水质生物评价
收稿时间:2018/5/8 0:00:00
修稿时间:2018/7/3 0:00:00

Community structure of phytoplankton and bioassessment of water quality in a large water-carrying lake, Lake Hongze
WU Tianhao,LIU Jingsong,DENG Jianming,DAI Xiaolin,TANG Ronggui,PENG Kai,ZOU Wei,CAI Yongjiu and GONG Zhijun.Community structure of phytoplankton and bioassessment of water quality in a large water-carrying lake, Lake Hongze[J].Journal of Lake Science,2019,31(2):440-448.
Authors:WU Tianhao  LIU Jingsong  DENG Jianming  DAI Xiaolin  TANG Ronggui  PENG Kai  ZOU Wei  CAI Yongjiu and GONG Zhijun
Institution:State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, P. R. China;University of Chinese Academy of Sciences, Beijing 100049, P. R. China,Jiangsu Water Conservancy Bureau, Nanjing 210029, P. R. China,State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, P. R. China,Jiangsu Water Conservancy Bureau, Nanjing 210029, P. R. China,Administrative Agency for Water Conservancy Projects of Lake Hongze, Huai''an 223199, P. R. China,State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, P. R. China;University of Chinese Academy of Sciences, Beijing 100049, P. R. China,State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, P. R. China;University of Chinese Academy of Sciences, Beijing 100049, P. R. China,State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, P. R. China and State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, P. R. China
Abstract:
Keywords:Lake Hongze  phytoplankton  community structure  bioassessment of water quality
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