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引用本文:吴召仕,王卷乐,夏颖,陈宇炜.水网藻(Hydrodictyon reticulatum)水华在鄱阳湖的纪录.湖泊科学,2014,26(3):481-484. DOI:10.18307/2014.0320
WU Zhaoshi,WANG Juanle,XIA Ying,CHEN Yuwei.A record of bloom in Lake Poyang:Hydrodictyon reticulatum. J. Lake Sci.2014,26(3):481-484. DOI:10.18307/2014.0320
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水网藻(Hydrodictyon reticulatum)水华在鄱阳湖的纪录
吴召仕1,2, 王卷乐3, 夏颖1, 陈宇炜1
1.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;2.中国科学院大学, 北京 100049;3.中国科学院地理科学与资源研究所, 北京 100101
摘要:
水网藻水华在国外出现较多,在国内鲜有报道.2013年5月对鄱阳湖进行采样时首次发现水网藻水华;结合现场观测及遥感影像确定其分布范围为老爷庙至落星墩水域,分布面积约为26 hm2,推测水网藻可能是由上游稻田等静止水体迁移至鄱阳湖,在相对静水区进行聚集生长,加上合适的理化条件(温度及营养盐),从而形成水华.在此基础上,本文进一步分析了水网藻水华对鄱阳湖水生态环境可能产生的影响.
关键词:  水网藻  藻类水华  鄱阳湖
DOI:10.18307/2014.0320
分类号:
基金项目:国家重点基础研究发展计划项目(2012CB417005);江西省科技重大专项项目(20114ABG01100)联合资助
A record of bloom in Lake Poyang:Hydrodictyon reticulatum
WU Zhaoshi1,2, WANG Juanle3, XIA Ying1, CHEN Yuwei1
1.State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, P. R. China;2.University of Chinese Academy of Sciences, Beijing 100049, P. R. China;3.Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, P. R. China
Abstract:
Hydrodictyon reticulatum blooms, which were common in the overseas, were rare in China. This study reported, first time in China, the Hydrodictyon reticulatum bloom in Lake Poyang. It spread over the area between the Laoye Temple and Luoxingdun in Xingzi County, and covered an area of about 26 ha, based on remote sensing image. It was hypothesized that Hydrodictyon reticulatum was migrated from paddy and other lentic waters, grew quickly under relatively favorable conditions. In addition, with enough nutrients, Hydrodictyon reticulatum bloom could happen again in Lake Poyang. This study preliminarily illustrated the bloom's potential ecological impacts on Lake Poyang.
Key words:  Hydrodictyon reticulatum  algal bloom  Lake Poyang
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