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Ecological meta-analysis of bloom-forming planktonic Cyanobacteria in Argentina

机译：阿根廷盛开形成浮游生素的生态荟萃分析

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摘要

The aim of the present research was to summarize the main reasons that explain the distribution of harmful blooms of cyanobacteria in Argentina. It is a large territory with climates ranging from humid tropical to cold temperate, We performed a meta-analysis of the published data and information in technical reports published from 1945 to 2015, and included additional data from personal non-published studies. A total of 122 water bodies affected by planktonic cyanobacterial blooms were recorded and geo-referenced. The analysis showed that blooms, defined as events exceeding 5000 cells/mL, occurred in different types of water bodies, including shallow lakes, rivers, streams, reservoirs, estuaries and storage facilities, Maximum bloom abundance and species and ecological strategies (dispersive, scum-forming, nitrogen fixer) responsible for each event were related to the geographic and climatologic characteristics and type and origin of water bodies. The Puna and the Andean Patagonia eco-regions were mostly free of blooms. The most impaired aquatic systems were shallow lakes and reservoirs (46.7 and 24.6%, respectively). Deep lakes had no reports of blooms and rivers were mainly affected at the regulated reaches, with intensities generally decreasing downstream the dams. Besides, 74.3% of the blooms reported in Argentina exceeded WHO Alert Level 2 for drinking and bathing waters (100,000 cells/mL). Thirty-nine species, identified by Komarek's polyphasic approach to taxonomy, were responsible for the blooms. Microcystis aeruginosa, Dolichospermum spiroides, Dolichospermum circinale, Raphidiopsis mediternmea and Cylindrospermopsis raciborskii were frequently found participating in either mixed or single species blooms. The species distribution was associated with the eco-region and aquatic system typologies and affected by seasonality and climatological and geographic variables. The eco-strategies of cyanobacterial species showed stronger associations with the qualitative and quantitative indicators used in the meta-analysis, and appeared as useful tools for management measures.
机译：目前研究的目的是总结解释阿根廷青霉菌有害绽放的主要原因。这是一个大型领域，带来气候从热带热带到寒气，我们在1945年至2015年发布的技术报告中对公布的数据和信息进行了荟萃分析，并包括来自个人非发布研究的其他数据。记录和地理学中，共有122种受氏菌植物绽放的水体。分析显示盛开，定义为超过5000个细胞/ ml的事件，发生在不同类型的水体中，包括浅湖泊，河流，溪流，水库，河口和储存设施，最大盛开丰富和物种和生态策略（Dispersive，Scum对每个事件负责的氮固定剂与水体的地理和气候特性和类型和起源有关。普及和安第斯巴塔哥尼亚生态地区主要是没有盛开的。水的水生系统是浅水湖泊和水库（分别为46.7和24.6％）。深湖没有盛开的报道，河流主要受到监管的影响，强度一般下游下游下游。此外，阿根廷报告的74.3％的盛开超过了世卫组织警报2级饮用水平2饮酒和沐浴水（100,000个细胞/ ml）。由Komarek的分类方法确定的三十九种物种负责盛开。微囊型铜绿素，Dolichospermum spiroides，Dolichospermum Qualinale，Raphidiopsis Mediternimea和Cylindrospermopsis raciborskii经常参与混合或单一物种绽放。物种分布与生态区和水生系统类型有关，受季节性和气候和地理变量影响。蓝藻物种的生态策略显示出更强的关联与META分析中使用的定性和定量指标，并出现为管理措施的有用工具。

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  • 来源
    《Harmful Algae》 |2019年第3期|1-13|共13页
  • 作者

    OFarrell Ines; Motta Carolina; Forastier Marina; Polla Wanda; Otano Silvia; Meichtry Norma; Devercelli Melina; Lombardo Ruben;

  • 作者单位

    Univ Buenos Aires Fac Ciencias Exactas & Nat Dept Ecol Genet & Evoluc Inst IEGEBA CONICET C1428EHA Buenos Aires DF Argentina;

    Univ Buenos Aires Fac Ciencias Exactas & Nat Dept Ecol Genet & Evoluc Inst IEGEBA CONICET C1428EHA Buenos Aires DF Argentina;

    Univ Nacl Nordeste CONICET Corrientes Argentina;

    Univ Nacl Litoral CONICET INALI Santa Fe Argentina|Univ Nacl Litoral Fac Humanidades & Ciencias Santa Fe Argentina;

    Aguas Corrientes SA Corrientes Argentina;

    Univ Nacl Misiones CONICET IBS Misiones Argentina;

    Univ Nacl Litoral CONICET INALI Santa Fe Argentina;

    Univ Buenos Aires Fac Ciencias Exactas & Nat Dept Ecol Genet & Evoluc Inst IEGEBA CONICET C1428EHA Buenos Aires DF Argentina;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Argentina; Cyanobacterial blooms; Eco-strategies; Freshwater; Geographic distribution;

    机译：阿根廷;蓝藻绽放;生态策略;淡水;地理分布;

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