Department of Zoology, Eastern University, Vantharumoolai, Chenkaladi, Sri Lanka.
Department of Zoology, Eastern University, Vantharumoolai, Chenkaladi, Sri Lanka.
J Environ Sci (China). 2016 Sep;47:211-218. doi: 10.1016/j.jes.2016.01.020. Epub 2016 Mar 19.
The necessity to understand the relationship between cyanobacterial species abundance and water quality variations in coastal lagoons is crucial to develop strategies to prevent further cyanobacterial proliferation. This paper evaluates the relationship between water quality variations on the distribution of cyanobacteria during a 12-month period in Batticaloa Lagoon (Sri Lanka) using Redundancy analysis and Pearson correlations. Drastic variations in pH, temperature, salinity, dissolved oxygen (DO) and total phosphorus (TP) levels were reported, but not turbidity and NO3(-). This brackish waterbody is hypereutrophic (TP levels>0.1mg/L). The cyanobacterial community contained 13 genera and 22 species. NO3(-), TP and turbidity levels positively influenced cyanobacterial abundance during all seasons indicating that nutrient (largely phosphorus) and sediment entry control is highly crucial along with periodic monitoring of cyanobacterial growth.
了解沿海泻湖中蓝藻物种丰度与水质变化之间的关系至关重要，这有助于制定策略来防止蓝藻进一步过度繁殖。本文使用冗余分析和皮尔逊相关性，评估了斯里兰卡巴提卡洛亚泻湖（Batticaloa Lagoon）在 12 个月期间水质变化对蓝藻分布的关系。报告了 pH 值、温度、盐度、溶解氧（DO）和总磷（TP）水平的剧烈变化，但浊度和硝酸盐（NO3(-)）没有变化。这个半咸水水体处于富营养化状态（TP 水平>0.1mg/L）。蓝藻群落包含 13 属和 22 种。NO3(-)、TP 和浊度水平在所有季节都对蓝藻丰度有积极影响，表明营养物质（主要是磷）和沉积物的输入控制以及周期性监测蓝藻生长非常重要。
