饮用水库浮游植物功能群对环境因子的生存策略

IF 0.9 4区 环境科学与生态学 Q4 LIMNOLOGY Annales De Limnologie-international Journal of Limnology Pub Date : 2021-01-01 DOI:10.1051/limn/2021016
Guojia Huang, Xiaoqing Wang, Yushun Chen, Longhui Deng, Dajian Xu
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引用次数: 1

摘要

本研究将浮游植物功能群的生存策略应用于饮用水水库的环境因子。饮用水水库中浮游植物的生存策略分析很少。本文于2016年4月至2017年2月对长沙竹树桥水库浮游植物群落动态及生存策略进行了研究。在春季,适应低水温、低光照和低营养的crs策略物种占主导地位。分层前观察到c策略机会主义殖民者的小个体。随着夏季养分和水温的升高,体型稍大、耐扰动的r策略物种和适应分层的cs策略物种占主导地位。在冬季,一些物种适应低水温,这是r策略。影响浮游植物季节演替的关键因子是水温、总磷和溶解无机氮。采用c策略时,应关注藻华物种的潜在威胁,并对系统及其周边流域进行更长期的监测。
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Survival strategies of phytoplankton functional groups to environmental factors in a drinking water reservoir, central China
In this study, use survival strategies of phytoplankton functional groups to environmental factors in a drinking water reservoir. Survival strategies of phytoplankton in drinking water reservoirs were rarely analysed. Dynamics and survival strategies of phytoplankton community in Zhushuqiao Reservoir (Changsha, China) were studied bimonthly from April 2016 to February 2017 to fill this gap. In spring, species of CRS-strategy that adapted to low water temperature, light, and nutrient dominated. There were small individuals of opportunistic colonists of C-strategy observed before stratification. With the increase of nutrient and water temperature in summer, slightly bigger, disturbance-tolerant species of R-strategy and species of CS-strategy that adapted to stratification dominated. In winter, some species adapted to low water temperature, which were R-strategists. Key factors driven seasonal phytoplankton succession were water temperature, total phosphorus, and dissolved inorganic nitrogen. Attention should be paid to potential threats from algal bloom species with C-strategy, and future longer-term monitoring of the system and its surrounding watersheds is greatly needed.
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来源期刊
CiteScore
2.20
自引率
0.00%
发文量
0
审稿时长
>12 weeks
期刊介绍: Annales de Limnologie - International Journal of Limnology publishes papers on the ecology of freshwater systems, ranging from studies of aquatic organisms, physical and chemical works which relate to the biological environment, to ecological applications and frameworks for water management directives. Main topics: Ecology of freshwater systems ; biodiversity, taxonomy, distribution patterns in space and time, biology of animals and plants ; experimental and conceptual studies which integrate laboratory and/or field work on physiology, population dynamics, biogeochemistry and nutrient dynamics, management, mathematical modelling ; techniques for sampling and chemical analyses, ecological applications, procedures which provide frameworks for environmental legislation.
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