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引用本文:费磊,邓建明,秦伯强,朱广伟,左胜鹏,Jouko SARVALA,Anne-Mari VENTELA,Teija KIRKKALA.夏季日最低温度升高对芬兰皮海湖浮游植物群落的影响.湖泊科学,2016,28(3):592-598. DOI:10.18307/2016.0315
FEI Lei,DENG Jianming,QIN Boqiang,ZHU Guangwei,ZUO Shengpeng,Jouko SARVALA,Anne-Mari VENTELA,Teija KIRKKALA.Phytoplankton community response to the increasing summer daily minimum temperature in Lake Pyhajarvi, Finland. J. Lake Sci.2016,28(3):592-598. DOI:10.18307/2016.0315
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夏季日最低温度升高对芬兰皮海湖浮游植物群落的影响
费磊1,2, 邓建明2, 秦伯强2, 朱广伟2, 左胜鹏1, Jouko SARVALA3, Anne-Mari VENTELA4, Teija KIRKKALA4
1.安徽师范大学环境科学与工程学院, 芜湖 241000;2.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;3.Department of Biology, University of Turku, FI-20014, Turku;4.Pyhajarvi Institute, Sepantie 7, Ruukinpuisto, Kauttua FI-27500, Finland
摘要:
为讨论日最低气温变化对浮游植物群落结构的影响,以位于芬兰的皮海湖为研究对象,选取19872013年夏季的监测数据,采用非度量多维尺度法分析浮游植物群落结构与气象要素和理化因子之间的关系.结果表明:皮海湖地区夏季增温趋势明显,尤其是日最低气温增加显著;皮海湖夏季浮游植物群落结构主要受气象要素影响,其中又以日最低气温的影响最显著.这可能是因为浮游植物的许多生理过程存在明显的昼夜节律,日最低气温升高能加强浮游植物的夜间呼吸作用和对营养物质的吸收等,从而影响浮游植物的生长和增殖速率等指标.由于不同物种对温度的适应范围不一致,因此日最低气温升高同样可能影响浮游植物的群落结构.
关键词:  日最低气温  皮海湖  非度量多维尺度分析  浮游植物群落
DOI:10.18307/2016.0315
分类号:
基金项目:中国科学院对外合作重点项目(GJHZ1214)、国家自然科学基金重点项目(41230744)、国家自然科学青年基金项目(41501215)、中国科学院南京地理与湖泊研究所"一三五"战略发展规划项目(NIGLAS2012135003)和高校省级自然科学研究重点项目(KJ2015A122)联合资助.
Phytoplankton community response to the increasing summer daily minimum temperature in Lake Pyhajarvi, Finland
FEI Lei1,2, DENG Jianming2, QIN Boqiang2, ZHU Guangwei2, ZUO Shengpeng1, Jouko SARVALA3, Anne-Mari VENTELA4, Teija KIRKKALA4
1.College of Environmental Science and Engineering, Anhui Normal University, Wuhu 241000, P. R. China;2.State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, P. R. China;3.Department of Biology, University of Turku, Turku FI-20014, Finland;4.Pyhajarvi Institute, Sepantie 7, Ruukinpuisto, Kauttua FI-27500, Finland
Abstract:
To discuss the impact of the daily minimum temperature on phytoplankton community structure, the long-term relations of phytoplankton community structure with both meteorological elements and physicochemical factors in Lake Pyhäjärvi have been studied by using non-metric multidimensional scaling method to analyze the detected data in summers during 1987-2013. Results from the fitted data suggested that warming trend in Lake Pyhäjärvi is significant in summer, especially the trend of daily minimum temperature. In summer, phytoplankton community structure is mainly influenced by meteorological elements, among which daily minimum temperature is the most significant. This may because many physiological processes of phytoplankton have significant circadian rhythm. The increase of daily minimum temperature can enhance the nighttime respiration and absorption of nutrients, so as to influence the growth and proliferation rates. Adaption of temperature ranges for different species is inconsistent, so the increase of daily minimum temperature is also likely to influence the community structure of phytoplankton.
Key words:  Daily minimum temperature  Lake Pyhajarvi  non-metric multidimensional scaling  phytoplankton community
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