气候变暖对地中海浮游植物群落的影响

IF 2.3 3区环境科学与生态学 Q2 ECOLOGY

Web Ecology Pub Date : 2016-04-22 DOI:10.5194/WE-16-89-2016

S. Pulina, A. Brutemark, S. Suikkanen, B. Padedda, Lorena M. Grubisic, C. Satta, T. Caddeo, Pasqualina Farina, N. Sechi, A. Lugliè

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引用次数: 16

摘要

摘要预测生物的反应是一项复杂的挑战，特别是在未来几十年水温预计会因全球变暖而升高的情况下。本文研究了气候变暖对浮游植物群落的影响。在室内进行的实验中，来自地中海泻湖的水在不同的温度下孵育。在3个孵育单元中采用3种处理:对照(11 °C)、增加3 °C(14 °C)和增加6 °C(17 °C)。我们的研究结果表明，变暖对浮游植物有显著的影响。在17 °C时，相对较小的分类群(小球藻和agardhii-rubescens浮游thrix组)的丰度增加，而相对较大的分类群(Cyclotella sp.和Thalassiosira sp.)的丰度减少。这种向较小分类群的转变导致在最高温度下总生物量增加，但叶绿素a浓度降低。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Effects of warming on a Mediterranean phytoplankton community

Abstract. Predicting the responses of organisms is a complex challenge especially when water temperature is expected to increase over the coming decades, as a result of global warming. In this work the effects of warming on phytoplankton communities were investigated. An indoor experiment was performed, where water from a Mediterranean lagoon was incubated at different temperatures. Three treatments were applied in triplicate incubation units: the control (11 °C), 3 °C increase (14 °C), and 6 °C increase (17 °C). Our results showed significant effects by warming on phytoplankton. The abundance of relatively smaller taxa (Chlorella sp. and Planktothrix agardhii–rubescens group) increased at 17 °C, whereas the abundance of relatively larger species (Cyclotella sp. and Thalassiosira sp.) decreased, compared with the control. This shift towards smaller taxa resulted in a higher total biomass but lower chlorophyll a concentrations at the highest temperature.

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来源期刊

Web Ecology Agricultural and Biological Sciences-Ecology, Evolution, Behavior and Systematics

CiteScore

4.60

自引率

0.00%

发文量

审稿时长

17 weeks

期刊介绍： Web Ecology (WE) is an open-access journal issued by the European Ecological Federation (EEF) representing the ecological societies within Europe and associated members. Its special value is to serve as a publication forum for national ecological societies that do not maintain their own society journal. Web Ecology publishes papers from all fields of ecology without any geographic restriction. It is a forum to communicate results of experimental, theoretical, and descriptive studies of general interest to an international audience. Original contributions, short communications, and reviews on ecological research on all kinds of organisms and ecosystems are welcome as well as papers that express emerging ideas and concepts with a sound scientific background.