富营养化过程中与能量流变化相关的能量不对称:亚热带浅湖多种鱼类的研究

IF 0.4 4区 环境科学与生态学 Q4 ECOLOGY
Hong Fu, Huan Zhang, Liang He, Yongcui Sha, K. Zhao, Yuhan He, Jun Xu
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引用次数: 0

摘要

摘要能量流是所有生态系统的核心特征,由于其对食物网稳定性的重要影响,它引起了科学界的广泛关注。湖泊生态系统经历了一系列的营养结构转变(清水相、浮游植物为主变浑水、大型植物为主或反之亦然)。尽管以前的研究主要集中在浅水湖泊的政体变化的原因和后果上,但关于能量流变化对政体变化的响应的研究还远未完成。在本文中,我们估计了来自七个浅水湖的十七种鱼类的营养位置和底栖性(即底栖性程度)。我们的数据表明,鱼类在清水阶段的营养位置和底栖生物显著高于在浑水阶段。这一发现可能有助于为亚热带湖泊富营养化治理提供一些思路。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Energetic Asymmetry Connected with Energy Flow Changes in Response to Eutrophication: A Study of Multiple Fish Species in Subtropical Shallow Lakes
ABSTRACT Energy flow is a central characteristic in all ecosystems, and it has attracted considerable scientific attention due to its significant effects on the stability of food webs. Lake ecosystems that undergo regime shifts (clear water phase, phytoplankton dominated changed into turbid water, macrophytes dominated or vice versa) are characterized by a series of transformation in trophic structure. Although previous studies have mainly focused on the causes and consequences of regime shifts in shallow lakes, studies about responses of energy flow changes to regime shifts is far from complete. In this paper, we estimated trophic position and benthivory (i.e. degree of benthivory) of seventeen fish species from seven shallow lakes. Our data show that the trophic position and benthivory of fish species in clear water phase are significantly higher than in turbid water. This finding might help spark some ideas for subtropical lake eutrophication treatment.
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来源期刊
Polish Journal of Ecology
Polish Journal of Ecology 环境科学-生态学
CiteScore
1.10
自引率
0.00%
发文量
9
审稿时长
18-36 weeks
期刊介绍: POLISH JOURNAL OF ECOLOGY (formerly Ekologia polska) publishes original scientific research papers dealing with all aspects of ecology: both fundamental and applied, physiological ecology, evolutionary ecology, ecology of population, community, ecosystem, landscape as well as global ecology. There is no bias regarding taxons, ecosystems or geographical regions.
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