Functional feeding groups of Protist Ciliates (Protist: Ciliophora) on a neotropical flood plain

IF 0.9 4区 环境科学与生态学 Q4 LIMNOLOGY
B. R. Meira, M. Progênio, Edilaine Corrêa Leite, F. Lansac‐Tôha, Carolina Leite Guimarães Durán, S. Jati, L. C. Rodrigues, F. Lansac-Tôha, L. Velho
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引用次数: 4

Abstract

Functional diversity approaches have been an efficient tool in gaining a better understanding of how environmental conditions selected species in a given environment and how they share resources, linking ecological processes to biodiversity patterns. Although most of the protist ciliates are not highly specialized, functional feeding groups with species which ingest similar food can be identified. Thus, this study aimed to compare the abundance of different Functional Feeding Groups (FFG) of ciliates in environments with different hydrodynamic conditions (lotic and lentic) in different hydrological periods (high and low water) in a neotropical flood plain. The samples for analysis of the community of ciliates were taken in March and September of 2010 and 2011, at the subsurface of 12 different hydrodynamic environments. The results of an RDA showed a spatial and temporal segregation of the sampling units, based on the abundance and occurrence of the FFG. In addition, a clear influence of food resources on the structuring of functional ciliate guilds was evidenced. Thus, there were both temporal (hydrological periods) and spatial (different hydrodynamic environments) differences in the distribution of the FFG, with a clear separation of the FFGs between the years studied. In summary, the results of the categorization of species of ciliates in FFG responded satisfactorily suggesting fluctuations in different food resources, which reinforces the idea that the grouping of species by functional characteristics can be a good indicator of the responses of organisms to environmental fluctuations.
新热带洪泛平原原生纤毛虫(原生:纤毛虫目)的功能摄食群
功能多样性方法是更好地了解环境条件如何选择特定环境中的物种以及它们如何共享资源,将生态过程与生物多样性模式联系起来的有效工具。虽然大多数原生纤毛虫不是高度特化的,但可以识别出食用相似食物的物种的功能摄食群。因此,本研究旨在比较新热带洪泛平原不同水文时期(高水位和低水位)不同水动力条件(水动力和水动力)环境下纤毛虫不同功能摄食群(FFG)的丰度。2010年3月和2011年9月分别在12个不同水动力环境的地下采集了纤毛虫群落分析样本。RDA结果显示,根据FFG的丰度和发生情况,采样单位在时空上存在分离。此外,食物资源对功能性纤毛虫行会的结构有明显的影响。因此,FFG的分布既有时间(水文期)的差异,也有空间(不同水动力环境)的差异,研究年份之间FFG有明显的分离。综上所述,FFG中纤毛虫的种类分类结果令人满意,表明不同食物资源的波动,这加强了按功能特征对物种进行分组可以很好地反映生物对环境波动的反应的观点。
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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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