The Impacts of Crustacean Zooplankton on a Natural Ciliate Community: a Short-term Incubation Experiment

文献类型： 外文期刊

第一作者： Li, Jing

作者： Li, Jing;Yang, Kun;Lu, Wenxuan;Fang, Ting;Zhao, Xiuxia;Li, Haiyang;Cui, Kai;Chen, Feizhou

作者机构：

关键词： ciliates; small-bodied cladocerans; pseudodiaptomid copepods; suppression impacts; functional groups

期刊名称：ACTA PROTOZOOLOGICA （ 影响因子：0.892； 五年影响因子：0.932 ）

ISSN： 0065-1583

年卷期： 2017 年 56 卷 4 期

页码：

收录情况： SCI

摘要： Direct and indirect effects of crustacean zooplankton (cladocerans and copepods) are important regulators of ciliate communities, especially in eutrophic systems. However, it is not clear whether pseudodiaptomids (e.g., Schmackeria), one of the dominant calanoid copepods in Chinese lakes, effectively impacts natural ciliate communities. The impacts of small-bodied cladocerans (e.g., Bosmina) on ciliates are also controversial. We performed an incubation experiment using winter lake water from Lake Chaohu to assess the structuring effects that crustacean zooplankton have on natural ciliate populations. The presence and absence of cladocerans (Bosmina sp.) and copepods (Schmackeria inopinus) were alternated in four treatments. Both Bosmina sp. and Schmackeria inopinus had substantial impacts on ciliate abundance, biomass, and community structure. The response of ciliates was different in the presence of Bosmina sp. compared with Schmackeria inopinus and varied among categories such as the ciliate population, relative body size and functional feeding group. Our results also highlight the importance of interference and exploitative competition among metazooplankton groups.

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