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

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

Abstracts

EN

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.

Keywords

EN

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

• Publisher: Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
• Journal: Acta Protozoologica
• Year: 2017
• Volume: 56
• Issue: 4
• Pages: 289-301

Dates

published

2017

Contributors

author

Jing Li

• Fisheries Research Institute, Anhui Academy of Agricultural Sciences, Hefei, China

author

Kun Yang

• Fisheries Research Institute, Anhui Academy of Agricultural Sciences, Hefei, China

author

Feizhou Chen

• State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing, China

author

Wenxuan Lu

• Fisheries Research Institute, Anhui Academy of Agricultural Sciences, Hefei, China

author

Ting Fang

• Fisheries Research Institute, Anhui Academy of Agricultural Sciences, Hefei, China

author

Xiuxia Zhao

• Fisheries Research Institute, Anhui Academy of Agricultural Sciences, Hefei, China

author

Haiyang Li

• Fisheries Research Institute, Anhui Academy of Agricultural Sciences, Hefei, China

author

Kai Cui

• Fisheries Research Institute, Anhui Academy of Agricultural Sciences, Hefei, China

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Identifiers

DOI

10.4467/16890027AP.17.025.7827

Biblioteka Nauki

52401895