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Article

Omnivorous Carp (Carassius gibelio) Increase Eutrophication in Part by Preventing Development of Large-Bodied Zooplankton and Submerged Macrophytes

1
State Scientific and Production Amalgamation Scientific-Practical Center of the National Academy of Sciences of Belarus for Biological Resources, 220072 Minsk, Belarus
2
College of Resources and Environment, Anhui Agricultural University, Hefei 230036, China
3
Department of Bioscience and WATEC, Aarhus University, 8600 Silkeborg, Denmark
4
Sino-Danish Centre for Education and Research (SDC), Beijing 100049, China
5
Limnology Laboratory, Department of Biological Sciences and Centre for Ecosystem Research and Implementation, Middle East Technical University, Ankara 06800, Turkey
6
Institute of Marine Sciences, Middle East Technical University, Erdemli, Mersin 33731, Turkey
7
Department of Ecology and Institute of Hydrobiology, Jinan University, Guangzhou 510632, China
*
Author to whom correspondence should be addressed.
The author contributed equally to this work.
Academic Editor: José Maria Santos
Water 2021, 13(11), 1497; https://doi.org/10.3390/w13111497
Received: 28 April 2021 / Revised: 17 May 2021 / Accepted: 22 May 2021 / Published: 27 May 2021
(This article belongs to the Special Issue Ecosystem-Based Understanding and Management of Eutrophication)
Fish, being an important consumer in aquatic ecosystems, plays a significant role by affecting the key processes of aquatic ecosystems. Omnivorous fish consume a variety of food both from pelagic and benthic habitats and may directly or indirectly affect the plankton community as well as the lake trophic state. We conducted a 72-day outdoor experiment in mesocosms with and without Prussian carp (Carassius auratus) to evaluate the effect of this often-stocked omnivorous fish on the plankton community and water quality. We found that the presence of fish increased the biomass of planktonic algae, total and inorganic suspended solids, leading to decreased light intensity in the water and a lower biomass of benthic algae. Fish also prevented development of submerged macrophytes and the establishment of large-bodied zooplankton. However, the fish did not increase nitrogen concentrations and even was lowered total phosphorus levels, in part due to nutrient storage in the fish. We conclude that stocking of Prussian carp should be avoided, or removed where stocked and abundant, to obtain good ecological quality of shallow lakes, characterized by clear water and high abundance of macrophytes. View Full-Text
Keywords: Prussian carp; nutrients; phytoplankton; benthic algae; water quality Prussian carp; nutrients; phytoplankton; benthic algae; water quality
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MDPI and ACS Style

Razlutskij, V.; Mei, X.; Maisak, N.; Sysova, E.; Lukashanets, D.; Makaranka, A.; Jeppesen, E.; Zhang, X. Omnivorous Carp (Carassius gibelio) Increase Eutrophication in Part by Preventing Development of Large-Bodied Zooplankton and Submerged Macrophytes. Water 2021, 13, 1497. https://doi.org/10.3390/w13111497

AMA Style

Razlutskij V, Mei X, Maisak N, Sysova E, Lukashanets D, Makaranka A, Jeppesen E, Zhang X. Omnivorous Carp (Carassius gibelio) Increase Eutrophication in Part by Preventing Development of Large-Bodied Zooplankton and Submerged Macrophytes. Water. 2021; 13(11):1497. https://doi.org/10.3390/w13111497

Chicago/Turabian Style

Razlutskij, Vladimir, Xueying Mei, Natallia Maisak, Elena Sysova, Dzmitry Lukashanets, Andrei Makaranka, Erik Jeppesen, and Xiufeng Zhang. 2021. "Omnivorous Carp (Carassius gibelio) Increase Eutrophication in Part by Preventing Development of Large-Bodied Zooplankton and Submerged Macrophytes" Water 13, no. 11: 1497. https://doi.org/10.3390/w13111497

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