Feeding Selectivity and Diet Shift of Protosalanx chinensis during Spring in Lake Dalong, Northeastern China

Zeng, Haoyu; Tang, Fujiang; Zhe, Li; Lu, Wanqiao; Zheng, Yi

doi:10.3390/w15101847

Cited by 3 publications

(3 citation statements)

References 25 publications

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“…The selectivity index generally varies between −1 and 1, with negative values indicating avoidance and positive values indicating active selection. Following several recent studies on food selectivity in aquatic species [30], E index values between −0.25 and +0.25 were considered as indicating non-selective feeding with E ≥ +0.25 indicating the preference for specific prey items, and E ≤ −0.25, and avoidance of particular prey items.…”

Section: Methodsmentioning

confidence: 99%

Food Selectivity in Juvenile Three-Spined Stickleback Gasterosteus aculeatus L. (Gasterosteidae) at Nursery Grounds in the White Sea

Genelt-Yanovskaya,

Genelt-Yanovskiy,

Polyakova

et al. 2023

JMSE

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The spatial and temporal variability in the dietary preferences of juvenile three-spined stickleback Gasterosteus aculeatus were studied across the typical coastal habitats of Keret Archipelago, Kandalaksha Bay(the White Sea). The sampling of fish using a beach seine was conducted in the late July–early August period and in late August. Additionally, zooplankton samples were collected to conduct a quantitative assessment of the abundance of potential prey items. The similarity percentage (SIMPER) analysis was applied to the data obtained from the stomach content and revealed the five planktonic taxa most prominently contributing to the diet of juvenile sticklebacks. Among these, the copepod Temora longicornis was the most important prey item at marine sites, while Acartia longiremis dominated the diet of fish in the marine lagoon. The calculation of the selectivity index revealed that some taxa (such as A. longiremis) were always avoided by juvenile fish, whereas the selectivity of some taxa increased in late August. In general, juvenile sticklebacks demonstrated a pronounced individual variation in their selectivity, even when a particular prey item was selected positively during the whole period of study. Our data highlight that despite the predominant consumption of easily available prey by juvenile sticklebacks, they demonstrate taxonomic- and size-specific prey selectivity.

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Section: Methodsmentioning

confidence: 99%

Food Selectivity in Juvenile Three-Spined Stickleback Gasterosteus aculeatus L. (Gasterosteidae) at Nursery Grounds in the White Sea

Genelt-Yanovskaya,

Genelt-Yanovskiy,

Polyakova

et al. 2023

JMSE

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“…In this research, the correlation among phytoplankton and zooplankton was weaker in Lake L than in Lake Q, which should be a result of top-down influences. P. chinensis mainly preys on Copepoda and Cladocera [14,42]. The top-down effect was stronger than the bottom-up effect in October and December, possibly due to the low temperature.…”

Section: Influnces Of Stocking P Chinensis On the Plankton Communitymentioning

confidence: 99%

“…As the large zooplankton decreased in dominance, the total dominance of Protozoa and Rotifera suddenly increased in October and December, which was very different from the dynamics in Lake Q (P. chinensis free). The higher declining rate of Cladocera density and biomass from June to August was attributed to P. chinensis transitioning to feed on Cladocera in June [42].…”

Section: Influnces Of Stocking P Chinensis On the Plankton Communitymentioning

confidence: 99%

The Resource Status of Plankton after Stocked Protosalanx chinensis Population Collapse in a Lake of Northeastern China

Zhe

Han

Tang

et al. 2023

Water

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In order to understand the relative strength of top-down and bottom-up control in lakes of grazing alien fish, Protosalanx chinensis, investigations were designed in Lake Longhu (Lake L, P. chinensis introduced in 2013) and Lake Qijia (Lake Q, P. chinensis free). Plankton samples were collected bimonthly through the whole life cycle of P. chinensis (from February to December in 2018). A total of 133 phytoplankton and 68 zooplankton species were recorded in the two lakes. The total density and biomass of phytoplankton and zooplankton were 991.89 × 104 ind/L and 9.2418 mg/L as well as 5212 ind/L and 20.2646 mg/L, respectively. This study revealed that P. chinensis grazing did not deplete the zooplankton resources in the lake where it was stocked. Biodiversity in Lake L was not significantly different from that in Lake Q based on both phytoplankton and zooplankton. Overall, the over grazing of P. chinensis was not found in Lake L. Nevertheless, compared to Lake Q, the correlation between phytoplankton and zooplankton was weakened in Lake L, which meant there were still some effects of stocking P. chinensis on the ecological equilibrium of the plankton community, although no dramatic influences were found in Lake L yet. We also found that P. chinensis and Cladocera were significantly correlated, which should account for the top-down influences. Long-term successive investigations are suggested for sustainable resource utilization and maintaining biological balance.

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Sustainable aquaculture over the last 30 years: An analysis of the scientific literature by the Text Mining approach

Tucciarone,

Secci,

Contiero

et al. 2024

Reviews in Aquaculture

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A literature search approach (using Scopus®, Elsevier© database) was established to identify peer‐reviewed articles published in English between 1960 and 2023 dealing with ‘sustainable aquaculture’ and focusing on specific aquaculture practices (aquaponics, integrated multi‐trophic aquaculture, biofloc and recirculating aquaculture systems). Text Mining combined with Topic Analysis was utilized to extract information from the text data of the papers identified. After an appropriate screening procedure, 1111 articles were selected. The analysis showed a gradual increase in sustainable aquaculture publications over time, peaking at more than 200 publications in 2023. The first articles on biofloc, integrated multi‐trophic aquaculture and recirculating aquaculture systems as alternative aquaculture practices began to appear in 2010, while studies in aquaponics have only been published since 2015. Most publications (40%) came from Asia, in line with the leadership of this continent in aquaculture. European also showed considerable interest in sustainable aquaculture practices, with Italy (leader in publications), Portugal and Germany researchers contributing with 111 papers on the subject in the past 30 years. This study identified the main research topics on the subject and observed how these have evolved. The papers analysed dealt mainly with optimization of aquatic life, genetic in aquaculture and disease management. The topic of protein replacement in feed was also important, with the term ‘diet’ the most frequently utilized in papers. The subjects identified could serve as valuable primary data source, offering opportunities for deeper examination, such as systematic reviews on research topics or geographic regions.

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Feeding Selectivity and Diet Shift of Protosalanx chinensis during Spring in Lake Dalong, Northeastern China

Cited by 3 publications

References 25 publications

Food Selectivity in Juvenile Three-Spined Stickleback Gasterosteus aculeatus L. (Gasterosteidae) at Nursery Grounds in the White Sea

Food Selectivity in Juvenile Three-Spined Stickleback Gasterosteus aculeatus L. (Gasterosteidae) at Nursery Grounds in the White Sea

The Resource Status of Plankton after Stocked Protosalanx chinensis Population Collapse in a Lake of Northeastern China

Sustainable aquaculture over the last 30 years: An analysis of the scientific literature by the Text Mining approach

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