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Journals / Turkish Journal of Zoology / 2018 / Cilt: 42 - Sayı: 4

The invasive Ameiurus nebulosus (Lesueur, 1819) as a permanent part of the fish fauna in selected reservoirs in Central Europe: long-term study of three shallow lakes

Jacek RECHULICZ
Wojciech PŁASKA
Pages
464–474
Publication Date
2022-11-05
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The results showed that the brown bullhead, because of the constancy of occurrence and the size class structure ofspecimens, had stable populations in the selected lakes in Poland.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:The invasive brown bullhead (Ameiurus nebulosus (Lesueur, 1918)) has been present in Europe since the late 19th century,but there is still a lack of reliable information about its distribution in Europe and the condition of its population.
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Key Findings & Data:A long-term study(from 2000 to 2011) in three shallow lakes in Central Europe (eastern Poland) was carried out to determine the occurrence of thebrown bullhead and its participation in the fish community.
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Conclusion & Impact:The results showed that the brown bullhead, because of the constancy of occurrence and the size class structure ofspecimens, had stable populations in the selected lakes in Poland.
🔬Design:Survey & Empirical Study
📍Scope:2000 Verileri
⚙️Variables:Domain Parameters

Abstract

The invasive brown bullhead (Ameiurus nebulosus (Lesueur, 1918)) has been present in Europe since the late 19th century,but there is still a lack of reliable information about its distribution in Europe and the condition of its population. A long-term study(from 2000 to 2011) in three shallow lakes in Central Europe (eastern Poland) was carried out to determine the occurrence of thebrown bullhead and its participation in the fish community. The brown bullhead was present in almost all the sampling fishing in allthe lakes studied (Ci = 72%–82%). Its mean abundance and share in the fish biomass ranged from 4.2% to 13.6% and from 9.4% to18.9%, respectively. The relative numbers of the brown bullheads ranged from 6.4 to 9.1 NPUE (ind. net–1 12 h–1) and relative biomassfrom 197.9 to 430.2 WPUE (g net–1 12 h–1). In total, the brown bullheads with a total length from 12 to 20 cm were the most common inthe surveyed lakes. The results showed that the brown bullhead, because of the constancy of occurrence and the size class structure ofspecimens, had stable populations in the selected lakes in Poland.

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Cite This Article

RECHULICZ, J., PŁASKA, W. (2022). The invasive Ameiurus nebulosus (Lesueur, 1819) as a permanent part of the fish fauna in selected reservoirs in Central Europe: long-term study of three shallow lakes. Turkish Journal of Zoology, Cilt: 42 - Sayı: 4, 464–474. https://ajindex.com/articles/616134

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References (11)

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