The effects and interactions of three invasive fish species introduced to the aquatic ecosystem of a Turkish Lake (Eğirdir Lake)

Yağcı, Meral Apaydın; Alp, Ahmet; Akın, Şenol; Yağcı, Abdülkadir; Yeğen, Vedat; Uysal, Rahmi; Bilgin, Fuat; Cesur, Mehmet

doi:10.1007/s10452-021-09842-9

Cited by 2 publications

(2 citation statements)

References 29 publications

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Section: Discussionsupporting

confidence: 91%

“…The diet of P. parva was dominated by Diptera larvae and Crustacea, which is in line with previous literature that showed a marked preference for Chironomidae larvae (Didenko & Kruzhylina, 2015; Wolfram‐Wais et al, 1999; Yağcı et al, 2021). Our results partly align with those of a previous study conducted in the Arno River using stable isotopes (Haubrock et al, 2019) that estimated the diet composition of P. parva as mainly composed of crustaceans and benthonic insects (Ephemeroptera and Odonata larvae).…”

Section: Discussionsupporting

confidence: 90%

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Population structure and dietary plasticity of four invasive populations of the topmouth gudgeon Pseudorasbora parva

Nocita,

La Sala,

Busatto

et al. 2022

Int Rev Hydrobiol

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The topmouth gudgeon Pseudorasbora parva is one of the worst invasive species worldwide and is considered to be highly plastic in terms of its phenotype but also behavioral ecology. Here, we analyzed the population structure and the morphological and dietary plasticity of four populations of P. parva across the four seasons within the Arno River basin in Central Italy. We found that the studied populations were morphologically different, suggesting multiple introductions or adaptation to different environmental conditions. In all populations, males were bigger and, overall, more frequent than females. The gonadosomatic index showed a similar pattern across all populations, with higher spring and summer values, indicating a long reproductive period. The diet of P. parva considerably varied across populations and seasons, suggesting a high degree of spatio-temporal trophic plasticity. Diet breadth varied among seasons, being more specialized in spring and summer and more opportunistic during autumn and winter. Our results highlight high trophic plasticity in the invasive populations of P. parva, potentially impacting multiple native taxa.

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Section: Discussionsupporting

confidence: 91%

Section: Discussionsupporting

confidence: 90%

Population structure and dietary plasticity of four invasive populations of the topmouth gudgeon Pseudorasbora parva

Nocita,

La Sala,

Busatto

et al. 2022

Int Rev Hydrobiol

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Investigations on the zooplankton distribution and composition of Işıklı Lake (Çivril-Denizli/Türkiye), with a trophic status assessment

Apaydın Yağcı,

Uysal,

Yağcı

et al. 2024

EgeJFAS

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In this study, the zooplankton distribution and composition of Işıklı Lake, located in the Inner West Anatolia region of Türkiye, were examined monthly between 2003-2005. Zooplankton samples were collected with Hydro-Bios plankton net (55 µm) at the surface and fixed in formaldehyde (4 %). Physiological parameters such as surface water temperature, pH, dissolved oxygen, and conductivity were also measured. Also, the frequency index (F %) and the Brachionus / Trichocerca (QB/T) were determined to assess the trophic composition of Lake Işıklı. A total of 49 species have been identified. Rotifera (55 %), Cladocera (27 %) and Copepoda (18%) were represented by the species. The maximum species was found in May 2004 (21 species), while the minimum was found in October 2003 (5 species). Asplanchna priodonta, Keratella cochlearis, Keratella tecta, Polyarthra dolichoptera, Synchaeta pectinata, Bosmina longirostris and Chydorus sphaericus are common species in the lake. The water temperature varied between 3.9-24.6 °C; pH ranged from 8.1 to 8.8; the electrical conductivity ranged from 341 µS/cm to 434 µS/cm; the dissolved oxygen values changed from 5.8 mg/L to 11.1 mg/L. According to the frequency index (F %), the most dominant species are B. longirostris (74 %), K. cochlearis (62 %), A. priodonta (54 %), and C. sphaericus (51 %). A total of 20 species are reported for the first time from the region. Newly reported species from the lake were: the rotifers, A. priodonta, Brachionus angularis, Brachionus calyciflorus, Colurella colurus, Keratella quadrata, Lecane clostrocerca, Lecane ludwigi, Lecane luna, Lecane lunaris, Lecane ohioensis, Lecane quadridentata, Lecane sp., Mytilina mucronata, Notholca acuminata, Notholca squamula, Trichotria tetractis, the cladocerans Acroperus harpae, Daphnia cucullata, and the copepods Eucyclops macrurus and Megacyclops gigas. Considering the Brachionus / Trichocerca (QB/T) ratio according to the Sládeček (1983) index, the lake showed mesotrophic features.

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The effects and interactions of three invasive fish species introduced to the aquatic ecosystem of a Turkish Lake (Eğirdir Lake)

Cited by 2 publications

References 29 publications

Population structure and dietary plasticity of four invasive populations of the topmouth gudgeon Pseudorasbora parva

Population structure and dietary plasticity of four invasive populations of the topmouth gudgeon Pseudorasbora parva

Investigations on the zooplankton distribution and composition of Işıklı Lake (Çivril-Denizli/Türkiye), with a trophic status assessment

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