Yıl 2020, Cilt 3 , Sayı 1, Sayfalar 8 - 14 2020-01-01

Spatial and Temporal Variation in Feeding Habits Squalius cephalus Living in Suat Uğurlu and Hasan Uğurlu Dam Lakes

Ayşe ÖLMEZ [1] , Şenol AKIN [2]


In this study, spatial and temporal feeding habits of Squalius cephalus (L., 1758) sampled in the Suat and Hasan Uğurlu Dam Lakes and the river areas above and below the dams was investigated by stomach contents analysis. For that purpose, the sampling was performed at 4 different stations: The first station, the Dam Exit (DEX) river areas; the second, Suat Uğurlu Dam Lake (SUDL); the third, Hasan Uğurlu Dam Lake (HUDL) and the fourth, the Dam Entrance (DEN). A total of 332 individuals of Squalius cephalus were sampled during the four seasons. Empty stomach ratio was 54.41%. Accordingly, the highest number of empty stomach was observed in autumn (for 60 individuals). According to stomach contents analysis, a total of 37 different prey species belonging to 6 main groups were identified. Of the identified prey species, insects group was the most preferred feed source (39.5%), followed by Chlorophyta (12.48%), Bacillorophyta (9.93%), aquatic plants (8.04%), detritus (5.57%) and Crustaceae (1.27%), respectively. The dominant food item in spring were Bacillariopyhta (3.49 ml), Chlorophyta (4.52 ml) and insects (14.44 ml) while Chlorophyta (1.93 ml), insects (1.38 ml) and detritus (1.41 ml) in summer. It was determined that insects and aquatic plants predominated stomach of S. cephalus in autumn, whereas they mostly fed on insects and preferred plant originated Bacillariohyta group in winter. Dams caused changes in the number of fish and food sources along the river. S. cephalus fed on insects, Bacillariophyta and Chlorophyta in DEX and SUDL; detritus, insects, Bacillariophyta in HUDL and aquatic plants, Bacillariophyta in DEN. In conclusion, it was observed that S. cephalus preferred both animal and plant materials during four seasons. More S. cephalus were captured in the river areas at the outlet of the dams and the variety of food sources consumed has been characterized more in their SUDL and HUDL.

Suat Uğurlu, Hasan Uğurlu, Dam, Stomach contents analysis, Spatial and temporal variation, Feeding habits
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Bölüm Makaleler
Yazarlar

Orcid: 0000-0001-5815-4254
Yazar: Ayşe ÖLMEZ (Sorumlu Yazar)
Kurum: TOKAT GAZİOSMANPAŞA ÜNİVERSİTESİ
Ülke: Turkey


Orcid: 0000-0002-3851-4360
Yazar: Şenol AKIN
Kurum: Bozok Üniversitesi, Ziraat Fakültesi
Ülke: Turkey


Destekleyen Kurum TUBİTAK
Proje Numarası TOVAG 107-O-519
Teşekkür Desteklerinden dolayı TÜBİTAK’a teşekkürlerimi sunarım.
Tarihler

Yayımlanma Tarihi : 1 Ocak 2020

Bibtex @araştırma makalesi { bsengineering639797, journal = {Black Sea Journal of Engineering and Science}, issn = {}, eissn = {2619-8991}, address = {bsjsci@blackseapublishers.com}, publisher = {Uğur ŞEN}, year = {2020}, volume = {3}, pages = {8 - 14}, doi = {10.34248/bsengineering.639797}, title = {Spatial and Temporal Variation in Feeding Habits Squalius cephalus Living in Suat Uğurlu and Hasan Uğurlu Dam Lakes}, key = {cite}, author = {ÖLMEZ, Ayşe and AKIN, Şenol} }
APA ÖLMEZ, A , AKIN, Ş . (2020). Spatial and Temporal Variation in Feeding Habits Squalius cephalus Living in Suat Uğurlu and Hasan Uğurlu Dam Lakes. Black Sea Journal of Engineering and Science , 3 (1) , 8-14 . DOI: 10.34248/bsengineering.639797
MLA ÖLMEZ, A , AKIN, Ş . "Spatial and Temporal Variation in Feeding Habits Squalius cephalus Living in Suat Uğurlu and Hasan Uğurlu Dam Lakes". Black Sea Journal of Engineering and Science 3 (2020 ): 8-14 <https://dergipark.org.tr/tr/pub/bsengineering/issue/49550/639797>
Chicago ÖLMEZ, A , AKIN, Ş . "Spatial and Temporal Variation in Feeding Habits Squalius cephalus Living in Suat Uğurlu and Hasan Uğurlu Dam Lakes". Black Sea Journal of Engineering and Science 3 (2020 ): 8-14
RIS TY - JOUR T1 - Spatial and Temporal Variation in Feeding Habits Squalius cephalus Living in Suat Uğurlu and Hasan Uğurlu Dam Lakes AU - Ayşe ÖLMEZ , Şenol AKIN Y1 - 2020 PY - 2020 N1 - doi: 10.34248/bsengineering.639797 DO - 10.34248/bsengineering.639797 T2 - Black Sea Journal of Engineering and Science JF - Journal JO - JOR SP - 8 EP - 14 VL - 3 IS - 1 SN - -2619-8991 M3 - doi: 10.34248/bsengineering.639797 UR - https://doi.org/10.34248/bsengineering.639797 Y2 - 2019 ER -
EndNote %0 Black Sea Journal of Engineering and Science Spatial and Temporal Variation in Feeding Habits Squalius cephalus Living in Suat Uğurlu and Hasan Uğurlu Dam Lakes %A Ayşe ÖLMEZ , Şenol AKIN %T Spatial and Temporal Variation in Feeding Habits Squalius cephalus Living in Suat Uğurlu and Hasan Uğurlu Dam Lakes %D 2020 %J Black Sea Journal of Engineering and Science %P -2619-8991 %V 3 %N 1 %R doi: 10.34248/bsengineering.639797 %U 10.34248/bsengineering.639797
ISNAD ÖLMEZ, Ayşe , AKIN, Şenol . "Spatial and Temporal Variation in Feeding Habits Squalius cephalus Living in Suat Uğurlu and Hasan Uğurlu Dam Lakes". Black Sea Journal of Engineering and Science 3 / 1 (Ocak 2020): 8-14 . https://doi.org/10.34248/bsengineering.639797
AMA ÖLMEZ A , AKIN Ş . Spatial and Temporal Variation in Feeding Habits Squalius cephalus Living in Suat Uğurlu and Hasan Uğurlu Dam Lakes. BSJ Eng. Sci.. 2020; 3(1): 8-14.
Vancouver ÖLMEZ A , AKIN Ş . Spatial and Temporal Variation in Feeding Habits Squalius cephalus Living in Suat Uğurlu and Hasan Uğurlu Dam Lakes. Black Sea Journal of Engineering and Science. 2020; 3(1): 14-8.