The zooplankton composition of Lake Ladik (Samsun, Turkey)

Yağcı, Meral Apaydın; Yılmaz, Savaş; Yazıcıoğlu, Okan; Polat, Nazmi

doi:10.3906/zoo-1312-54

Cited by 17 publications

(11 citation statements)

References 18 publications

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“…This situation can be attributed to prey selection. Besides, Apaydin Yagci et al (2015) reported that this lake was defined as eutrophic. In this study, animal prey items such as Bosmina, Chironomid larvae, Cyclopoid copepods and Chydorus were found as the most important food types in diet.…”

Section: Discussionmentioning

confidence: 99%

“…Apaydin Yagci et al (2015) investigated the zooplankton composition of Lake Lad ik between November 2009 and October 2010. According to their finding Rotifera was the most dominant zooplankton group in this lake (59%).…”

Section: Discussionmentioning

confidence: 99%

“…It has a surface area of 10 km 2 and the depth range fro m 2.5 to 6 m . Th is lake which is a wet land has eutrophic character (Apaydin Yagci et al, 2015).…”

Section: Methodsmentioning

confidence: 99%

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Yazıcıoğlu¹,

Yılmaz²,

Yazici³

et al. 2017

Turk. J. Fish. Aquat. Sci.

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Food and feeding habits of white bream, Blicca bjoerkna specimens captured from Lake Ladik between November 2009 and October 2010 were investigated with respect to length groups and seasons. Stomach contents of 207 individuals ranging in size from 115 to 243 mm fork length were analyzed and 23.67% were empty. There was a seasonal variation in the feeding intensity of this species. The spring and summer feeding intensity were quite lower than other seasons. The food items in stomach showed a wide spectrum, ranging from phytoplankton, macrophytes, zooplankton to aquatic insects. Therefore, white bream displayed an omnivorous feeding. The relative importance index (RII%) indicated that Bosmina, M acrophytes, Chironomid larvae, Melosira, Navicula, Cymbella and Cyclopoid copepod were the most importance food items of white bream. The feeding strategy indicated that white bream plays an accelerator role in eutrophication. According to the Schoener's overlap index values, there was a high degree of consumed food overlap between spring-autumn (C xy = 0.78095) and summer-winter (C xy = 0.92035).

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Yazıcıoğlu¹,

Yılmaz²,

Yazici³

et al. 2017

Turk. J. Fish. Aquat. Sci.

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“…The species appear to contain typical tropical as well as cosmopolitan and littoral inhabiting (Ryding and Rast 1989). They were widespread in Turkey and worldwide because they were found almost all regions of Turkey (Güher 2000;Alper et al 2007;Dirican and Musul 2008;Bozkurt et al 2009;Saler and İpek 2009;Yıldız et al 2010;Günsel and (Emir) Akbulut 2012;Kaya et al 2012;Apaydın Yağcı 2013;Güher 2014;Saler and Alış 2014;Apaydın Yağcı et al 2015;Güher and Çolak 2015;Ustaoğlu 2015;Gürel and Saler 2015).…”

Section: Discussionmentioning

confidence: 99%

Distribution of Cladocera Species in Different Waters of Turkey

Bozkurt¹,

Aktaş²

2016

Journal of Limnology and Freshwater Fisheries Research

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Species diversity and distribution of Cladocera collected from river, dam lake, lake, marshes and well, in different regions of Turkey have been reported. Fortyfour samples collected from 31 different localities contained 37 species belonging to six families. Chydoridae was the most species rich family with 18 species followed by Daphniidae with 11 species. Bosmina coregoni, a rare species for Turkey inland waters, is a new record for Mediterranean region of Turkey. Keywords

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“…The study area is one of the few lakes containing floating islands in the world and it is a natural protected area owing to floating islands (Bulut, 2012;Polat, Yazıcıoğlu, Saygın, Yılmaz, & Zengin, 2015). The lake has been classified as an eutrophic and shallow lake (Apaydin Yagci, Yilmaz, Yazicioglu, & Polat, 2015). The lake's fish species are: common bream (Abramis brama), anatolian khramulya (Capoeta tinca), white bream (Blicca bjoerkna), king nase fish (Chondrostoma regium), European chub (Squalius cephalus), rudd (Scardinius erythrophthalmus), pike (Esox lucius), European perch (Perca fluviatilis), paphlagonian loach (Barbatula kosswigi) and Prussian carp (Carassius gibelio) (Uğurlu, Polat, & Kandemir, 2009;.…”

Section: Study Areamentioning

confidence: 99%

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Yazıcıoğlu¹,

Polat²,

Yılmaz³

2018

Turk. J. Fish. Aquat. Sci.

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This study was conducted to determine feeding biology and prey selection of pike inhabiting Lake Ladik (Ladik, Samsun). Sampling was carried out monthly between November 2009 and October 2010. The stomachs of 204 individuals were analyzed and 32.35% of them were empty. Feeding intensity varied by seasons and length group. Fullness index values were the lowest during summer and in large sized pike, while feeding intensity was the highest during autumn and in small specimens. Prey fish dominated the diet in all length groups throughout the year whereas feeding on invertebrates was limited to small pikes. For small, medium and large length individuals, the most preferred prey fish were Perca fluviatilis (V a = 0.139, χ2 = 3.86, P < 0.05), Chondrostoma regium (V a = 0.169, χ2 = 5.752, P < 0.05) and Abramis brama (V a = 0.337, χ2 = 22.731, P < 0.01), respectively. The pike exhibited a specialist feeding strategy on fish. The most important food items of pike were Scardinius erythrophthalmus, Perca fluviatilis and Abramis brama, respectively. Also, it was determined that there were significant positive relationships between prey dimensions-predator size and predator mouth sizes-predator length.

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The zooplankton composition of Lake Ladik (Samsun, Turkey)

Abstract: doi:10.3906/zoo-1312-5

Cited by 17 publications

References 18 publications

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Distribution of Cladocera Species in Different Waters of Turkey

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