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Spring feeding habits by escaped cage rainbow trout,Oncorhynchus mykiss (Walbaum,1792) in the Seyhan Dam Lake (Adana/Turkey)
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نویسنده
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ergüden s.a. ,goksu m.z.l. ,çelikkol ç.
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منبع
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journal of applied biological sciences - 2010 - دوره : 4 - شماره : 3 - صفحه:7 -10
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چکیده
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In this study were the stomach contents of 50 rainbow trout were caught by gill nets in the seyhan dam lake during the period from march-may 2007 and march-may 2008. organisms,obtained upon analysing the stomach contents were counted to using method of iri (index of relative important). percentages of food items consumed by trout were,in females 0.10% fish,6.90% terrestrial invertebrates,17% aquatic invertebrates,26% microalgae and 50% of others including stones,wood,scales and egg while in males 0.20 % fish,5.27 % terrestrial invertebrates,16.92% aquatic invertebrates,19.90% others (stone,wood,scale and egg) and 57.71% microalgae. in addition,29 food items including 16 plant organisms,and 13 were animals were found in the stomach content of the rainbow trout.
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کلیدواژه
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Index of Relative importance Diet composition; Onchorhynchus mykiss; Seyhan Dam Lake
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آدرس
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cukurova university,fisheries faculty,basic science department, Turkey, cukurova university,fisheries faculty,basic science department, Turkey, cukurova university,fisheries faculty,basic science department, Turkey
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Authors
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