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International Journal of Aquatic Biology، جلد ۴، شماره ۵، صفحات ۳۲۵-۳۲۹
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عنوان انگلیسی Occurrence of Orthetrum abbotti Calvert (1892) (Odonata, Libellulidae) and intraguild predation on Clarias gareipinus Burchell, 1822 (Suliformes, Clariidae) and Oreochromis niloticus L., 1758 (Perciformes, Cichlidae) fry in Lagos fish farms
چکیده انگلیسی مقاله Intraguild predation occurs when species competing for the same resource prey upon or parasitize one another. This may result in economic losses under commercial circumstances. A survey of the insect species of fish farms in Badagry and Ojo Areas of Lagos State, Nigeria was carried out followed by an evaluation of the predatory ability of Orthetrum abbotti nymphs on fish fry. Nymph predation was evaluated in the laboratory against fry of Clarias gariepinus and Oreochromis niloticus . Samples of insects were randomly collected from 10 earthen ponds, 10 concrete ponds and the vegetation surrounding the ponds and identified over a period of 12 weeks from three study fish farms. Six species of insects belonging to four orders namely Notonecta unifasciata , Gerris remigis , O. abbotti , Aedes aegypti , Dysticus marginalis and Acentria ephemerella syn. niveus were collected from the ponds. Studies on feeding preference of 5th nymphal instar of O. abbotti on fry of C. gariepinus and O. niloticus over other food types revealed that the dragonfly preferred to feed more on C. gariepinus fry than on O. niloticus although there was no significant difference in the number of O. niloticus and C. gariepinus fry preyed upon by O. abbotti nymphs.
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نویسندگان مقاله abiodun akinpelu denloye | abiodun akinpelu denloye
lagos state university, ojo,lagos.


oyindamola azeezat alafia | oyindamola azeezat alafia
lagos state university, lagos


kafayat oluwakemi ajelara | kafayat oluwakemi ajelara
lagos state university


oluwaseun olusegun babalola | oluwaseun olusegun babalola
lagos state university


olanrewaju abayomi dosunmu | olanrewaju abayomi dosunmu
lagos state university


fatai gbolahan owodeinde | fatai gbolahan owodeinde
lagos state university


oluwaseun oluyomi سلیمان | oluwaseun oluyomi solomon


نشانی اینترنتی http://ij-aquaticbiology.com/index.php/ijab/article/view/219
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/402/article-402-442175.pdf
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زبان مقاله منتشر شده en
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