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Etude du régime alimentaire du Corbeau brun Corvus ruficollis Lesson, 1831dans la région de Ghardaïa. Algérie

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dc.contributor.author Ben Hamou, Ikram
dc.date.accessioned 2023-03-20T10:12:01Z
dc.date.available 2023-03-20T10:12:01Z
dc.date.issued 2020
dc.identifier.uri https://dspace.univ-ghardaia.edu.dz/xmlui/handle/123456789/5777
dc.description.abstract The present work focuses on the study of the trophic menu of the brown-necked Raven (Corvus ruficollis, Lesson, 1831) through the analysis of rejection balls in two Zelfana stations; metliliin Ghardaïa. From the analyzes of 82 rejection balls, we have identified five trophic categories (with 283 individuals). Insects are the most devoured by this predator along with Coleoptera sp. Indét (16.4%), they are followed by and Reptelia sp. indet (7.6%). In terms of biomass, insects dominate in Ouad metlili Coleoptera sp. Indét (B = 21.5%), Scarabidae, à Zelfana (it is Passer sp. (B = 86.1%) and Reptelia sp. Indét (B = 2.2%) which constitute the most profitable prey in biomass. that in overall terms, the most striking preys are Passer sp. (B = 79.7%); Mus sp. (B = 3.6%) and Coleoptera sp. indet (B = 2.4%) The Corvus corax is considered as a generalist predator (E = 0.9) in Ghardaïa, characterized by a diverse diet. EN_en
dc.language.iso fr EN_en
dc.publisher Faculté Science de la Nature et de la Vie et Sciences de la Terre - Université de Ghardaïa EN_en
dc.subject Menu trophique, Corbeau brun Corvus ruficollis pelotes de rejections, Ghardaïa EN_en
dc.subject Trophic menu, brown-necked Raven Corvus ruficollis, rejections balls, Ghardaïa EN_en
dc.subject الغراب البني، غرداية EN_en
dc.title Etude du régime alimentaire du Corbeau brun Corvus ruficollis Lesson, 1831dans la région de Ghardaïa. Algérie EN_en
dc.title.alternative Diet Study of the Common Raven Corvus ruficollis Lesson, 1831 in the Ghardaïa Region. Algeria EN_en


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