Importance de la Mérione de Shaw Meriones shawii au sein des composantes trophiques de la Chouette effraie Tyto alba en milieux steppiques de l’Algérie

Abstract

pre ´sent travail porte sur l'e ´tude du re ´gime alimentaire de la Chouette effraie dans deux re ´gions steppiques (M'Sila et Djelfa) situe ´es sur les hautes plaines de l'Alge ´rie a `travers l'analyse des pelotes de rejetions collecte ´es dans six stations. L'analyse de 706 pelotes issues des diffe ´rentes stations a permis de recenser 1380 items de proies repre ´sente ´s par sept classes, 12 ordres, 32 familles et 76 espe `ces proies. Les mammife `res sont les plus consomme ´s, avec des taux variant entre 59,1 % et 90,0 %, dont la dominance est attribue ´e aux rongeurs (abondance relative, AR > 58 %). Ces derniers constituent les proies les plus profitables en biomasse (61,4 % B 99,2 %). La proie la plus consomme ´e est Meriones shawii, avec des taux variant entre 31,9 % et 76,6 %. Ge ´ne ´ralement, Tyto alba pre ´sente un re ´gime alimentaire diversifie ´dans la plupart des stations (0,69 E 0,76), mise a `part la station d'Ain El-Hadjel ou `elle se caracte ´rise par un re ´gime tre `s peu varie ´(E = 0,35) avec une forte consommation de la Me ´rione de Shaw (AR = 76,6 %).ß 2014 Acade ´mie des sciences. Publie ´par Elsevier Masson SAS. Tous droits re ´serve ´s.

Inventory and distribution of the rodents in Aurès Mountains and Ziban oasis (Northeast of Algeria)

“…It occurs many crops loss in the High Plateaux of Algerian cereal areas (Adamou-Djerbaoui et al 2010, 2011, Souttou et al 2012 were it was recorded in very high proportions ranging from: 25.74% to 68.80%. Sekour et al (2014) reported the presence of the Shaw's Jird in the Owl's diet in two steppe regions (M'Sila and Djelfa) located on the high plains of Algeria, with a high rate (between 31.90% and 76.60%). In central and coastal Morocco, Stoetzel et al (2012) and Denys et al (2015) have reported the presence of this rodent, but in rather low percentage.…”

Diet of the Barn Owl (Tyto alba) (Strigiformes: Tytonidae) in the Saharan Touggourt Area (Algeria)

“…According to Nghipangela and Lukubwe (2017), Tyto alba pellets in Namibia had 18 of vertebrates species and 8 invertebrates ones. In two Algerian steppe regions (M'Sila and Djelfa), Sekour et al (2014) avowed the equality between invertebrates and vertebrates, with 38 species for each group. We founded a result different from that reported by Ouarab and Doumandji (2017) for the Reghaïa wetland (Algiers), where vertebrates (S = 13) were the only prey species of the diet of Tyto alba.…”

“…Generally, in arid regions, Tyto alba consumes different categories, such as Gastropoda, Arachnida, Insecta, Batrachia, Reptilia, Aves, Rodentia, Soricomorpha, and Chiroptera (Sekour et al, 2014). In Chile, the diet of Tyto furcata was composed principally of rodents, although also by other categories such as marsupials, birds, and arthropods (Faúndez et al, 2016).…”

“…The sampling was carried out for 9 months between February 2009 to January 2010. It is by the wet method that the analysis of the pellets was done (Sekour et al 2014;Souttou et al 2015;Ouarab and Doumandji, 2017). We dissected Tyto alba pellets individually by hand with a fine plier.…”

“…In the world, many researchers worked on the diet composition of the Tyto alba. These studies have as objective to improve our knowledge on the diet ecology of the raptor and the structure and composition of its prey, particularly micromammals (Sekour et al, 2014). Faúndez, Osorio, Henríquez, Orozco, and Alvarado (2016) in Chile worked on the diet of American Barn owl (Tyto furcata, Temminck, 1827) at Acatama desert.…”