Small mammals from barn owl Tyto alba pellets in a Mediterranean agroforestry landscape of central Italy

Submitted: 6 January 2021
Accepted: 7 July 2021
Published: 28 October 2021
Abstract Views: 3046
PDF: 558
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In order to investigate diversity patterns and similarities in the small mammal communities of an agroforestry landscape in western central Italy (Maremma of Lazio), we analyzed, in a multivariate setting (Cluster analysis, DCA-Detrended Correspondence Analysis), the prey content of barn owl Tyto alba pellets collected along one year in five sampling sites. Small mammal communities were composed by guilds typical of habitats included in agroforestry landscapes (croplands and mosaics, forests and ecotones, wet habitats and synanthropic ones). Since landscape matrices were characterized almost everywhere by croplands, typical agro-ecosystem species (Apodemus cfr. sylvaticus, Microtus savii, Mus domesticus and Soricidae) dominated in the majority of the collecting sites. The statistical analyses show how small changes in land use and cover can explain the faunal differences between sites, with the occasional presence of Arvicola italicus in wet habitats, and of Muscardinus avellanarius and Sorex samniticus in sites dominated by forest or agroforestry ecotones.
Communities recorded in sites characterized by wet and forest habitats showed a higher distance from the others, dominated by croplands. Communities occurring in landscapes with the lowest habitat diversity showed also the lowest species diversity.

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Ferri, V., Crescia, P., Celletti, S., Soccini, C., & Battisti, C. (2021). Small mammals from barn owl <em>Tyto alba</em> pellets in a Mediterranean agroforestry landscape of central Italy. Natural History Sciences, 8(2), 3–10. https://doi.org/10.4081/nhs.2021.512

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