Habitat use and home range traits of resident and relocated hares (Lepus europaeus, Pallas)
2010
Ferretti, Marco | Paci, Gisella | Porrini, Stefania | Galardi, Lorenzo | Bagliacca, Marco
The aim of the study was to identify the habitat preferences and home range of resident and relocated brown hares during the nohunting period. The trial was carried out in a protected area and in a free-hunting territory (FHT), both located in the Florence province. During the captures, 21 hares were equipped with a necklace radio-tag: seven hares (resident group) were released in the same area of capture and 14 hares (relocated group) were relocated in six different locations within the FHT. The effect of the place of release was analysed by ANOVA and/or nonparametric methods. Results showed that the home ranges of the resident group were characterized by a greater amount of fallow land and shrub land than of the relocated group (P<0.05). Home range sizes and maximum distances from the releasing sites were greater in the relocated group. Resident hares preferred landscape characterized by a higher density of patches (152 vs. 70 n/100 ha), patch richness (43 vs. 12 n/100 ha), and patch area (4703 vs. 8142 m²) than the relocated hares (P<0.01). The landscape structure indices, the home range sizes and the maximum distance from the releasing sites suggest that the relocated hares, even if released in suitable habitats, will move from their releasing point to look for better habitats. The landscape with the most complexity is preferred by the resident hares. This result should be considered when a project is programmed to reintroduce this lagomorph into a territory, or when it is necessary to improve the dynamics of a natural population.
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