Capsule We analysed habitat preferences of Black-eared Wheatear Oenanthe hispanica of the eastern subspecies (O. hispanica melanoleuca) in South Italy, considering 1-ha (coinciding with territory size) square plots (49 occupied and 49 unoccupied). We used multi-adaptive regression splines to model habitat preferences. Black-eared Wheatear occurrence was positively associated with three factors: aspect (a SE orientation was preferred), cover of grazed grassland and cover of bare ground. Species conservation should be based on the maintenance of grazed grasslands, especially on SE-facing slopes, and including at least 2500 m2 of bare ground per ha. © 2013 British Trust for Ornithology.
Habitat preferences of the threatened Black-eared Wheatear Oenanthe hispanica in southern Italy / M. Brambilla, E. Fulco, M. Gustin, C. Celada. - In: BIRD STUDY. - ISSN 0006-3657. - 60:3(2013 Aug), pp. 432-435. [10.1080/00063657.2013.819831]
Habitat preferences of the threatened Black-eared Wheatear Oenanthe hispanica in southern Italy
M. Brambilla
Primo
;
2013
Abstract
Capsule We analysed habitat preferences of Black-eared Wheatear Oenanthe hispanica of the eastern subspecies (O. hispanica melanoleuca) in South Italy, considering 1-ha (coinciding with territory size) square plots (49 occupied and 49 unoccupied). We used multi-adaptive regression splines to model habitat preferences. Black-eared Wheatear occurrence was positively associated with three factors: aspect (a SE orientation was preferred), cover of grazed grassland and cover of bare ground. Species conservation should be based on the maintenance of grazed grasslands, especially on SE-facing slopes, and including at least 2500 m2 of bare ground per ha. © 2013 British Trust for Ornithology.File | Dimensione | Formato | |
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