Browsing GI-GIBE - Artigos by Author "Crespo, Jorge"

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Increasing Wild Boar Density Explains the Decline of a Montagu’s Harrier Population on a Protected Coastal Wetland

Crespo, Jorge; Jiménez Pérez, Juan; Martínez-Abraín, Alejandro (Museu de Ciències Naturals de Barcelona, 2021-07-19)

[Abstract] We studied the rapid decline in the number of breeding pairs (geometric growth rate λ = 0.86; 14 % annual decrease) of a semi–colonial ground–nesting bird of prey, the Montagu's harrier (Circus pygargus), after ...
Local Prior Information and Mainland Overflow Explain Avian Colonisation in a Major Land-Bridge Island

Martínez-Abraín, Alejandro; Crespo, Jorge; Rebassa, Maties (Wiley, 2023-06-23)

[Abstract] Aim: The relative roles of intrinsic and extrinsic factors, and those of local and regional variables, in island colonisation, remain major biogeographical questions. Thus, we analysed avian colonisation records ...