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dc.contributor.authorMoreno-Opo, Rubén
dc.contributor.authorMargalida, Antoni
dc.description.abstractRaptors are considered to pose one of the greatest aviation bir d strike risks. We investigated raptor bird strikes reported at the largest Spanis h airport (Adolfo Suárez Madrid Barajas; AS-MB) from 2009 to 2016 to determine the factors cont ributing to the increased incidences and develop recommendations to mitigate the risks. W e hypothesized that increased raptor bird strikes resulted from changes in foraging and dispersal patterns of Iberian Peninsula vultures ( Aegypius spp. and Gyps spp.) after 2004–2005. We used information on raptor bird strikes obtained from offi cial databases and published studies, reported incidences of raptor bird strikes and their characteristics (i.e., time, l ocation, species involved), data collected about raptor fl ight heights, and estimates of relativ e abundance of large raptors and their prey species obtained through standardized surveys co nducted in the high priority aviation area around the airport to assess bird strike risks. O ur fi eld work was conducted from June 2014 to May 2016. We confi rmed a direct relationship betwe en the relative abundance of the raptors studied and their prey species in the priority a viation areas. Raptor bird strike risks increased during spring and summer when food sources were abundant in locations where fl ight altitudes of aircraft were <1000 m above ground le vel. Our observations appear to be related to European Union sanitary policies that altered the availability and occurrence of livestock carcasses. These changes may have increased the ov erall movement of vultures in search of new, scarcer, and more distant food sources, enhan cing the likelihood of overlap with air traffi c corridors. Although further studies on aviation risk are ne eded, our results suggest the need to implement immediate remedial management act ions to alter vulture habitat quality by reducing food sources in sensitive areas, an d providing alternative food resources at distances suffi ciently far from commercial airportsca_ES
dc.description.sponsorshipThis work was carried out within the framework of the project “Guidelines for the prevention of large soaring bird-strike hazard in relation to air safety,” commissioned by the Spanish Ministry of Environment (MAPAMA) and developed by TRAGSATEC. It is part of the collaboration between MAPAMA, the State Air Tra ffi c Agency (AESA) and the company managing air navigation and airport operations of the Madrid airport (AENA). J. Sánchez performed most of the fi eld work, and M. Abascal, D. Muñoz, R. Martínez, L. M. González, and V. García helped in di ff erent phases. The AENA provided essent ial data on collisions and observations of birds from aircraft around AS-MB airport, and we are most grateful to C. González, M. M. Anda, and S. Alonso. The Comunidad de Madrid administration authorized the implementation of the project and issued permits for raptor monitoring. The comments of 4 reviewers as well as T. DeVault, HWI associate editor, and T. Messmer, HWI editor-in-chief, greatly improved the previous drafts of the manuscript. Our research was supported by a Ramón y Cajal research contract by the Ministry of Economy and Competitiveness (RYC-2012-11867).ca_ES
dc.publisherUtah State Universityca_ES
dc.relation.isformatofReproducció del document publicat a:
dc.relation.ispartofHuman–Wildlife Interactions, 2017, vol. 11, núm. 3, p. 339-350, winterca_ES
dc.rightscc-by-nc, (c) Digital Commons, 2017
dc.subjectAegypius monachusca_ES
dc.subjectAirport managementca_ES
dc.subjectBird strikeca_ES
dc.subjectCinereous vultureca_ES
dc.titleLarge birds of prey, policies that alter food availability and air traffic : a risky mix for human safetyca_ES

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