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Wpływ regulacji unijnych związanych z zapobieganiem rozprzestrzeniania się gąbczastego zwyrodnienia mózgu (BSE) na dostępność pokarmu sępów płowych w Ebro Valley (północnowschodniaHiszpania) ; Vultures food shortages in Spain
Museum and Institute of Zoology, Polish Academy of Sciences
Museum and Institute of Zoology, Polish Academy of Sciences
Livestock farms in the mid-Ebro Valley were regularly monitored for carcass disposal and food availability before and after the carcass removal programme was established. At the same time Griffon Vulture censuses were carried out. During 2004 vultures fed almost exclusively on pigs. Since 2005 carcasses have not been available for vultures, but griffon numbers using the area have remained roughly the same. Most of the vultures previously present were nonbreeding birds, which probably increased their chances of survival by feeding far from the breeding colonies. Since the inception of the carcass removal programme, the situation has reversed, with adults now outnumbering immature birds. The establishment of carcass removal programmes all over Spain could affect the stability and future evolution of Griffon Vulture populations. To ensure a proper conservation policy for vulture species, scientific research is urgently needed in other areas before management measures are implemented.
oai:rcin.org.pl:55558 ; 10.3161/068.041.0106
MiIZ PAN, sygn. P.257 ; MiIZ PAN, sygn. P.4568
Prawa zastrzeżone - dostęp ograniczony
Muzeum i Instytut Zoologii Polskiej Akademii Nauk
Biblioteka Muzeum i Instytutu Zoologii PAN
Program Operacyjny Innowacyjna Gospodarka, lata 2010-2014, Priorytet 2. Infrastruktura strefy B + R ; Unia Europejska. Europejski Fundusz Rozwoju Regionalnego
Feb 4, 2025
Jul 29, 2015
14
https://rcin.org.pl./publication/75739
Xirouchakis, Stavros M Mylonas, Moysis
Śpiewak, Ruta
Cole, L. R.
Bruno, E. Lovari, S.
Rychlik, L.
Osiejuk, Tomasz S.