TY - GEN AU - Arrondo, Eneko AU - Moleón Páiz, Marcos AU - Cortés-Avizanda, Ainara AU - Jiménez, José AU - Beja, Pedro AU - Sánchez Zapata, José Antonio AU - Donázar, Jose Antonio PY - 2018 UR - https://hdl.handle.net/10481/111238 AB - Political boundaries may represent ecological barriers due to differences in wildlife management policies. In the European Union, it might be expected that these differences should be highly diluted, because all countries have to comply with common... LA - eng TI - Invisible barriers: Differential sanitary regulations constrain vulture movements across country borders DO - https://doi.org/10.1016/j.biocon.2017.12.039 ER -