Journal Article Research Support, Non-U.S. Gov't protected areas áreas protegidas Review biodiversity conservation buffer zones caza de trofeos crecimiento poblacional ganado herbívoros grandes insecurity inseguridad landscape change large herbivores livestock natural resource governance percepción perception population growth protected area management rural livelihoods sistemas socioecológicos social and cultural values socio ecological systems socio ecological traps sustentos rurales tourism trampas socioecológicas transition areas