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Precipitous decline of white-lipped peccary populations in Mesoamerica
Biological Conservation ( IF 5.9 ) Pub Date : 2020-02-01 , DOI: 10.1016/j.biocon.2020.108410 Daniel Thornton , Rafael Reyna , Lucy Perera-Romero , Jeremy Radachowsky , Mircea G. Hidalgo-Mihart , Rony Garcia , Roan McNab , Lee Mcloughlin , Rebecca Foster , Bart Harmsen , José F. Moreira-Ramírez , Fabricio Diaz-Santos , Christopher Jordan , Roberto Salom-Pérez , Ninon Meyer , Franklin Castañeda , Fausto Antonio Elvir Valle , Gabriela Ponce Santizo , Ronit Amit , Stephanny Arroyo-Arce , Ian Thomson , Ricardo Moreno , Cody Schank , Paulina Arroyo-Gerala , Horacio V. Bárcenas , Esteben Brenes-Mora , Ana Patricia Calderón , Michael V. Cove , Diego Gomez-Hoyos , José González-Maya , Danny Guy , Gerobuam Hernández Jiménez , Maarten Hofman , Roland Kays , Travis King , Marcio Arnoldo Martinez Menjivar , Javier de la Maza , Rodrigo León-Pérez , Victor Hugo Ramos , Marina Rivero , Sergio Romo-Asunción , Rugieri Juárez-López , Alejandro Jesús-de la Cruz , J. Antonio de la Torre , Valeria Towns , Jan Schipper , Hector Orlando Portillo Reyes , Adolfo Artavia , Edwin Hernández-Perez , Wilber Martínez , Gerald R. Urquhart , Howard Quigley , Lain E. Pardo , Joel C. Sáenz , Khiavett Sanchez , John Polisar
Biological Conservation ( IF 5.9 ) Pub Date : 2020-02-01 , DOI: 10.1016/j.biocon.2020.108410 Daniel Thornton , Rafael Reyna , Lucy Perera-Romero , Jeremy Radachowsky , Mircea G. Hidalgo-Mihart , Rony Garcia , Roan McNab , Lee Mcloughlin , Rebecca Foster , Bart Harmsen , José F. Moreira-Ramírez , Fabricio Diaz-Santos , Christopher Jordan , Roberto Salom-Pérez , Ninon Meyer , Franklin Castañeda , Fausto Antonio Elvir Valle , Gabriela Ponce Santizo , Ronit Amit , Stephanny Arroyo-Arce , Ian Thomson , Ricardo Moreno , Cody Schank , Paulina Arroyo-Gerala , Horacio V. Bárcenas , Esteben Brenes-Mora , Ana Patricia Calderón , Michael V. Cove , Diego Gomez-Hoyos , José González-Maya , Danny Guy , Gerobuam Hernández Jiménez , Maarten Hofman , Roland Kays , Travis King , Marcio Arnoldo Martinez Menjivar , Javier de la Maza , Rodrigo León-Pérez , Victor Hugo Ramos , Marina Rivero , Sergio Romo-Asunción , Rugieri Juárez-López , Alejandro Jesús-de la Cruz , J. Antonio de la Torre , Valeria Towns , Jan Schipper , Hector Orlando Portillo Reyes , Adolfo Artavia , Edwin Hernández-Perez , Wilber Martínez , Gerald R. Urquhart , Howard Quigley , Lain E. Pardo , Joel C. Sáenz , Khiavett Sanchez , John Polisar
Abstract Large mammalian herbivores are experiencing population reductions and range declines. However, we lack regional knowledge of population status for many herbivores, particularly in developing countries. Addressing this knowledge gap is key to implementing tailored conservation strategies for species whose population declines are highly variable across their range. White-lipped peccaries (Tayassu pecari) are important ecosystem engineers in Neotropical forests and are highly sensitive to human disturbance. Despite maintaining a wide distributional range, white-lipped peccaries are experiencing substantial population declines in some portions of their range. We examined the regional distribution and population status of the species in Mesoamerica. We used a combination of techniques, including expert-based mapping and assessment of population status, and data-driven distribution modelling techniques to determine the status and range limits of white-lipped peccaries. Our analysis revealed declining and highly isolated populations of peccaries across Mesoamerica, with a range reduction of 87% from historic distribution and 63% from current IUCN range estimates for the region. White-lipped peccary distribution is affected by indices of human influence and forest cover, and more restricted than other sympatric large herbivores, with their largest populations confined to transboundary reserves. To conserve white-lipped peccaries in Mesoamerica, transboundary efforts will be needed that focus on both forest conservation and hunting management, increased cross-border coordination, and reconsideration of country and regional conservation priorities. Our methodology to detail regional white-lipped peccary status could be employed on other poorly-known large mammals.
更新日期：2020-02-01
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