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Research article - Peer-reviewed, 2021

Environmental and anthropogenic factors synergistically affect space use of jaguars

Thompson, Jeffrey J.; Morato, Ronaldo G.; Niebuhr, Bernardo B.; Alegre, Vanesa Bejarano; Oshima, Julia Emi F.; de Barros, Alan E.; Paviolo, Agustin; Antonio de la Torre, J.; Lima, Fernando; McBride, Roy T., Jr.; de Paula, Rogerio Cunha; Cullen, Laury, Jr.; Silveira, Leandro; Kantek, Daniel L. Z.; Ramalho, Emiliano E.; Maranhao, Louise; Haberfeld, Mario; Sana, Denis A.; Medellin, Rodrigo A.; Carrillo, Eduardo;
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Large terrestrial carnivores have undergone some of the largest population declines and range reductions of any species, which is of concern as they can have large effects on ecosystem dynamics and function.1-4 The jaguar (Panthera onca) is the apex predator throughout the majority of the Neotropics; however, its distribution has been reduced by >50% and it survives in increasingly isolated populations.5 Consequently, the range-wide management of the jaguar depends upon maintaining core populations connected through multi-national, transboundary cooperation, which requires understanding the movement ecology and space use of jaguars throughout their range.6-8 Using GPS telemetry data for 111 jaguars from 13 ecoregions within the four biomes that constitute the majority of jaguar habitat, we examined the landscape-level environmental and anthropogenic factors related to jaguar home range size and movement parameters. Home range size decreased with increasing net productivity and forest cover and increased with increasing road density. Speed decreased with increasing forest cover with no sexual differences, while males had more directional movements, but tortuosity in movements was not related to any landscape factors. We demonstrated a synergistic relationship between landscape-scale environmental and anthropogenic factors and jaguars' spatial needs, which has applications to the conservation strategy for the species throughout the Neotropics. Using large-scale collaboration, we overcame limitations from small sample sizes typical in large carnivore research to provide a mechanism to evaluate habitat quality for jaguars and an inferential modeling framework adapt

Published in

Current Biology
2021, volume: 31, number: 15, pages: 3457-2466
Publisher: CELL PRESS

Authors' information

Thompson, Jeffrey J.
Asociación Guyra Paraguay
Morato, Ronaldo G.
Instituto Chico Mendes de Conservação da Biodiversidade (ICMBio)
Instituto Chico Mendes de Conservação da Biodiversidade (ICMBio)
Universidade Estadual Paulista (UNESP)
Instituto Pró‐Carnívoros
Alegre, Vanesa Bejarano
Universidade Estadual Paulista
Oshima, Julia Emi F.
Universidade Estadual Paulista
de Barros, Alan E.
Universidade de Sao Paulo
Paviolo, Agustin
Univ Nacl Misiones
Paviolo, Agustin
Assoc Civil Ctr Invest Bosque Atlantico
Paviolo, Agustin
Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET)
Antonio de la Torre, J.
Bioconciencia AC
Lima, Fernando
Universidade Estadual Paulista
McBride, Roy T.
Faro Moro Eco Res
de Paula, Rogerio Cunha
Instituto Chico Mendes de Conservação da Biodiversidade (ICMBio)
Cullen Jr., Laury
IPÊ-Instituto de Pesquisas Ecológica
Silveira, Leandro
Inst Onca Pintada
Kantek, Daniel L. Z.
Inst Chico Mendes Conservacao Biodiversidade
Ramalho, Emiliano E.
Inst Desenvolvimento Sustentavel Mamiraua
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