Resource selection in an apex predator and variation in response to local landscape characteristics

Detalhes bibliográficos
Autor(a) principal: Silva, L. C.
Data de Publicação: 2018
Outros Autores: Morato, R. G., Connette, G. M., Stabach, J. A., Paula, R. C. de, Ferraz, K. M. P. M., Kantek, D. L. Z., Miyazaki, S. S., Pereira, T. D. C., Paviolo, A., Angelo, C. de, Di Bitetti, M. S., Cruz, P., Lima, F., Cullen, L., Sana, D. A., Ramalho, E. E., Carvalho, M. M., Silva, M. X. da, Moraes, M. D. F., Vogliotti, A., May Jr, J. A., Haberfeld, M., Rampim, L., Sartorello, L., Araujo, G. R., Wittemyer, G., Ribeiro, M. C., Leimgruber, P.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: LOCUS Repositório Institucional da UFV
Texto Completo: https://doi.org/10.1016/j.biocon.2018.10.022
http://www.locus.ufv.br/handle/123456789/23851
Resumo: Habitat loss and fragmentation represent major threats for the conservation of apex predators, such as the jaguar (Panthera onca). Investigating species' resource selection behavior in response to landscape alteration is critical for developing relevant conservation management plans. The jaguar is found across a variety of habitats with different gradients of human disturbance, making them a good candidate to study how apex predators respond to increasing intensity of human land use. We developed resource selection models to characterize patterns of jaguar resource selection at two different spatial scales, home range (coarse) and foraging scale (fine). This analysis was based on the largest existing GPS-location dataset for jaguars (n = 40 individuals, n = 87,376 locations), spanning the species' geographic range in Brazil and Argentina. We found that both males and females jaguars exhibited an overall preference for forests and areas close to watercourses at both the home range and foraging scale. At the foraging scale, areas of high livestock density “attracted” male jaguars. We also performed a follow-up analysis to test for context-dependent resource selection (i.e., functional responses) by relating individual behavior to local habitat characteristics. We found that jaguars in heavily-forested landscapes showed strong avoidance of non-forest. Furthermore, we found that only the individuals in closest proximity to watercourses showed positive selection for water. Our results highlight that jaguars display different patterns of resource selection in different areas, demonstrating a considerable ability to use or tolerate a wide variety of different conditions across the species geographic range. This plasticity may allow jaguars to adjust their behavior according to land use changes but also increases human-jaguar conflict and jaguar mortality, especially in areas with high livestock density.
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spelling Silva, L. C.Morato, R. G.Connette, G. M.Stabach, J. A.Paula, R. C. deFerraz, K. M. P. M.Kantek, D. L. Z.Miyazaki, S. S.Pereira, T. D. C.Paviolo, A.Angelo, C. deDi Bitetti, M. S.Cruz, P.Lima, F.Cullen, L.Sana, D. A.Ramalho, E. E.Carvalho, M. M.Silva, M. X. daMoraes, M. D. F.Vogliotti, A.May Jr, J. A.Haberfeld, M.Rampim, L.Sartorello, L.Araujo, G. R.Wittemyer, G.Ribeiro, M. C.Leimgruber, P.2019-03-11T17:01:42Z2019-03-11T17:01:42Z2018-121871-1413https://doi.org/10.1016/j.biocon.2018.10.022http://www.locus.ufv.br/handle/123456789/23851Habitat loss and fragmentation represent major threats for the conservation of apex predators, such as the jaguar (Panthera onca). Investigating species' resource selection behavior in response to landscape alteration is critical for developing relevant conservation management plans. The jaguar is found across a variety of habitats with different gradients of human disturbance, making them a good candidate to study how apex predators respond to increasing intensity of human land use. We developed resource selection models to characterize patterns of jaguar resource selection at two different spatial scales, home range (coarse) and foraging scale (fine). This analysis was based on the largest existing GPS-location dataset for jaguars (n = 40 individuals, n = 87,376 locations), spanning the species' geographic range in Brazil and Argentina. We found that both males and females jaguars exhibited an overall preference for forests and areas close to watercourses at both the home range and foraging scale. At the foraging scale, areas of high livestock density “attracted” male jaguars. We also performed a follow-up analysis to test for context-dependent resource selection (i.e., functional responses) by relating individual behavior to local habitat characteristics. We found that jaguars in heavily-forested landscapes showed strong avoidance of non-forest. Furthermore, we found that only the individuals in closest proximity to watercourses showed positive selection for water. Our results highlight that jaguars display different patterns of resource selection in different areas, demonstrating a considerable ability to use or tolerate a wide variety of different conditions across the species geographic range. This plasticity may allow jaguars to adjust their behavior according to land use changes but also increases human-jaguar conflict and jaguar mortality, especially in areas with high livestock density.engBiological ConservationVolume 228, Pages 233-240, December 2018Elsevier B. 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dc.title.en.fl_str_mv Resource selection in an apex predator and variation in response to local landscape characteristics
title Resource selection in an apex predator and variation in response to local landscape characteristics
spellingShingle Resource selection in an apex predator and variation in response to local landscape characteristics
Silva, L. C.
Resource selection function
Discrete choice models
Home range scale
Foraging scale
Functional response
Jaguar
title_short Resource selection in an apex predator and variation in response to local landscape characteristics
title_full Resource selection in an apex predator and variation in response to local landscape characteristics
title_fullStr Resource selection in an apex predator and variation in response to local landscape characteristics
title_full_unstemmed Resource selection in an apex predator and variation in response to local landscape characteristics
title_sort Resource selection in an apex predator and variation in response to local landscape characteristics
author Silva, L. C.
author_facet Silva, L. C.
Morato, R. G.
Connette, G. M.
Stabach, J. A.
Paula, R. C. de
Ferraz, K. M. P. M.
Kantek, D. L. Z.
Miyazaki, S. S.
Pereira, T. D. C.
Paviolo, A.
Angelo, C. de
Di Bitetti, M. S.
Cruz, P.
Lima, F.
Cullen, L.
Sana, D. A.
Ramalho, E. E.
Carvalho, M. M.
Silva, M. X. da
Moraes, M. D. F.
Vogliotti, A.
May Jr, J. A.
Haberfeld, M.
Rampim, L.
Sartorello, L.
Araujo, G. R.
Wittemyer, G.
Ribeiro, M. C.
Leimgruber, P.
author_role author
author2 Morato, R. G.
Connette, G. M.
Stabach, J. A.
Paula, R. C. de
Ferraz, K. M. P. M.
Kantek, D. L. Z.
Miyazaki, S. S.
Pereira, T. D. C.
Paviolo, A.
Angelo, C. de
Di Bitetti, M. S.
Cruz, P.
Lima, F.
Cullen, L.
Sana, D. A.
Ramalho, E. E.
Carvalho, M. M.
Silva, M. X. da
Moraes, M. D. F.
Vogliotti, A.
May Jr, J. A.
Haberfeld, M.
Rampim, L.
Sartorello, L.
Araujo, G. R.
Wittemyer, G.
Ribeiro, M. C.
Leimgruber, P.
author2_role author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
dc.contributor.author.fl_str_mv Silva, L. C.
Morato, R. G.
Connette, G. M.
Stabach, J. A.
Paula, R. C. de
Ferraz, K. M. P. M.
Kantek, D. L. Z.
Miyazaki, S. S.
Pereira, T. D. C.
Paviolo, A.
Angelo, C. de
Di Bitetti, M. S.
Cruz, P.
Lima, F.
Cullen, L.
Sana, D. A.
Ramalho, E. E.
Carvalho, M. M.
Silva, M. X. da
Moraes, M. D. F.
Vogliotti, A.
May Jr, J. A.
Haberfeld, M.
Rampim, L.
Sartorello, L.
Araujo, G. R.
Wittemyer, G.
Ribeiro, M. C.
Leimgruber, P.
dc.subject.pt-BR.fl_str_mv Resource selection function
Discrete choice models
Home range scale
Foraging scale
Functional response
Jaguar
topic Resource selection function
Discrete choice models
Home range scale
Foraging scale
Functional response
Jaguar
description Habitat loss and fragmentation represent major threats for the conservation of apex predators, such as the jaguar (Panthera onca). Investigating species' resource selection behavior in response to landscape alteration is critical for developing relevant conservation management plans. The jaguar is found across a variety of habitats with different gradients of human disturbance, making them a good candidate to study how apex predators respond to increasing intensity of human land use. We developed resource selection models to characterize patterns of jaguar resource selection at two different spatial scales, home range (coarse) and foraging scale (fine). This analysis was based on the largest existing GPS-location dataset for jaguars (n = 40 individuals, n = 87,376 locations), spanning the species' geographic range in Brazil and Argentina. We found that both males and females jaguars exhibited an overall preference for forests and areas close to watercourses at both the home range and foraging scale. At the foraging scale, areas of high livestock density “attracted” male jaguars. We also performed a follow-up analysis to test for context-dependent resource selection (i.e., functional responses) by relating individual behavior to local habitat characteristics. We found that jaguars in heavily-forested landscapes showed strong avoidance of non-forest. Furthermore, we found that only the individuals in closest proximity to watercourses showed positive selection for water. Our results highlight that jaguars display different patterns of resource selection in different areas, demonstrating a considerable ability to use or tolerate a wide variety of different conditions across the species geographic range. This plasticity may allow jaguars to adjust their behavior according to land use changes but also increases human-jaguar conflict and jaguar mortality, especially in areas with high livestock density.
publishDate 2018
dc.date.issued.fl_str_mv 2018-12
dc.date.accessioned.fl_str_mv 2019-03-11T17:01:42Z
dc.date.available.fl_str_mv 2019-03-11T17:01:42Z
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dc.identifier.uri.fl_str_mv https://doi.org/10.1016/j.biocon.2018.10.022
http://www.locus.ufv.br/handle/123456789/23851
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url https://doi.org/10.1016/j.biocon.2018.10.022
http://www.locus.ufv.br/handle/123456789/23851
dc.language.iso.fl_str_mv eng
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dc.relation.ispartofseries.pt-BR.fl_str_mv Volume 228, Pages 233-240, December 2018
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