Population Dynamics of the Critically Endangered Golden Lancehead Pitviper, Bothrops insularis: Stability or Decline?
Autor(a) principal: | |
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Data de Publicação: | 2014 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNIFESP |
Texto Completo: | http://repositorio.unifesp.br/handle/11600/37674 http://dx.doi.org/10.1371/journal.pone.0095203 |
Resumo: | Little is known about vital rates of snakes generally because of the difficulty in collecting data. Here we used a robust design mark-recapture model to estimate survival, behavioral effects on capture probability, temporary emigration, abundance and test the hypothesis of population decline in the golden lancehead pitviper, Bothrops insularis, an endemic and critically endangered species from southeastern Brazil. We collected data at irregular intervals over ten occasions from 2002 to 2010. Survival was slightly higher in the wet season than in the dry season. Temporal emigration was high, indicating the importance of accounting for this parameter both in the sampling design and modeling. No behavioral effects were detected on capture probability. We detected an average annual population decrease (lambda = 0.93, CI = 0.47- 1.38) during the study period, but estimates included high uncertainty, and caution in interpretation is needed. We discuss the potential effects of the illegal removal of individuals and the implications of the vital rates obtained for the future persistence and conservation of this endemic, endangered species. |
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Guimaraes, MuriloMunguia-Steyer, RobertoDoherty, Paul F.Martins, MarcioSawaya, Ricardo Janini [UNIFESP]Universidade Estadual de Campinas (UNICAMP)Univ Nacl Autonoma MexicoColorado State UnivUniversidade de São Paulo (USP)Universidade Federal de São Paulo (UNIFESP)2016-01-24T14:37:08Z2016-01-24T14:37:08Z2014-04-22Plos One. San Francisco: Public Library Science, v. 9, n. 4, 7 p., 2014.1932-6203http://repositorio.unifesp.br/handle/11600/37674http://dx.doi.org/10.1371/journal.pone.0095203WOS000335240300032.pdf10.1371/journal.pone.0095203WOS:000335240300032Little is known about vital rates of snakes generally because of the difficulty in collecting data. Here we used a robust design mark-recapture model to estimate survival, behavioral effects on capture probability, temporary emigration, abundance and test the hypothesis of population decline in the golden lancehead pitviper, Bothrops insularis, an endemic and critically endangered species from southeastern Brazil. We collected data at irregular intervals over ten occasions from 2002 to 2010. Survival was slightly higher in the wet season than in the dry season. Temporal emigration was high, indicating the importance of accounting for this parameter both in the sampling design and modeling. No behavioral effects were detected on capture probability. We detected an average annual population decrease (lambda = 0.93, CI = 0.47- 1.38) during the study period, but estimates included high uncertainty, and caution in interpretation is needed. We discuss the potential effects of the illegal removal of individuals and the implications of the vital rates obtained for the future persistence and conservation of this endemic, endangered species.Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Fundacao Grupo Boticario de Protecao a NaturezaConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)Fundo de Auxilio aos Docentes e Alunos (FADA-UNIFESP)Instituto Nacional de Cienca e Tecnologia em Toxinas (INCTTOX)Univ Estadual Campinas, Inst Biol, Dept Biol Anim, Campinas, SP, BrazilUniv Nacl Autonoma Mexico, Fac Estudios Super Iztacala, FES Iztacala, Tlalnepantla, Estado de Mexic, MexicoColorado State Univ, Dept Fish Wildlife & Conservat Biol, Ft Collins, CO 80523 USAUniv São Paulo, Inst Biociencias, Dept Ecol, São Paulo, BrazilUniversidade Federal de São Paulo, Dept Ciencias Biol, Diadema, SP, BrazilUniversidade Federal de São Paulo, Dept Ciencias Biol, Diadema, SP, BrazilWeb of Science7engPublic Library SciencePlos OnePopulation Dynamics of the Critically Endangered Golden Lancehead Pitviper, Bothrops insularis: Stability or Decline?info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UNIFESPinstname:Universidade Federal de São Paulo (UNIFESP)instacron:UNIFESPORIGINALWOS000335240300032.pdfapplication/pdf317544${dspace.ui.url}/bitstream/11600/37674/1/WOS000335240300032.pdf2a118307a5f824867db746791aaf5f9eMD51open accessTEXTWOS000335240300032.pdf.txtWOS000335240300032.pdf.txtExtracted texttext/plain40680${dspace.ui.url}/bitstream/11600/37674/2/WOS000335240300032.pdf.txt396c519e9aa31fe267cbead2f504c0f1MD52open access11600/376742016-02-01 03:11:18.673open accessoai:repositorio.unifesp.br:11600/37674Repositório InstitucionalPUBhttp://www.repositorio.unifesp.br/oai/requestopendoar:34652016-02-01T05:11:18Repositório Institucional da UNIFESP - Universidade Federal de São Paulo (UNIFESP)false |
dc.title.en.fl_str_mv |
Population Dynamics of the Critically Endangered Golden Lancehead Pitviper, Bothrops insularis: Stability or Decline? |
title |
Population Dynamics of the Critically Endangered Golden Lancehead Pitviper, Bothrops insularis: Stability or Decline? |
spellingShingle |
Population Dynamics of the Critically Endangered Golden Lancehead Pitviper, Bothrops insularis: Stability or Decline? Guimaraes, Murilo |
title_short |
Population Dynamics of the Critically Endangered Golden Lancehead Pitviper, Bothrops insularis: Stability or Decline? |
title_full |
Population Dynamics of the Critically Endangered Golden Lancehead Pitviper, Bothrops insularis: Stability or Decline? |
title_fullStr |
Population Dynamics of the Critically Endangered Golden Lancehead Pitviper, Bothrops insularis: Stability or Decline? |
title_full_unstemmed |
Population Dynamics of the Critically Endangered Golden Lancehead Pitviper, Bothrops insularis: Stability or Decline? |
title_sort |
Population Dynamics of the Critically Endangered Golden Lancehead Pitviper, Bothrops insularis: Stability or Decline? |
author |
Guimaraes, Murilo |
author_facet |
Guimaraes, Murilo Munguia-Steyer, Roberto Doherty, Paul F. Martins, Marcio Sawaya, Ricardo Janini [UNIFESP] |
author_role |
author |
author2 |
Munguia-Steyer, Roberto Doherty, Paul F. Martins, Marcio Sawaya, Ricardo Janini [UNIFESP] |
author2_role |
author author author author |
dc.contributor.institution.none.fl_str_mv |
Universidade Estadual de Campinas (UNICAMP) Univ Nacl Autonoma Mexico Colorado State Univ Universidade de São Paulo (USP) Universidade Federal de São Paulo (UNIFESP) |
dc.contributor.author.fl_str_mv |
Guimaraes, Murilo Munguia-Steyer, Roberto Doherty, Paul F. Martins, Marcio Sawaya, Ricardo Janini [UNIFESP] |
description |
Little is known about vital rates of snakes generally because of the difficulty in collecting data. Here we used a robust design mark-recapture model to estimate survival, behavioral effects on capture probability, temporary emigration, abundance and test the hypothesis of population decline in the golden lancehead pitviper, Bothrops insularis, an endemic and critically endangered species from southeastern Brazil. We collected data at irregular intervals over ten occasions from 2002 to 2010. Survival was slightly higher in the wet season than in the dry season. Temporal emigration was high, indicating the importance of accounting for this parameter both in the sampling design and modeling. No behavioral effects were detected on capture probability. We detected an average annual population decrease (lambda = 0.93, CI = 0.47- 1.38) during the study period, but estimates included high uncertainty, and caution in interpretation is needed. We discuss the potential effects of the illegal removal of individuals and the implications of the vital rates obtained for the future persistence and conservation of this endemic, endangered species. |
publishDate |
2014 |
dc.date.issued.fl_str_mv |
2014-04-22 |
dc.date.accessioned.fl_str_mv |
2016-01-24T14:37:08Z |
dc.date.available.fl_str_mv |
2016-01-24T14:37:08Z |
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info:eu-repo/semantics/publishedVersion |
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info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
Plos One. San Francisco: Public Library Science, v. 9, n. 4, 7 p., 2014. |
dc.identifier.uri.fl_str_mv |
http://repositorio.unifesp.br/handle/11600/37674 http://dx.doi.org/10.1371/journal.pone.0095203 |
dc.identifier.issn.none.fl_str_mv |
1932-6203 |
dc.identifier.file.none.fl_str_mv |
WOS000335240300032.pdf |
dc.identifier.doi.none.fl_str_mv |
10.1371/journal.pone.0095203 |
dc.identifier.wos.none.fl_str_mv |
WOS:000335240300032 |
identifier_str_mv |
Plos One. San Francisco: Public Library Science, v. 9, n. 4, 7 p., 2014. 1932-6203 WOS000335240300032.pdf 10.1371/journal.pone.0095203 WOS:000335240300032 |
url |
http://repositorio.unifesp.br/handle/11600/37674 http://dx.doi.org/10.1371/journal.pone.0095203 |
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eng |
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Public Library Science |
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Public Library Science |
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