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New populations of pampas deer Ozotoceros bezoarticus discovered in threatened Amazonian savannah enclaves

  • Daniel G. Rocha (a1), Alexandre Vogliotti (a2), Diogo M. Gräbin (a3), Wilhan R. C. Assunção (a4), Bruno Contursi Cambraia (a4), Ana Rafaela D'Amico (a4), Antonio Elson Portela (a4) and Rahel Sollmann (a5)...

Abstract

The savannah enclaves (i.e. patches) in the southern Brazilian Amazonia are among the most threatened and poorly surveyed sites in Amazonia. As part of an extensive mammal survey, we set camera traps in three of these savannah enclaves. We obtained 23 independent records of pampas deer Ozotoceros bezoarticus, a medium sized Neotropical cervid that is strongly associated with open habitats and categorized as Vulnerable on the Brazilian Red List of threatened species. These savannah enclaves with confirmed populations of pampas deer lie outside the species’ previously presumed historical range and are at least 350 km from any known extant population. Together, these savannah enclaves add c. 4,000 km2 to the pampas deer's currently known range. The small pampas deer populations in these enclaves are probably isolated by a matrix of Amazon forest, raising questions about spatial genetic structure and meta-population dynamics, and making them vulnerable to local extinction. We highlight the need for further studies, particularly genetic, to assess the conservation status of these populations, the results of which could potentially inform management decisions in other areas of the heavily fragmented range of this species.

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Copyright

Corresponding author

(Corresponding author) E-mail rochadg.bio@gmail.com

Footnotes

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Also at: Grupo de Pesquisa em Ecologia e Conservação de Felinos na Amazônia, Instituto de Desenvolvimento Sustentável Mamirauá, Tefé, Brazil

Also at: Programa de Pós Graduação em Ecologia e Conservação da Biodiversidade, Universidade Estadual de Santa Cruz, Ilhéus, Brazil

Supplementary material for this article is available at https://doi.org/10.1017/S0030605318001539

Footnotes

References

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Rocha et al. supplementary material
Rocha et al. supplementary material 1

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