Population state of black saraguato monkeys (Alouatta pigra) in the Biosphere Reserve of Pantanos de Centla

Authors

  • Gilberto Pozo-Montuy , Conservación de la Biodiversidad del Usumacinta A.C.
    • Maritza J. Miranda-Chan , Academia de Ingeniería Ambiental, TecNM Campus de los Ríos. Km 3 Carretera Balancán-Villahermosa S/N, CP. 86930. Balancán, Tabasco, México.
      • Saul A. de la Cruz-Córdova , Dirección de Investigación Científica y Vinculación Académica, Conservación de la Biodiversidad del Usumacinta A.C.
        • Braulio Pinacho-Guendulain , Departamento de Ciencias de la Salud, Universidad Autónoma Metropolitana, Unidad Lerma

          DOI:

          https://doi.org/10.19136/era.a8nI.2672

          Keywords:

          censo poblacional, habitat, estado de conservación, primates silvestres, áreas naturales protegidas.

          Abstract

          Wildlife conservation requires performing actions based on the
          size, composition, and distribution of their populations. This information, however,
          is incomplete or outdated for many areas of great biological importance. The goal
          of this study was counting the Black saraguatos (Alouatta pigra) in the Biosphere
          Reserve of Pantanos de Centla (BRPC) to determine their population status. The
          Reserve was divided into three zones that were censused in 2015, 2016, and 2018
          by six community monitoring groups. A total of 1 929 saraguatos were counted,
          of which 57 were solitary individuals and the rest of them were grouped into 362
          troops with an average size, and standard deviation, of 4.6 ± 2.6 individuals.
          More than 60% of troops were formed by an adult male, one or more females,
          and immature individuals. The sex ratio between adult males and females was
          1:1.2 and the ratio of immature individuals to adult females was 1:1. These results
          suggest that troop size and composition were representative of the species, while
          population parameters were within the ranges reported for populations in conserved
          and fragmented forests. This is the first complete census carried out in a large and
          difficult to access area, which emphasize the local people involvement as a strategy
          that offers advantages during the primate population censuses.

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          Published

          2021-06-18

          How to Cite

          Pozo-Montuy, G., Miranda-Chan, M. J., de la Cruz-Córdova, S. A. ., & Pinacho-Guendulain, B. (2021). Population state of black saraguato monkeys (Alouatta pigra) in the Biosphere Reserve of Pantanos de Centla. Ecosistemas Y Recursos Agropecuarios, 8(I). https://doi.org/10.19136/era.a8nI.2672

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