What is it about?
We report on how an improved technique to estimate the numbers of tamarins in an area based on playbacks of their long-distance calls revealed that the population has grown significantly over the last 25 years as a result of the conservation efforts. We also summarize how previous conservation activities such as translocations of zoo-born and wild-born animals, habitat management and community participation contributed to this success. We also present the key elements of the strategic plan for futre conservation of this iconic species from Brazil´s Atlantic Forest.
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Photo by Lucy Doran on Unsplash
Why is it important?
One of the goals of conservation of endangered species is to reverse the decline of populations to the point of achieving numbers high enough for the species to survive. Estimating population numbers with some degree of accuracy of forest animals is difficult. We developed a method based on playbacks of long-distance calls that gives a reasonably accurate estimate of the numbers of animals in a forest. We also plan actions using strategic planning and adaptive management to achieve measurable goals that would lead us to the result wanted: a self-sustaining population of 2000 tamarins living in 25000 hectares of protected and connect forest within a multi-use landscape.
Perspectives
This article shows the benefits of a multidisciplinary approach that merges expertise in animal behavior, ecology, threat analysis, social sciences and project management to achieve species and habitat conservation goals in an area where people live and work.
Carlos Ramon Ruiz Miranda
Universidade Estadual do Norte Fluminense Darcy Ribeiro
Read the Original
This page is a summary of: Estimating population sizes to evaluate progress in conservation of endangered golden lion tamarins (Leontopithecus rosalia), PLoS ONE, June 2019, PLOS,
DOI: 10.1371/journal.pone.0216664.
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