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Identifying Suitable Habitats for the Reintroduction of Capuchin Monkeys (Sapajus libidinosus) in Northeastern Brazil’s Caatinga Biome

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Abstract

Many primate species are threatened by the pet trade, and rehabilitated monkeys require suitable habitats for release back into the wild. The process of identifying suitable release sites involves finding areas with adequate resources and minimizing negative impacts on resident species and human populations. To address this challenge, this study was designed to identify and map suitable areas for the reintroduction of bearded capuchin monkeys (Sapajus libidinosus) into the Caatinga biome in northeastern Brazil. We used a multicriteria decision analysis (MCDA) to identify suitable release areas. Using a species distribution model, we located suitable habitats for seven species of vegetation that are vital resources during the dry season: Syagrus romanzoffiana, Attalea speciosa, Syagrus oleracea, Commiphora leptophloeos, Manihot epruinosa, Pilosocereus pachycladus, and Tacinga inamoena. We then created an MCDA by using vegetation suitability, water availability, proximity to protected areas, and distance from roads and cities as key variables. To increase accessibility, we coded the results into a Google Earth Engine app, allowing for easy and free access to researchers and others interested in capuchin monkey conservation. The resulting suitability maps cover the entire Caatinga biome, providing a valuable tool for conservation efforts by simplifying the initial step of locating potential release sites. This study demonstrates the application of geospatial tools in mapping suitable habitats for the translocation and release of rehabilitated primates at a time when biodiversity loss, the exotic pet trade, land use change, and climate change are threatening nonhuman primates worldwide.

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Acknowledgements

This work was not financially funded. We thank the editor and the two anonymous reviewers for reviewing and improving the manuscript.

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Conceptualization of the study: JD, ST, RF, and AK; Methodology design: JD and AK; Data collection and preparation: JD; Field data collection: RF; Data processing, Analysis and first draft of manuscript: JD; Supervision of research and revision of subsequent drafts of the manuscript: ST, RF, AK.

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Correspondence to Jennifer Donnini.

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Inclusion and Diversity

One or more of the authors of this paper self-identifies as an underrepresented ethnic minority in science. The author list includes a contributor from the location where the research was conducted, who participated in study conception, study design, data collection, analysis, and/or interpretation of the findings.

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Handling Editor: Joanna (Jo) M. Setchell

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Donnini, J., Kross, A., Ferreira, R. et al. Identifying Suitable Habitats for the Reintroduction of Capuchin Monkeys (Sapajus libidinosus) in Northeastern Brazil’s Caatinga Biome. Int J Primatol 45, 439–472 (2024). https://doi.org/10.1007/s10764-023-00412-4

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  • DOI: https://doi.org/10.1007/s10764-023-00412-4

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