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How future climate change and deforestation can drastically affect the species of monkeys endemic to the eastern Amazon, and priorities for conservation

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Abstract

The intensive deforestation, together with the projections of climate change, indicates severe effects of human actions on biodiversity in the Amazon, especially on species that depend on forest cover, such as primates. In this research, we identified priority areas for the conservation of 12 primate species endemic to the eastern Amazon. We created habitat suitability models for each species based on climatic conditions and deforestation under current and future scenarios (2050). We compared possible losses or gains of potential distribution areas in the present and future, based on climate change and loss of forest cover. Our results show that 11 of the 12 species could lose an area of climate suitability in the future, and more than 30% of them might lose over 90% of their range. Considering both climate change and deforestation, 8 out of 12 endemic primate species from the eastern Amazon could have their distribution area reduced by over 90% by 2050. About 25% of these species could become extinct in the next 30 years, with a predicted decrease of more than 98% in their distribution. However, this pessimistic scenario could be assuaged with an increase of 2 to 10% of protected areas, placed in specific prioritized areas, as we defined in our study as a high conservation priority, especially in the northeast of the eastern Amazon. The current scenario of devastation in the Amazon needs to be immediately reversed in time to recover native environments that promote the conservation of biodiversity. Our research tries to point out a strategy directed to conserving the Amazon primates and their habitats.

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Fig. 1

(Source: PRODES; available in: http://www.terrabrasilis.dpi.inpe.br/downloads). Highlighted States: AP-Amapá, PA-Pará, MA-Maranhão, TO-Tocantins, MT-Mato Grosso. B Occurrence of 12 endemic primate species from the eastern region of the Amazon biome

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Acknowledgements

To the National Council for Scientific and Technological Development (CNPq) for the research productivity Grant (PQ2-310184/2020-7) for the corresponding author and master’s scholarship granted for the first author. We thank the reviewers for the excellent suggestions that certainly have improved the quality of this manuscript. We also thank Jesse Carlton for proofreading English.

Funding

The first author received a grant from the National Council for Scientific and Technological Development (CNPq) during her academic master’s degree, when she developed this research work. The corresponding author received a research productivity grant (PQ2-310184/2020-7) also from CNPq.

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ACM-O, LBS, RGF and RL contributed to the study, conception and design. Material preparation, data collection and analysis were performed by LBdS, RGF, BRR, DZ and GLO. The first draft of the manuscript was written by LBS and ACM-O and all authors commented on previous versions of the manuscript. GLO played an essential contribution for the second written version. All authors approved the final manuscript.

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Correspondence to Ana Cristina Mendes-Oliveira.

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All authors agreed with the content and all gave explicit consent to submit this manuscript.

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Communicated by Clinton Jenkins.

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da Silva, L.B., Oliveira, G.L., Frederico, R.G. et al. How future climate change and deforestation can drastically affect the species of monkeys endemic to the eastern Amazon, and priorities for conservation. Biodivers Conserv 31, 971–988 (2022). https://doi.org/10.1007/s10531-022-02373-1

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  • DOI: https://doi.org/10.1007/s10531-022-02373-1

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