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Application of remote sensing to analyze the loss of natural vegetation in the Jalapão Mosaic (Brazil) before and after the creation of protected area (1970–2018)

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Abstract

This study aims to map the changes in land use and land cover between 1970 and 2018, analyzing the influence of the protected area s (PAs) in the Cerrado biome, specifically in the area of the Jalapão Mosaic. Images from the Landsat 1-MSS, 5-TM, and 8-OLI satellites were used and processed in SPRING and ArcGIS software. The analyses were based on three approaches: (1) the boundary of the Jalapão Mosaic, (2) the PAs, and (3) a comparison between the PAs and their surroundings. The Jalapão Mosaic results demonstrated that 26% (≅ 8410 km2) of the area was burned, and 15.5% (4971 km2) was anthropized in at least one of the analyzed periods. Among the PAs, the Serra Geral do Tocantins Ecological Station (Integral Protection) presented the largest burned area (43.7% ≅ 3095 km2); however, there was no significant increase in the anthropized areas due to fire. Meanwhile, the anthropized areas in the Rio Preto and Serra da Tabatinga Environmental Protection Areas (Sustainable Use) increased by 27.5% and by 75%, respectively, due to agricultural expansion. By analyzing the two groups of PAs and their surroundings, it was observed that the loss of natural vegetation was restrained and fires were less intense in the Integral Protection Units; in the Sustainable Use Units, there was a significant increase in the anthropized areas. Furthermore, over 70% of the anthropized areas occurred in the surrounding areas, thus showing the importance of creating PAs.

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Data availability

The data used in the present study are available on the websites: Landsat images — https://store.usgs.gov/, fire focuses and scars — https://queimadas.dgi.inpe.br/queimadas/portal, and water bodies — https://mapbiomas.org/. The data generated that support the results of the study are available in the article.

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Acknowledgements

We are grateful for the support and guidance received during this research project from a number of leaders at the ECOMETRICA and the Foundation for Science, Technology and Space Applications (FUNCATE) for the administrative support.

Funding

This study had support from the Forests 2020 project, part of the UK Space Agency’s International Partnership Programme (IPP), funded by the UK’s Global Challenges Research Fund (GCRF). The authors also received the support of FAPESP through the project 17/22269–2.

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Correspondence to Fabrícia Cristina Santos.

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Santos, F.C., da Silva Pinto Vieira, R.M., Barbosa, A.A. et al. Application of remote sensing to analyze the loss of natural vegetation in the Jalapão Mosaic (Brazil) before and after the creation of protected area (1970–2018). Environ Monit Assess 194, 201 (2022). https://doi.org/10.1007/s10661-021-09651-5

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  • DOI: https://doi.org/10.1007/s10661-021-09651-5

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