Diagnostic of the impact of fires on macro habitat in the PRNH SESC Pantanal from the point of view of multispectral data obtained by RPAS/drone
DOI:
https://doi.org/10.37002/biodiversidadebrasileira.v14i4.2570Keywords:
Wetlands , remote sensing, high resolution, temporal analysisAbstract
The year 2020 was impactful due to the high intensity of fires that occurred in the Pantanal. In this way, efforts were created in the most varied fields of knowledge to analyze and diagnose the causes and consequences in the
environment. Considering the innovation with the use of multispectral sensors integrated into RPAS, this work aimed to monitor and temporally map existing macro habitat in the PRNH SESC Pantanal, allowing the characterization of
vegetation coverage and the severity caused by the fires that occurred in 2020. Three areas with distinct macro habitat were mapped for the years 2019, 2020 and 2021, using the Micasense Altum multispectral camera and advanced processing methods. The Area 3 – Campina, had the highest level of severity in the impact of the fires, followed by Area 1 – Mata Seca with Tabocal with Campina and Area 2 – Mata Seca with Acuri. The most affected macro habitat were Tabocal and Campina, where with thermal data information was obtained on temperatures in degrees Celsius above 65ºC in the areas affected after the fire. Studies using calibrated data with high spatial and spectral resolution are fundamental for the complete radiography of natural environments, especially humid areas that are
highly sensitive. The results obtained allow better management of the reserve and effective results for state and federal environmental agencies regarding the
impacts of fires in the Pantanal biome, allowing subsidizing actions aimed at the conservation of Wetlands.
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