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Spectral and Soil Quality Index for Monitoring Environmental Rehabilitation and Soil Carbon Stock in an Amazonian Sandstone Mine

Author

Listed:
  • Paula Godinho Ribeiro

    (Instituto Tecnológico Vale, Rua Boaventura da Silva, 955, Belém 66055-090, PA, Brazil)

  • Gabriel Caixeta Martins

    (Instituto Tecnológico Vale, Rua Boaventura da Silva, 955, Belém 66055-090, PA, Brazil)

  • Markus Gastauer

    (Instituto Tecnológico Vale, Rua Boaventura da Silva, 955, Belém 66055-090, PA, Brazil)

  • Ediu Carlos da Silva Junior

    (Instituto Tecnológico Vale, Rua Boaventura da Silva, 955, Belém 66055-090, PA, Brazil)

  • Diogo Corrêa Santos

    (Instituto Tecnológico Vale, Rua Boaventura da Silva, 955, Belém 66055-090, PA, Brazil)

  • Cecílio Frois Caldeira Júnior

    (Instituto Tecnológico Vale, Rua Boaventura da Silva, 955, Belém 66055-090, PA, Brazil)

  • Rosane Barbosa Lopes Cavalcante

    (Instituto Tecnológico Vale, Rua Boaventura da Silva, 955, Belém 66055-090, PA, Brazil)

  • Douglas Silva dos Santos

    (Instituto Tecnológico Vale, Rua Boaventura da Silva, 955, Belém 66055-090, PA, Brazil)

  • Marco Aurélio Carbone Carneiro

    (Soil Science Department, Federal University of Lavras, Lavras 37200-900, MG, Brazil)

  • Rafael Borges da Silva Valadares

    (Instituto Tecnológico Vale, Rua Boaventura da Silva, 955, Belém 66055-090, PA, Brazil)

  • Wilson da Rocha Nascimento Junior

    (Instituto Tecnológico Vale, Rua Boaventura da Silva, 955, Belém 66055-090, PA, Brazil)

  • Guilherme Oliveira

    (Instituto Tecnológico Vale, Rua Boaventura da Silva, 955, Belém 66055-090, PA, Brazil)

  • Pedro Walfir Martins e Souza Filho

    (Instituto Tecnológico Vale, Rua Boaventura da Silva, 955, Belém 66055-090, PA, Brazil)

  • Silvio Junio Ramos

    (Instituto Tecnológico Vale, Rua Boaventura da Silva, 955, Belém 66055-090, PA, Brazil)

Abstract

Rehabilitation is the key factor for improving soil quality and soil carbon stock after mining operations. Monitoring is necessary to evaluate the progress of rehabilitation and its success, but the use of repeated field surveys is costly and time-consuming at a large scale. This study aimed to monitor the environmental/soil rehabilitation process of an Amazonian sandstone mine by applying spectral indices for predicting soil organic carbon (SOC) stock and comparing them to soil quality index. The studied area has different chronological rehabilitation stages: initial, intermediate, and advanced with 2, 10, and 12 years of onset rehabilitation activities, respectively. Non-rehabilitated (NR) and two native forest areas (RA) were used as controls. Soil samples were analyzed for physical, chemical, and biological attributes. After determination of Normalized Difference Vegetation Index and Bare Soil Index, simple regression analysis comparing these indices with SOC stock showed a good fit (R 2 = 0.82). Rehabilitated areas presented higher soil quality index (~1.50-fold) and SOC stock (~10.6-fold) than NR; however, they did not differ of RA. The use of spectral indices was effective for monitoring the soil quality in this study, with a positive correlation between the predicted SOC stock and the calculated soil quality index.

Suggested Citation

  • Paula Godinho Ribeiro & Gabriel Caixeta Martins & Markus Gastauer & Ediu Carlos da Silva Junior & Diogo Corrêa Santos & Cecílio Frois Caldeira Júnior & Rosane Barbosa Lopes Cavalcante & Douglas Silva , 2022. "Spectral and Soil Quality Index for Monitoring Environmental Rehabilitation and Soil Carbon Stock in an Amazonian Sandstone Mine," Sustainability, MDPI, vol. 14(2), pages 1-16, January.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:2:p:597-:d:718866
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    References listed on IDEAS

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    1. Mihai Buta & Gheorghe Blaga & Laura Paulette & Ioan Păcurar & Sanda Roșca & Orsolya Borsai & Florina Grecu & Pauliuc Ecaterina Sînziana & Cornel Negrușier, 2019. "Soil Reclamation of Abandoned Mine Lands by Revegetation in Northwestern Part of Transylvania: A 40-Year Retrospective Study," Sustainability, MDPI, vol. 11(12), pages 1-18, June.
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    Cited by:

    1. Sidney Vasconcelos do Nascimento & Héctor Herrera & Paulo Henrique de Oliveira Costa & Felipe Costa Trindade & Isa Rebecca Chagas da Costa & Cecílio Frois Caldeira & Markus Gastauer & Silvio Junio Ram, 2022. "Molecular Mechanisms Underlying Mimosa acutistipula Success in Amazonian Rehabilitating Minelands," IJERPH, MDPI, vol. 19(21), pages 1-14, November.

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