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Related Experiment Video

Updated: Jul 12, 2025

Extracting Metrics for Three-dimensional Root Systems: Volume and Surface Analysis from In-soil X-ray Computed Tomography Data
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Quantifying Soil Complexity Using Fisher Shannon Method on 3D X-ray Computed Tomography Scans.

Domingos Aguiar1, Rômulo Simões Cezar Menezes2, Antonio Celso Dantas Antonino2

  • 1Departamento de Estatística e Informática, Universidade Federal Rural de Pernambuco, Rua Dom Manoel de Medeiros s/n, Dois Irmãos, Recife 52171-900, PE, Brazil.

Entropy (Basel, Switzerland)
|October 28, 2023
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Summary
This summary is machine-generated.

Land use change from native forest to agriculture impacts soil. This study used 3D CT scans and information theory to show Atlantic forest soils are more complex than sugarcane plantation soils.

Keywords:
Fisher Shannon planeX-ray CT scan soil samplescomplexityland use change

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Area of Science:

  • Soil Science
  • Ecology
  • Information Theory

Background:

  • Land use change, particularly forest conversion to agriculture, raises concerns about soil degradation and its impact on soil functions.
  • Understanding the effects of land use change on soil properties is crucial for sustainable land management.

Purpose of the Study:

  • To quantify and compare the complexity of soil structure in native Atlantic forest and sugarcane plantation ecosystems.
  • To assess the utility of information theory-based methods for differentiating soil types based on land use.

Main Methods:

  • Utilized 3D computed tomography (CT) to scan twelve soil samples from a sugarcane plantation and twelve from a nearby native Atlantic forest in Brazil.
  • Applied a modified Fisher-Shannon method, an information theory approach, to quantify the complexity of the 3D soil structures.

Main Results:

  • A clear distinction in soil complexity was observed between the two land use types.
  • The Fisher-Shannon complexity analysis achieved 91.7% accuracy in differentiating between Atlantic forest and sugarcane plantation soil samples.
  • Soils from the native Atlantic forest exhibited significantly higher complexity compared to those from the sugarcane plantation.

Conclusions:

  • The study demonstrates that land use change significantly alters soil structural complexity.
  • The Fisher-Shannon method is a powerful tool for quantifying soil complexity and distinguishing between different land management practices.
  • Preserving native forest ecosystems is vital for maintaining complex and potentially healthier soil structures.