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Igor Lima Bretas

University of Florida

PO Box 117165, 201 Stuzin Hall

Gainesville, FL 32610-0496

United States

  • University of Florida

SCHOLARLY PAPERS

5

DOWNLOADS

349

TOTAL CITATIONS

0

Scholarly Papers (5)

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1.

Cactus ( Opuntia Spp.) Land Uses and Methods to Assess Their Carbon Sequestration and Belowground Biomass- a Review

Number of pages: 31 Posted: 18 Jun 2024
Kenneth Tembe Oduor, Jose Dubeux, Igor Lima Bretas and Luana Queiroz
University of Florida, University of Florida, University of Florida and University of Florida
Downloads 103 (674,591)

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Cactus biomass, Carbon stocks, Carbon sink, Climate change

2.

Estimating the Botanical Composition in Grass-Legume Mixed Pastures Using Aerial Multispectral Imagery and Deep Learning

Number of pages: 42 Posted: 03 Feb 2025
Igor Lima Bretas, Zhou Tang, Jose Dubeux, Chang Zhao, Kevin R. Trumpp, Javier P. Acuna, Ian M. Small and Cleber H. L. de Souza
University of Florida, University of Florida, University of Florida, University of Florida, University of Florida, University of Florida, University of Florida and University of Florida
Downloads 77 (823,616)

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convolutional neural networks, grasslands, machine learning, precision livestock farming, remote sensing, unmanned aerial vehicles

3.

Soil Organic Matter Mineralization and Carbon Emission Across Different Land Uses in Coarse-Textured Soils

Number of pages: 32 Posted: 03 Feb 2025
Camila Eduarda Souza de Sousa, Igor Lima Bretas, Luana Queiroz, Liza Garcia Jimenez, Martin Ruiz-Moreno, Beatriz Elisa Bizzuti, Francisco Paulo Amaral Junior, Ana Claudia Ruggieri and Jose Dubeux
affiliation not provided to SSRN, University of Florida, University of Florida, University of Florida, affiliation not provided to SSRN, University of Wisconsin-Madison, affiliation not provided to SSRN, affiliation not provided to SSRN and University of Florida
Downloads 65 (916,100)

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carbon mineralization, organic matter, soil respiration, sandy soil.

4.

Harnessing cactus biomass for biogas and biofertilizer production under temporal fermentation strategies

Downloads 49 (951,658)

Harnessing cactus biomass for biogas and biofertilizer production under temporal fermentation strategies

Number of pages: 34 Posted: 08 Nov 2025
Kenneth Tembe Oduor, Jose Dubeux, Willis O. Owino, Lynn E. Sollenberger, Nicolas DiLorenzo, Adegbola Adesogan, Aurel Siebert, Igor Lima Bretas, Martin Ruiz-Moreno, Marilia A. Bernardini, Luana Queiroz, Kevin R. Trumpp, Javier P. Acuna, Mario A. Lira Junior, Beatriz Elisa Bizzuti and Flavia F. Simili
University of Florida, University of Florida, Jomo Kenyatta University of Agriculture and Technology, University of Florida, affiliation not provided to SSRN, University of Florida, affiliation not provided to SSRN, University of Florida, affiliation not provided to SSRN, affiliation not provided to SSRN, University of Florida, University of Florida, University of Florida, affiliation not provided to SSRN, University of Wisconsin-Madison and affiliation not provided to SSRN
Downloads 49 (1,095,444)

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Bio-energy, Bio-fertilizer, Opuntia, Invasive species, Renewable energy

5.

Mapping Invasive Opuntia Stricta in Kenya's Drylands Using Explainable Machine Learning with Time-Series Remote Sensing and Geographic Context

Number of pages: 42 Posted: 03 Jun 2025
Jiayi Song, Chang Zhao, Kenneth Tembe Oduor, Hao-Yu Liao, Zhou Tang, Igor Lima Bretas, Srikantnag Angondalli Nagaraja, Jose Dubeux, Willis O. Owino and Wei Shao
University of Florida, University of Florida, University of Florida, University of Florida, University of Florida, University of Florida, University of Florida, University of Florida, Jomo Kenyatta University of Agriculture and Technology and University of Florida
Downloads 55 (1,010,164)

Abstract:

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Opuntia stricta, invasive plant species, Sentinel-2 time series, climate seasonality, geographic context, spatial validation, Random Forest-SHAP