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Contribution to Trees Health Assessment Using Infrared Thermography

Author

Listed:
  • Rui Pitarma

    (Research Unit for Inland Development, Polytechnic of Guarda, Avenida Francisco Sá Carneiro 50, 6300-559 Guarda, Portugal)

  • João Crisóstomo

    (Research Unit for Inland Development, Polytechnic of Guarda, Avenida Francisco Sá Carneiro 50, 6300-559 Guarda, Portugal)

  • Maria Eduarda Ferreira

    (Research Unit for Inland Development, Polytechnic of Guarda, Avenida Francisco Sá Carneiro 50, 6300-559 Guarda, Portugal)

Abstract

Trees are essential natural resources for ecosystem balance, regional development, and urban greening. Preserving trees has become a crucial challenge for society. It is common for the use of invasive or even destructive techniques for health diagnosis of these living structures, and interventions after visual inspection. Therefore, the dissemination and implementation of increasingly less aggressive techniques for inspection, analysis and monitoring techniques are essential. The latest high-definition thermal cameras record thermal images of high resolution and sensitivity. Infrared thermography (IRT) is a promising technique for the inspection of trees because the tissue of the sap is practically on the surface of the living structure. The thermograms allow the identification of deteriorated tissues and to differentiate them from healthy tissues, and make an observation of the tree as a functional whole body. The aim of this study is to present, based on differences in the temperatures field given by the thermal images, a qualitative analysis of the status of two different arboreal species, Quercus pyrenaica Willd and Olea europaea L. The results show the IRT as an expeditious, non-invasive and promising technique for tree inspection, providing results that are not possible to reach by other methods and much less by a visual inspection. The work represents a contribution to make IRT a tree decision-making tool on the health status of trees.

Suggested Citation

  • Rui Pitarma & João Crisóstomo & Maria Eduarda Ferreira, 2019. "Contribution to Trees Health Assessment Using Infrared Thermography," Agriculture, MDPI, vol. 9(8), pages 1-14, August.
    • Handle: RePEc:gam:jagris:v:9:y:2019:i:8:p:171-:d:254092
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    References listed on IDEAS

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    1. Shigo, Alex L. & Marx, Harold G., 1977. "Compartmentalization of Decay in Trees," Agricultural Information Bulletins 309547, United States Department of Agriculture, Economic Research Service.
    2. Daniele Vidal & Rui Pitarma, 2019. "Infrared Thermography Applied to Tree Health Assessment: A Review," Agriculture, MDPI, vol. 9(7), pages 1-15, July.
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    Cited by:

    1. Ahmed Kayad & Dimitrios S. Paraforos & Francesco Marinello & Spyros Fountas, 2020. "Latest Advances in Sensor Applications in Agriculture," Agriculture, MDPI, vol. 10(8), pages 1-8, August.

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