Reforestation planning using Bayesian networks

  • Authors:

  • C. Ordóñez Galán;J. M. Matías;T. Rivas;F. G. Bastante

  • Affiliations:

  • Departamento de Ingeniería de los Recursos Naturales y Medio Ambiente, Escuela de Minas, Universidad de Vigo, 36310 Vigo, Spain;Departamento de Estadística, Escuela de Minas, Universidad de Vigo, 36310 Vigo, Spain;Departamento de Ingeniería de los Recursos Naturales y Medio Ambiente, Escuela de Minas, Universidad de Vigo, 36310 Vigo, Spain;Departamento de Ingeniería de los Recursos Naturales y Medio Ambiente, Escuela de Minas, Universidad de Vigo, 36310 Vigo, Spain

  • Venue:
  • Environmental Modelling & Software
  • Year:
  • 2009

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Abstract

The aim of this research was to construct a reforestation model for woodland located in the basin of the river Liebana (NW Spain). This is essentially a pattern recognition problem: the class labels are types of woodland, and the variables for each point are environmental coordinates (referring to altitude, slope, rainfall, lithology, etc.). The model trained using data for existing wooded areas will serve as a guideline for the reforestation of deforested areas. Nonetheless, with a view to tackling reforestation from a more informed perspective, of interest is an interpretable model of relationships existing not just between woodland type and environmental variables but also between and among the environmental variables themselves. For this reason we used Bayesian networks, as a tool that is capable of constructing a causal model of the relationships existing between all the variables represented in the model. The prediction results obtained were compared with those for classical linear techniques, neural networks and support vector machines.