Spatial stratification per district to obtain regulated forest in Brazil

Authors

  • Marco Antonio Monte marcomonte@ufrrj.br
    Institute for Forests, Department of Silviculture, Federal Rural University of Rio de Janeiro- UFRRJ
  • Carlos Antonio Alvares Soares Ribeiro caas.ribeiro@gmail.com
    Department of Forestry, Federal University of Viçosa-UFV
  • Gilciano Nogueira Paiva nogueirags@yahoo.com.br
    Department of Forestry, Faculty of Agricultural Sciences, Federal University of the Jequitinhonha and Mucuri Valleys-UFVJM
  • Daniel Henrique Breda Binoti danielhbbinoti@gmail.com
    Department of Forestry and Wood Industrial Engineering, Federal University of Espírito Santo-UFES
  • Antonilmar Araújo Lopes Silva antonilmar.silva@cenibra.com.br
    Celulose Nipo-Brasileira S.A - CENIBRA
  • Maria das Graças Ferreira Reis mgfreis@ufv.br
    Department of Forestry, Federal University of Viçosa-UFV
  • Geraldo Gonçalves Reis greis@ufv.br
    Department of Forestry, Federal University of Viçosa-UFV
  • Alvaro Augusto Vieria Soares alvaroavsoares@gmail.com
    Federal Rural University of the Amazon-UFRA, Campus Parauapebas
  • Helio Garcia Leite hgleite@gmail.com
    Department of Forestry, Federal University of Viçosa-UFV

DOI:

10.34062/afs.v5i1.5614

Keywords:

Forest planning, Linear programming, Social responsibility, Forest management

Abstract

The classic forest regulation model considers the total forest area in order to regulate production to maximize revenue. However, frequently the forest area covers more than one political or socio-economic zoning, such as a district. Taking into account the continuous operation in every one of these zones when optimizing wood harvest and revenue may result in social-economic benefits such as job maintenance and tax collection. Hence, the aim of this study was to assess a regulated forest structure model using the planted area per district as spatial stratification criterion. Three modeling scenarios were established: spatial stratification per district, annual volumetric production per district and the classic total area regulation. All models were formulated under the model 1 of linear programming. An area of 2,191 ha of eucalypt stands, from one to seven years of age, located in three districts in southeastern Brazil, was used to evaluate the proposed scenarios. The optimal solution of the proposed model met the imposed constraints (area, demand and regulation). The stratification per district, under the conditions of the present study, did not reduce net revenue, guaranteed the annual timber supply and resulted in smaller variation in the annual timber volume per district.

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Published

2018-04-01