Forest Science and Technology

Korean Society of Forest Science (한국산림과학회)
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Spatial and temporal dynamic of land-cover/land-use and carbon stocks in Eastern Cameroon: a case study of the teaching and research forest of the University of Dschang

  • Temgoua, Lucie Felicite (Department of Forestry, Faculty of Agronomy and Agricultural Sciences, University of Dschang) ;
  • Solefack, Marie Caroline Momo (Department of Plant Biology, Faculty of Science, University of Dschang) ;
  • Voufo, Vianny Nguimdo (Department of Forestry, Faculty of Agronomy and Agricultural Sciences, University of Dschang) ;
  • Belibi, Chretien Tagne (Department of Forestry, Faculty of Agronomy and Agricultural Sciences, University of Dschang) ;
  • Tanougong, Armand (Department of Forestry, Faculty of Agronomy and Agricultural Sciences, University of Dschang)
  • Received : 2018.05.21
  • Accepted : 2018.08.31
  • Published : 2018.12.31
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Abstract

This study was carried out in the teaching and research forest of the University of Dschang in Belabo, with the aim of analysing land-cover and land-use changes as well as carbon stocks dynamic. The databases used are composed of three Landsat satellite images (5TM of 1984, 7ETM + of 2000 and 8OLI of 2016), enhanced by field missions. Satellite images were processed using ENVI and ArcGIS software. Interview, focus group discussion methods and participatory mapping were used to identify the activities carried out by the local population. An inventory design consisting of four transects was used to measure dendrometric parameters and to identify land-use types. An estimation of carbon stocks in aboveground and underground woody biomass was made using allometric models based on non-destructive method. Dynamic of land-cover showed that the average annual rate of deforestation is 0.48%. The main activities at the base of this change are agriculture, house built-up and logging. Seven types of land-use were identified; adult secondary forests (64.10%), young secondary forests (7.54%), wetlands (7.39%), fallows (3.63%), savannahs (9.59%), cocoa farms (4.28%) and mixed crop farms (3.47%). Adult secondary forests had the highest amount of carbon ($250.75\;t\;C\;ha^{-1}$). This value has decreased by more than 60% for mixed crop farms ($94.67\;t\;C\;ha^{-1}$), showing the impact of agricultural activities on both forest cover and carbon stocks. Agroforestry systems that allow conservation and introduction of woody species should be encouraged as part of a participatory management strategy of this forest.

Keywords

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