Seminar 13 Mar 13 - Session 4 - Who drives deforestation in Kalimantan by DGaveau
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Who drives deforestation in Kalimantan ? The small or the big Dr. David L.A. Gaveau
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This presentation focuses on sharing analysis undertaken on the growth of area cleared for, or planted with industrial plantations from 1975 to 2010 across Indonesian Borneo determined by visual inspection of >182 Landsat images. It also discusses the trajectory of land cover changes before industrial plantations establishment to identify whether plantations have been established on: 1) intact forests, 2) logged forests; 3) very degraded forests; or 4) smallholder agricultural areas. Finally, the proportion of 2000-2010 deforestation (loss of old-growth natural forest cover) caused by industrial plantations and by small farmers is analyzed. The implications of these findings for the large versus small-scale debate will be discussed.
Transcript of Seminar 13 Mar 13 - Session 4 - Who drives deforestation in Kalimantan by DGaveau
Who drives deforestation in Kalimantan ? The small or the big
Dr. David L.A. Gaveau
Preliminary assessment of the contribution of large industries to deforestation - Dataset used for deforestation was generated by Broich and Hansen. It is an annual dataset tree cover loss between 2000-2010 - We transformed the tree loss into loss of natural forest by removing all tree loss Pixels that fell outside of the forest area in year 2000 using a 2000 forest cover Map from MoF - We then only measured the deforestation under forest areas that were developed for industrial plantations (IOPP, ITP and Mining) between 2000-2010. - Because the deforestation dataset is annual, it picks up tree fall from logging and logging roads. But, this not deforestation. This is degradation. We excluded Those degradation pixels if they fell within 700m of logging roads created between 2000-2010
6.5 million ha planted in Indutrial Oil Palm 1 million ha planted in industrial timber plantations 180,000 ha of mining open mining (coal)
1.42 million ha of natural forestLost between 2000-2010 ; 4.2% (0.42 % yr-1) In 1990-2000 about 8 million h lost (5 times higher)
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Industry driven smallholder and fires
El ninio 02-03
El ninio 06-07
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Industry driven
smallholder and fires
1975 forest non forest map
2010 landcover map
Total logged area since the 1970s
6.5 million ha planted in Indutrial Oil Palm 1 million ha planted in industrial timber plantations
1982-83 forest fires
1997-98 forest fires
Thank-you
