Carbon emissions from forest conversion by Kalimantan oil palm plantations

Kimberly M. Carlson, Lisa M. Curran, Gregory P. Asner, Alice Mc Donald Pittman, Simon N. Trigg, J. Marion Adeney

Research output: Contribution to journalArticle

223 Citations (Scopus)

Abstract

Oil palm supplies >30% of world vegetable oil production1. Plantation expansion is occurring throughout the tropics, predominantly in Indonesia, where forests with heterogeneous carbon stocks undergo high conversion rates2-4. Quantifying oil palm's contribution to global carbon budgets therefore requires refined spatio-temporal assessments of land cover converted to plantations5,6. Here, we report oil palm development across Kalimantan (538,346 km2) from 1990 to 2010, and project expansion to 2020 within government-allocated leases. Using Landsat satellite analyses to discern multiple land covers, coupled with above- and below-ground carbon accounting, we develop the first high-resolution carbon flux estimates from Kalimantan plantations. From 1990 to 2010, 90% of lands converted to oil palm were forested (47% intact, 22% logged, 21% agroforests). By 2010, 87% of total oil palm area (31,640 km2) occurred on mineral soils, and these plantations contributed 61-73% of 1990-2010 net oil palm emissions (0.020-0.024 GtC yr-1). Although oil palm expanded 278% from 2000 to 2010, 79% of allocated leases remained undeveloped. By 2020, full lease development would convert 93,844 km2 (∼ 90% forested lands, including 41% intact forests). Oil palm would then occupy 34% of lowlands outside protected areas. Plantation expansion in Kalimantan alone is projected to contribute 18-22% (0.12-0.15 GtC yr-1) of Indonesia's 2020 CO 2 -equivalent emissions. Allocated oil palm leases represent a critical yet undocumented source of deforestation and carbon emissions.

Original languageEnglish (US)
Pages (from-to)283-287
Number of pages5
JournalNature Climate Change
Volume3
Issue number3
DOIs
StatePublished - Mar 1 2013

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carbon emission
plantation
oil
Indonesia
tropics
vegetables
land cover
budget
oil supply
vegetable oil
carbon budget
carbon
carbon flux
deforestation
Landsat
protected area
lease
mineral

Cite this

Carlson, K. M., Curran, L. M., Asner, G. P., Pittman, A. M. D., Trigg, S. N., & Marion Adeney, J. (2013). Carbon emissions from forest conversion by Kalimantan oil palm plantations. Nature Climate Change, 3(3), 283-287. https://doi.org/10.1038/nclimate1702

Carbon emissions from forest conversion by Kalimantan oil palm plantations. / Carlson, Kimberly M.; Curran, Lisa M.; Asner, Gregory P.; Pittman, Alice Mc Donald; Trigg, Simon N.; Marion Adeney, J.

In: Nature Climate Change, Vol. 3, No. 3, 01.03.2013, p. 283-287.

Research output: Contribution to journalArticle

Carlson, KM, Curran, LM, Asner, GP, Pittman, AMD, Trigg, SN & Marion Adeney, J 2013, 'Carbon emissions from forest conversion by Kalimantan oil palm plantations', Nature Climate Change, vol. 3, no. 3, pp. 283-287. https://doi.org/10.1038/nclimate1702
Carlson KM, Curran LM, Asner GP, Pittman AMD, Trigg SN, Marion Adeney J. Carbon emissions from forest conversion by Kalimantan oil palm plantations. Nature Climate Change. 2013 Mar 1;3(3):283-287. https://doi.org/10.1038/nclimate1702
Carlson, Kimberly M. ; Curran, Lisa M. ; Asner, Gregory P. ; Pittman, Alice Mc Donald ; Trigg, Simon N. ; Marion Adeney, J. / Carbon emissions from forest conversion by Kalimantan oil palm plantations. In: Nature Climate Change. 2013 ; Vol. 3, No. 3. pp. 283-287.
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