High-resolution mapping of forest carbon stocks in the Colombian Amazon

G. P. Asner, J. K. Clark, J. Mascaro, G. A. Galindo García, K. D. Chadwick, D. A. Navarrete Encinales, G. Paez-Acosta, E. Cabrera Montenegro, T. Kennedy-Bowdoin, Á Duque, A. Balaji, P. Von Hildebrand, L. Maatoug, J. F. Phillips Bernal, A. P. Yepes Quintero, D. E. Knapp, M. C. García Dávila, J. Jacobson, M. F. Ordóñez

Research output: Contribution to journalArticle

71 Citations (Scopus)

Abstract

High-resolution mapping of tropical forest carbon stocks can assist forest management and improve implementation of large-scale carbon retention and enhancement programs. Previous high-resolution approaches have relied on field plot and/or light detection and ranging (LiDAR) samples of aboveground carbon density, which are typically upscaled to larger geographic areas using stratification maps. Such efforts often rely on detailed vegetation maps to stratify the region for sampling, but existing tropical forest maps are often too coarse and field plots too sparse for high-resolution carbon assessments. We developed a top-down approach for high-resolution carbon mapping in a 16.5 million ha region (> 40%) of the Colombian Amazon - a remote landscape seldom documented. We report on three advances for large-scale carbon mapping: (i) employing a universal approach to airborne LiDAR-calibration with limited field data; (ii) quantifying environmental controls over carbon densities; and (iii) developing stratification- and regression-based approaches for scaling up to regions outside of LiDAR coverage. We found that carbon stocks are predicted by a combination of satellite-derived elevation, fractional canopy cover and terrain ruggedness, allowing upscaling of the LiDAR samples to the full 16.5 million ha region. LiDAR-derived carbon maps have 14% uncertainty at 1 ha resolution, and the regional map based on stratification has 28% uncertainty in any given hectare. High-resolution approaches with quantifiable pixel-scale uncertainties will provide the most confidence for monitoring changes in tropical forest carbon stocks. Improved confidence will allow resource managers and decision makers to more rapidly and effectively implement actions that better conserve and utilize forests in tropical regions.

Original languageEnglish (US)
Pages (from-to)2683-2696
Number of pages14
JournalBiogeosciences
Volume9
Issue number7
DOIs
StatePublished - Jul 30 2012
Externally publishedYes

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carbon sinks
lidar
carbon
tropical forests
uncertainty
tropical forest
stratification
application coverage
sampling
forest management
top-down approach
tropics
managers
upscaling
calibration
tropical region
canopy
vegetation
monitoring
pixel

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Earth-Surface Processes

Cite this

Asner, G. P., Clark, J. K., Mascaro, J., Galindo García, G. A., Chadwick, K. D., Navarrete Encinales, D. A., ... Ordóñez, M. F. (2012). High-resolution mapping of forest carbon stocks in the Colombian Amazon. Biogeosciences, 9(7), 2683-2696. https://doi.org/10.5194/bg-9-2683-2012

High-resolution mapping of forest carbon stocks in the Colombian Amazon. / Asner, G. P.; Clark, J. K.; Mascaro, J.; Galindo García, G. A.; Chadwick, K. D.; Navarrete Encinales, D. A.; Paez-Acosta, G.; Cabrera Montenegro, E.; Kennedy-Bowdoin, T.; Duque, Á; Balaji, A.; Von Hildebrand, P.; Maatoug, L.; Phillips Bernal, J. F.; Yepes Quintero, A. P.; Knapp, D. E.; García Dávila, M. C.; Jacobson, J.; Ordóñez, M. F.

In: Biogeosciences, Vol. 9, No. 7, 30.07.2012, p. 2683-2696.

Research output: Contribution to journalArticle

Asner, GP, Clark, JK, Mascaro, J, Galindo García, GA, Chadwick, KD, Navarrete Encinales, DA, Paez-Acosta, G, Cabrera Montenegro, E, Kennedy-Bowdoin, T, Duque, Á, Balaji, A, Von Hildebrand, P, Maatoug, L, Phillips Bernal, JF, Yepes Quintero, AP, Knapp, DE, García Dávila, MC, Jacobson, J & Ordóñez, MF 2012, 'High-resolution mapping of forest carbon stocks in the Colombian Amazon', Biogeosciences, vol. 9, no. 7, pp. 2683-2696. https://doi.org/10.5194/bg-9-2683-2012
Asner GP, Clark JK, Mascaro J, Galindo García GA, Chadwick KD, Navarrete Encinales DA et al. High-resolution mapping of forest carbon stocks in the Colombian Amazon. Biogeosciences. 2012 Jul 30;9(7):2683-2696. https://doi.org/10.5194/bg-9-2683-2012
Asner, G. P. ; Clark, J. K. ; Mascaro, J. ; Galindo García, G. A. ; Chadwick, K. D. ; Navarrete Encinales, D. A. ; Paez-Acosta, G. ; Cabrera Montenegro, E. ; Kennedy-Bowdoin, T. ; Duque, Á ; Balaji, A. ; Von Hildebrand, P. ; Maatoug, L. ; Phillips Bernal, J. F. ; Yepes Quintero, A. P. ; Knapp, D. E. ; García Dávila, M. C. ; Jacobson, J. ; Ordóñez, M. F. / High-resolution mapping of forest carbon stocks in the Colombian Amazon. In: Biogeosciences. 2012 ; Vol. 9, No. 7. pp. 2683-2696.
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