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Conventional tree height–diameter relationships significantly overestimate aboveground carbon stocks in the Central Congo Basin

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Abstract
Policies to reduce emissions from deforestation and forest degradation largely depend on accurate estimates of tropical forest carbon stocks. Here we present the first field-based carbon stock data for the Central Congo Basin in Yangambi, Democratic Republic of Congo. We find an average aboveground carbon stock of 162 +/- 20 Mg C ha(-1) for intact old-growth forest, which is significantly lower than stocks recorded in the outer regions of the Congo Basin. The best available tree height-diameter relationships derived for Central Africa do not render accurate canopy height estimates for our study area. Aboveground carbon stocks would be overestimated by 24% if these inaccurate relationships were used. The studied forests have a lower stature compared with forests in the outer regions of the basin, which confirms remotely sensed patterns. Additionally, we find an average soil carbon stock of 111 +/- 24 Mg C ha(-1), slightly influenced by the current land-use change.
Keywords
CENTRAL-AFRICA, LANDSCAPE-SCALE, TROPICAL FORESTS, LIVE BIOMASS, LAND-USE, CLIMATE, DEFORESTATION, EMISSIONS, IMPACTS, REGIONS

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Chicago
Kearsley, Elizabeth, Thales de Haulleville, Koen Hufkens, Alidé Kidimbu, Benjamin Toirambe, Geert Baert, Dries Huygens, et al. 2013. “Conventional Tree Height–diameter Relationships Significantly Overestimate Aboveground Carbon Stocks in the Central Congo Basin.” Nature Communications 4.
APA
Kearsley, E., de Haulleville, T., Hufkens, K., Kidimbu, A., Toirambe, B., Baert, G., Huygens, D., et al. (2013). Conventional tree height–diameter relationships significantly overestimate aboveground carbon stocks in the Central Congo Basin. NATURE COMMUNICATIONS, 4.
Vancouver
1.
Kearsley E, de Haulleville T, Hufkens K, Kidimbu A, Toirambe B, Baert G, et al. Conventional tree height–diameter relationships significantly overestimate aboveground carbon stocks in the Central Congo Basin. NATURE COMMUNICATIONS. 2013;4.
MLA
Kearsley, Elizabeth, Thales de Haulleville, Koen Hufkens, et al. “Conventional Tree Height–diameter Relationships Significantly Overestimate Aboveground Carbon Stocks in the Central Congo Basin.” NATURE COMMUNICATIONS 4 (2013): n. pag. Print.
@article{4117515,
  abstract     = {Policies to reduce emissions from deforestation and forest degradation largely depend on accurate estimates of tropical forest carbon stocks. Here we present the first field-based carbon stock data for the Central Congo Basin in Yangambi, Democratic Republic of Congo. We find an average aboveground carbon stock of 162 +/- 20 Mg C ha(-1) for intact old-growth forest, which is significantly lower than stocks recorded in the outer regions of the Congo Basin. The best available tree height-diameter relationships derived for Central Africa do not render accurate canopy height estimates for our study area. Aboveground carbon stocks would be overestimated by 24\% if these inaccurate relationships were used. The studied forests have a lower stature compared with forests in the outer regions of the basin, which confirms remotely sensed patterns. Additionally, we find an average soil carbon stock of 111 +/- 24 Mg C ha(-1), slightly influenced by the current land-use change.},
  articleno    = {2269},
  author       = {Kearsley, Elizabeth and de Haulleville, Thales and Hufkens, Koen and Kidimbu, Alid{\'e} and Toirambe, Benjamin and Baert, Geert and Huygens, Dries and Kebede, Yodit and Defourny, Pierre and Bogaert, Jan and Beeckman, Hans and Steppe, Kathy and Boeckx, Pascal and Verbeeck, Hans},
  issn         = {2041-1723},
  journal      = {NATURE COMMUNICATIONS},
  keyword      = {CENTRAL-AFRICA,LANDSCAPE-SCALE,TROPICAL FORESTS,LIVE BIOMASS,LAND-USE,CLIMATE,DEFORESTATION,EMISSIONS,IMPACTS,REGIONS},
  language     = {eng},
  pages        = {8},
  title        = {Conventional tree height--diameter relationships significantly overestimate aboveground carbon stocks in the Central Congo Basin},
  url          = {http://dx.doi.org/10.1038/ncomms3269},
  volume       = {4},
  year         = {2013},
}

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