Contribution of aboveground and belowground biomass of Robinia pseudoacacia trees to total plant carbon stocks in a young agroforestry system
Abstract
Allocation to aboveground and belowground compartments of tree biomass in Mediterranean agroforestry systems (AFS) is poorly documented, especially for young trees. This work aimed at (i) characterizing the effects of land use (Agroforestry, AF vs. Tree Plantation, TP) on 5-year-old black locust tree growth, tree biomass allocation, and tree C stocks at plot scale, and (ii) assessing the effect of land use on total carbon stocks (AF vs. TP vs. Crop Monoculture). Allometric equations were built for upscaling tree biomass at the plot scale. Biomass of understory vegetation and crops were estimated at the plot scale in the three land uses. Tree diameter was 19 % higher in the AF than in TP, likely due to different light microclimate, while tree height did not vary significantly between land uses. Tree biomass allocation to aboveground and belowground compartments (70 % and 30 % of total tree biomass, respectively) did not vary between land uses. Higher efficiency in building tree carbon stock was shown in agroforestry than in tree plantation per area unit. Trees accounted for 39 % and 66 % of total carbon stocks in biomass in AF and TP, respectively. Understory vegetation accounted for 8 % and 34 % of total carbon stocks in biomass in AF and TP, respectively. Land equivalent ratio values, which involved tree, crop and understory vegetation carbon stocks, did not yet indicate a synergetic effect on accumulation of plant carbon compared to sole crop or tree plantations. This study provides new reference values of carbon stocks in biomass in a young AFS.
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BibTeX
@article{martinblangy2026contribution,
title = {{Contribution of aboveground and belowground biomass of Robinia pseudoacacia trees to total plant carbon stocks in a young agroforestry system}},
author = {Soline Martin-Blangy and Christophe Jourdan and Isabelle Bertrand and Marion Forest and Ezzeddine Abbessi and Rémi Dugué and Gabin Piton and Jérome Ngao},
journal = {Agricultural and Forest Meteorology},
year = {2026},
month = sep,
doi = {10.1016/j.agrformet.2025.110749},
url = {https://hal.science/hal-05266089v1},
note = {CC BY-NC-ND 4.0},
}
RIS
TY - JOUR
TI - Contribution of aboveground and belowground biomass of Robinia pseudoacacia trees to total plant carbon stocks in a young agroforestry system
AU - Soline Martin-Blangy
AU - Christophe Jourdan
AU - Isabelle Bertrand
AU - Marion Forest
AU - Ezzeddine Abbessi
AU - Rémi Dugué
AU - Gabin Piton
AU - Jérome Ngao
PY - 2026
DA - 2026/09/08
JO - Agricultural and Forest Meteorology
DO - 10.1016/j.agrformet.2025.110749
UR - https://hal.science/hal-05266089v1
AB - Allocation to aboveground and belowground compartments of tree biomass in Mediterranean agroforestry systems (AFS) is poorly documented, especially for young trees. This work aimed at (i) characterizing the effects of land use (Agroforestry, AF vs. Tree Plantation, TP) on 5-year-old black locust tree growth, tree biomass allocation, and tree C stocks at plot scale, and (ii) assessing the effect of land use on total carbon stocks (AF vs. TP vs. Crop Monoculture). Allometric equations were built for upscaling tree biomass at the plot scale. Biomass of understory vegetation and crops were estimated at the plot scale in the three land uses. Tree diameter was 19 % higher in the AF than in TP, likely due to different light microclimate, while tree height did not vary significantly between land uses. Tree biomass allocation to aboveground and belowground compartments (70 % and 30 % of total tree biomass, respectively) did not vary between land uses. Higher efficiency in building tree carbon stock was shown in agroforestry than in tree plantation per area unit. Trees accounted for 39 % and 66 % of total carbon stocks in biomass in AF and TP, respectively. Understory vegetation accounted for 8 % and 34 % of total carbon stocks in biomass in AF and TP, respectively. Land equivalent ratio values, which involved tree, crop and understory vegetation carbon stocks, did not yet indicate a synergetic effect on accumulation of plant carbon compared to sole crop or tree plantations. This study provides new reference values of carbon stocks in biomass in a young AFS.
SN - 0168-1923
ER -