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Does increased tree cover in eastern Rwanda result in higher woody biomass availability for energy consumption?

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Titel: Does increased tree cover in eastern Rwanda result in higher woody biomass availability for energy consumption?
Autoren: Uwizeyimana, Valens, Nkurikiye, Jean Bosco, Ruticumugambi, Jean Aimé, Gatesi, Julienne, Mugabowindekwe, Maurice, Bapfakurera, Elias Nelly, Bambe, Jean Claude, Mukuralinda, Athanase, Verbist, Bruno, Muys, Bart
Quelle: Uwizeyimana, V, Nkurikiye, J B, Ruticumugambi, J A, Gatesi, J, Mugabowindekwe, M, Bapfakurera, E N, Bambe, J C, Mukuralinda, A, Verbist, B & Muys, B 2025, ' Does increased tree cover in eastern Rwanda result in higher woody biomass availability for energy consumption? ', Trees, Forests and People, vol. 22, 101045 . https://doi.org/10.1016/j.tfp.2025.101045
Verlagsinformationen: 2025.
Publikationsjahr: 2025
Schlagwörter: Stock trends, Biomass energy, Stock per capita, Cover change
Beschreibung: Tree planting has been promoted for climate change mitigation and as a sustainable solution to meet the growing population's energy demands. This study assesses the woody biomass potential, trends, changes per household, and capita from 2015 to 2021 by evaluating changes in area and stock across forests, shrublands & wooded savanna, and agroforestry. This analysis is based on an inventory of 1429 plots in 2021 and its comparison with the 2015 National Forest Inventory. The total woody biomass stock is 5.6 million m³ in 2021, almost evenly distributed among agroforestry (34.4 %), forest (32.9 %), and shrubland & wooded areas (32.7 %). The overall stock trends resulting from changes in volume and cover reveal a small positive trend. Woody biomass stock increased by 17.3 % in forests and 5.6 % in shrubland & wooded savanna, while it decreased by 22.9 % in agroforestry. The available woody biomass stock has declined from 8 to 6.3 m³ per household and from 1.8 to 1.5 m³ per capita. Similarly, the stock suitable for energy use decreased from 3.7 to 2.9 m³ per household and from 0.8 m³ to 0.7 m³ per capita. Although agroforestry contributes to the production of woody biomass, our findings indicate that the increased energy demand surpasses the growth in tree cover and woody biomass. Agroforestry alone is insufficient to meet this demand; therefore, it is important to promote tree species with strong biomass growth and to invest in alternative energy sources, such as LPG, biogas or solar energy, to reduce reliance on biomass for cooking.
Publikationsart: Article
Dateibeschreibung: application/pdf
Sprache: English
DOI: 10.1016/j.tfp.2025.101045
Zugangs-URL: https://curis.ku.dk/ws/files/514550382/Does_increased_tree_cover_in_eastern_Rwanda_result_in_higher_woody_biomass_availability_for_energy_consumption.pdf
Dokumentencode: edsair.od......2751..e6474abb0208c80f3c9c3208fffc2492
Datenbank: OpenAIRE
Beschreibung
Abstract:Tree planting has been promoted for climate change mitigation and as a sustainable solution to meet the growing population's energy demands. This study assesses the woody biomass potential, trends, changes per household, and capita from 2015 to 2021 by evaluating changes in area and stock across forests, shrublands & wooded savanna, and agroforestry. This analysis is based on an inventory of 1429 plots in 2021 and its comparison with the 2015 National Forest Inventory. The total woody biomass stock is 5.6 million m³ in 2021, almost evenly distributed among agroforestry (34.4 %), forest (32.9 %), and shrubland & wooded areas (32.7 %). The overall stock trends resulting from changes in volume and cover reveal a small positive trend. Woody biomass stock increased by 17.3 % in forests and 5.6 % in shrubland & wooded savanna, while it decreased by 22.9 % in agroforestry. The available woody biomass stock has declined from 8 to 6.3 m³ per household and from 1.8 to 1.5 m³ per capita. Similarly, the stock suitable for energy use decreased from 3.7 to 2.9 m³ per household and from 0.8 m³ to 0.7 m³ per capita. Although agroforestry contributes to the production of woody biomass, our findings indicate that the increased energy demand surpasses the growth in tree cover and woody biomass. Agroforestry alone is insufficient to meet this demand; therefore, it is important to promote tree species with strong biomass growth and to invest in alternative energy sources, such as LPG, biogas or solar energy, to reduce reliance on biomass for cooking.
DOI:10.1016/j.tfp.2025.101045