Aboveground Live Carbon Storage in Woody Agroforestry Systems of Sokoru District, Jimma Zone, Southwest Ethiopia
There is a growing interest in the role of different types of land use systems in stabilizing the atmospheric CO2 concentration, reducing the CO2 emissions and on increasing the carbon sink of forestry and agroforestry systems. Agroforestry has potential to mitigate climate change and help farmers to adapt the impacts of climate change. Different types of agroforestry systems such as homegarden, cropland and pastureland have great role in storing carbon and stabilizing the climate change by absorbing CO2 from the atmosphere. The main objective of this study was to investigate aboveground live carbon storage in agroforestry of Sokoru District, Jimma Zone. The study was conducted from February to May, 2018. Descriptive statistics and one way ANOVA were used to analyze the population density, above ground live biomass, carbon storage, tree height and diameter at breast height and basal area for each tree was calculated. Aboveground live biomass of each tree was determined by using the revised nondestructive equation. The amount of carbon stored in each tree was estimated at 50% of the aboveground live biomass hence 5.54 t, and in homegarden, 9 t in cropland and 3.47 t pastureland carbon was stored. From three land use types the highest amount of carbon was stored in cropland followed by homegarden and pastureland. Eventually, the study revealed that the woody species found in different agroforestry system of the study area have great role in carbon storage and CO2 sequestration. Thus all stakeholders should focus on conservation of trees and shrubs found agricultural landscapes.
Guta Waktole Weyesa,
Aboveground Live Carbon Storage in Woody Agroforestry Systems of Sokoru District, Jimma Zone, Southwest Ethiopia, International Journal of Economy, Energy and Environment.
Vol. 4, No. 1,
2019, pp. 11-17.
Odum, E. P. (1994). Biosphere: Protecting our global environment, 69: 418-419.
Scott, I., Atwell, B. J., Kriedemann, P. E., Turnbull, C. G. N. (1999). Plants in action: Adaptation in nature, performance in cultivation. Ann Bot 84: 685-687.
CIFOR (2011). Distribution and Characteristics of African Dry Forests and Woodlands. The Dry Forests and Woodlands of Africa Managing for Products and Services, London, Washington, DC, Pp. 288.
Poorter, L., Bongers, F. and Lemmens, R. H. (2004). West African forests: introduction. In: Poorter, L., Bongers, F., Kouamé, F. Y. N. and Hawthorne, W. D. Biodiversity of West African Forests, An Ecological Atlas of Woody Plant Species. Oxon and Cambridge UK and USA, Pp. 521.
Unmubig, B. and Cramer, S. (2008). “Africa in Climate Change”. Pp.2.
Brockerhoff, E. G., Jactel H., Parrotta J. A., Quine C. P., Sayer J. (2008). Plantation forests and biodiversity: oxymoron or opportunity? Biodiversity Conservation17:925-951.
Houghton, R. A. (1999). The annual net flux of carbon to the atmosphere from changes in land use 1850-1990. Tellus Series B Chemical and Physical Meteorology51: 298-313.
Bach, W. (1998). Global warming: The complete briefing. Cambridge University Press, International J Climatol18: 579-580.
Bouriaud, O, Breda, N., Le Moguedec, G., Nepveu, G. (2004). Modelling variability of wood density in beech as affected by ring age, radial growth and climate. Trees – Structure and Function18: 264–276.
Litton, C., Raich, J. and Ryan, M. (2007). Carbon allocation in forest ecosystems. Global Change Biology13: 2089–2109.
Sanchez, P., Buresh, R. and Leakey, R. (1997). Trees, soils, and food security. London Biol. 352: 949–961.
Schroth, G. D., Fonseca, G. A. B., Harvey, C. A., Gascon, C. and Vasconcelos, H. A. N. (2004). Agroforestry and Biodiversity Conservation inTropical Landscapes, Island Press, Washington, D. C, USA.
Dawson, I. K., Lengkeek, A., Weber, J. C. and Jamnadass, R. (2009). “Managing genetic variation in tropical trees: linking knowledge with action in agroforestry ecosystems for improved conservation and enhanced livelihoods,” Biodiversity and Conservation. 18 (4): 969–986.
Montagnini, F. and Nair, P. K. R. (2004). Carbon sequestration: An underexploited environmental benefit of agroforestry systems. Agroforestry Systems. 61:281.
Thomson, K. J. (2007). The State of Food and Agriculture 2006: Food Aid for Food Security145: 415.
Kirby, K. R. and Potvin, C. (2007). Variation in carbon storage among tree species: Implications for the management of a small-scale carbon sink project, 246: 208–221.
Baldocchi, D. (2003). Assessing the eddy-covariance technique for evaluating carbon dioxide exchange rates of ecosystems: past, present and future. Global Change Biology 9: 1–14.
Mac Diken K. G. (2011). A Guide to Monitoring Carbon Storage in Forestry and Agroforestry Prooects, Winrock International, Arlington. Va. USA.
Reichstein, M., Ciais, P., Papale, D., Valentini, R., Running, S., Viovy, N., Cramer, W., Granier, A., Ogee, J. and Allard, V. (2007). Reduction of ecosystem productivity and respiration during the European summer 2003 climate anomaly: a joint flux tower, remote sensing and modeling analysis. Global Change Biology, 13: 634–651.
Brown, S. (1996). Present and potential roles of forests in the global climate change debate. Unasylva, 185: 3-10.
Garrity, D. P. (2004). Agroforestry and the achievement of the millennium development goals. Agroforestry System 61: 5-8.
CSA (2010) Results for Oromia Region, (1): Tables 2.1, 2.5, 3.4 (accessed on 13th January 2018).
Mac Diken K. G. (1997). A Guide to Monitoring Carbon Storage in Forestry and Agroforestry Prooects, Winrock International, Arlington. Va. USA.
Phillips, O., Baker, T., Feldpausch, R. and Brienen, T. (2009). Field manual for plot establishment and remeasurement, Pp. 22.
Chave, J., Coomes, D., Jansen, S., Lewis, S. L., Swenson, N. G., Zanne, A. E., (2009). Towards a worldwide wood economics spectrum. Ecol. Lett. 12: 351-366.
Chave. J., Réjou-Méchain, M., Búrquez, A., Chidumayo, E., Colgan, M. S., Delitti W. B. C., Duque, T., Eid, P. M., Fearnside, R. C., Goodman, M., Henry, A., Martínez-Yrízar, W. A., Mugasha, H. C., Muller-Landau, M., Mencuccini, B. W., Nelson, A., Ngomanda, E. M., Nogueira, E., Ortiz-Malavassi, R., Pélissier, P., Ploton, C. M., Ryan, J. G., Saldarriaga, and Vieilledent, G. (2014). Improved allometric models to estimate the aboveground biomass of tropical trees. Global Change Biology, 10: 3177–3190.
Albrecht, A. and Kandji, S. T. (2003). Carbon sequestration in tropical agroforestry systems Agriculture, Ecosystems and Environment, 99: 15-27.
Desalegn Raga and Dereje Denu (2017). Population Density of Cordia africana Lam. across Land Use Gradients in Jimma Highlands, Southwest Ethiopia. International Journal of Sciences:Basic and Applied Research. Vol. 35:2; 61.
Talemos, S. and Sebsebe, D. (2014). Diversity and standing carbon stocks of native agroforestry trees in Wanago district, Ethiopia. Journal of emerging trends in engineering and applied sciences. 5: 125-132.