Geographical Distribution of Woody Biomass Carbon in Tropical Africa: An Updated Database for 2000

Gibbs, Holly K.; Brown, S.

doi:10.3334/cdiac/lue.ndp055.2007

Cited by 16 publications

(13 citation statements)

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“…The average AGC (116.46 t C ha −1 ) of the current finding is greater than tropical (45.45 t C ha −1 ) and regional (58.9 t C ha −1 ) estimates [43,92]. On the other hand, all recently assessed forests in Ethiopia exhibited higher aboveground, root, and litter carbon stock compared to the finding of the current study [87][88][89][90][91].…”

Section: Biomass Carbon Stockcontrasting

confidence: 54%

Carbon stock under major land use/land cover types of Hades sub-watershed, eastern Ethiopia

Toru

Kibret

2019

Carbon Balance Manage

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Background: Developing land management scenarios that have the potential to sequester carbon and reduce greenhouse gasses (GHG) emission on a sustainable basis entails quantifying the current carbon stock under different land uses. In light of this, a study was conducted in Hades sub-watershed, eastern Ethiopia, to explore the carbon stock under four major land uses: natural forest, coffee agroforestry, grazing land and cropland, involving samples from four carbon pools: aboveground, belowground, litter, and soil. To this end, vegetation and soil samples were collected from the respective land uses following recommended procedures. Results:The results indicate that organic carbon concentration decreased with soil depth though substantial amount of carbon was found in the lower soil depths under land use with woody perennials. The mean total organic carbon stock ranged from 138.95 t ha −1 in the cropland to 496.26 t ha −1 in the natural forest. The soil organic carbon stock was found to be relatively higher than that of the vegetation carbon stock in the natural forest and coffee agroforestry land uses. Conclusion:This study highlights the importance of assessing watershed level carbon stock for better and carbon friendly land use decision making. Land uses with woody perennials have high carbon stock than those without. Hence, conservation-based production systems with inclusion of woody perennials are options suggested to enhance carbon sequestration in the sub watershed.

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Section: Biomass Carbon Stockcontrasting

confidence: 54%

Carbon stock under major land use/land cover types of Hades sub-watershed, eastern Ethiopia

Toru

Kibret

2019

Carbon Balance Manage

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“…The average AGB carbon in Gedo forest (281 t C ha -1 ) was much more than that of previous estimates about 45.45 t C ha -1 for forests of Ethiopia [16], and 193.64 t C ha -1 for evergreen forest [23]. 143 ton ha -1 carbon for all types of forest for all sub-Saharan Africa [16,17]; 73t C ha -1 for tropical dry forest [15] and 58.9 t C ha -1 for eastern and southern Africa forests [18].Gedo forest was also compared with other Dry Evergreen Afromontane forests of Ethiopia (Egdu forest, Chilimo forest, Menagesha Suba state forest and Danaba community forest) based on similarities in agro ecological condition and species composition for their carbon storage capacity (table 5). The AGB and BGB carbon mean of the present study was more than all compared forests and close to Danaba community forest mean result.…”

Section: Discussionmentioning

confidence: 74%

Carbon Stock Analysis Along Altitudinal Gradient in Gedo Forest: Implications for Forest Management and Climate Change Mitigation

Yohannes¹,

Soromessa²,

Argaw³

2015

AJEP

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Forests provide important ecological and environmental benefits. They serve as natural sinker of atmospheric CO 2 to mitigate climate change. In Ethiopia although, there is significant forest resource, the studies on carbon stock potential and factors that affect this potential have not been well studied. This study was done with the aim of estimating carbon stock potential and related factors that affect carbon sequestration in Gedo forest. Data was collected from 10m x 20m plot along transect in systematically stratified forest part. The forest had total mean carbon stock of 523.64 ± 29 ton ha -1 with aboveground biomass (281 ± 23.34 t C ha -1 )and belowground biomass 56.1 ± 4.66 t C ha -1 ), litter biomass (0.41 ± 0.008 t C ha -1 ), deadwood biomass (2.37 ± 1.33 t C ha -1 ) and soil organic carbon (183.69 ± 6.17 t C ha -1 ). Spatial distribution of the carbon stock varied along environmental gradient. Altitude has inverse relation with aboveground biomass, belowground biomass, deadwood carbon and total carbon density. Altitude also has significant effect on all carbon pool except litter biomass and soil organic carbon. More aboveground biomass, belowground biomass and total carbon were found in the middle altitude and lower carbon was found in the upper altitude. Soil organic carbon and litter biomass carbon decreases with altitude. Deadwood biomass carbon pool was found only in lower altitude. Based on overall result it is concluded carbon sequestration in a forest ecosystem is determined by altitudinal gradient.

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“…The above maps were derived as a function of degradation ratio (DR) and potential biomass density obtained from climate, soil, topographic, and land-use information using rule-based GIS models [55][56][57][58]. Potential biomass was calculated based on land cover data, while the DR was closely correlated with population density.…”

Section: Tropical Africa and Southeast Asia 1980 And 2000 Forest Biommentioning

confidence: 99%

A Review of Regional and Global Gridded Forest Biomass Datasets

2019

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Forest biomass quantification is essential to the global carbon cycle and climate studies. Many studies have estimated forest biomass from a variety of data sources, and consequently generated some regional and global maps. However, these forest biomass maps are not well known and evaluated. In this paper, we reviewed an extensive list of currently available forest biomass maps. For each map, we briefly introduced the data sources, the algorithms used, and the associated uncertainties. Large-scale biomass datasets were compared across Europe, the conterminous United States, Southeast Asia, tropical Africa and South America. Results showed that these forest biomass datasets were almost entirely inconsistent, particularly in woody savannas and savannas across these regions. The uncertainties in biomass maps could be from a variety of sources including the chosen allometric equations used to calculate field data, the choice and quality of remotely sensed data, as well as the algorithms to map forest biomass or extrapolation techniques, but these uncertainties have not been fully quantified. We suggested the future directions for generating more accurate large-scale forest biomass maps should concentrate on the compilation of field biomass data, novel approaches of forest biomass mapping, and comprehensively addressing the accuracy of generated biomass maps.

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Geographical Distribution of Woody Biomass Carbon in Tropical Africa: An Updated Database for 2000

Cited by 16 publications

References 0 publications

Carbon stock under major land use/land cover types of Hades sub-watershed, eastern Ethiopia

Carbon stock under major land use/land cover types of Hades sub-watershed, eastern Ethiopia

Carbon Stock Analysis Along Altitudinal Gradient in Gedo Forest: Implications for Forest Management and Climate Change Mitigation

A Review of Regional and Global Gridded Forest Biomass Datasets

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