Biomass, carbon stocks estimation and predictive modeling in mango based land uses on degraded lands in Indian Sub-Himalayas
A. C. RathoreHarsh MehtaSadikul IslamP. L. SarojN. K. SharmaJ. JayaprakashA. K. GuptaR. K. DubeyB.N. GhoshRam PrasadDinesh KumarA. Raizada
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Roadside trees are effective natural solutions for mitigating climate change. Despite the usefulness of trees to carbon sequestration, there is a dearth of information on the estimation of biomass and carbon stock for roadside trees in the study area. This study aimed to estimate the carbon stock and carbon dioxide equivalent of roadside trees. A complete enumeration of trees was carried out in Kétou, Pobè and Sakété within the communes of the Plateau Department, Bénin Republic. Total height and diameter at breast height were measured from trees along the roads while individual wood density value was obtained from wood density database. The allometric method of biomass estimation was adopted for the research. The results showed that the total estimations for above-ground biomass, carbon stock and carbon equivalent from all the enumerated roadside trees were 154.53 mt, 72.63 mt and 266.55 mt, respectively. The results imply that the roadside trees contain a substantial amount of carbon stock that can contribute to climate change mitigation through carbon sequestration.
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To estimate carbon stock changes to the year 2050 in Guizhou Province,area and tree species data from 2000 to 2007 for Guizhou's Grain for Green Programs (GGP) were collected,and six possible scenarios of annual area for the period 2008 to 2010 were set up. Based on National Forest Inventory data,growth curves for the main tree species planted in the GGP were derived,then growth curves were used to establish calculating model for carbon stocks in combination with biomass expansion factors (BEF),wood density(WD),and carbon fractions(CF). Results showed that carbon stock(in Tg) of GGP forests in Guizhou would be:15.013 ～ 15.585 in 2010,33.421 ～ 41.296 in 2020,40.755 ～ 56.224 in 2030,41.640 ～ 66.111 in 2040,and 47.314 ～ 71.252 in 2050. Thus,the carbon sequestration potential up to the year 2050 is considerable.
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BIOMASS, CARBON STOCK AND CARBON SEQUESTRATION IN AN AGE SERIES OF TEAK PLANT PLANTATION IN TROPICAL ENVIRONMENT
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This study was conducted to quantify the contribution of the plantations and natural forests in Tropical Forest Research Institute (TFRI) Jabalpur campus towards carbon sequestration. The standing carbon stock and annual sequestration for the years 2015, 2016 and 2017 were calculated in natural vegetation and plantations present in TFRI premises. A total of 42 quadrats of 10m × 10m area were laid out in the study area in which a total of 436 individuals of trees belonging to 28 different species were present. The carbon stock in plantations and natural forest was calculated to be 75.31 t/ha and 76.34 t/ha respectively during 2015, which enhanced to 79.99 t/ha and 82.17 t/ha in 2016 and 82.37 t/ha and 85.49t/ha in 2017. Carbon sequestered by trees in plantations was found to be more than natural forest annually. Keeping in view the global concern towards carbon sequestration and its mitigating role in climate change, present study was undertaken to assess carbon stocks and annual sequestration in the tree plantations raised in the TFRI campus.
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Abstract This study aimed to determine the biomass potential of Trigona sp honey bees in Bontotiro subdistrict as well as its carbon stock and carbon sequestration. The research was carried out for two months starting from May to June 2021, located in the sub district of Bontotiro, district of Bulukumba. The biomass measurement was carried out by making 11 plots with a size of 20 x 20 for the tree level, 10 m x 10 m for the poles level, and 5 m x 5 m for the sapling level. Tree biomass was calcula ted using allometric equations. Measurement of carbon stocks was carried out by multiplying the total biomass with the percentage value of carbon content of 0.47, while the carbon sequestration was calculated by multiplying the average annual growth of biomass with the conversion rate of 1.4667 obtained from the photosynthesis equation. The results showed that the potential of biomass of tree, poles, and sapling levels were 4.5, 1.4, and 0.3 tons/year, respectively. The carbon stocks of the tree, poles, and sapling levels were 68.6, 13.7, and 1.8 tons/year, respectively. The carbon sequestration of the tree, poles, and sapling were 6.6, 2.1, and 0.56 tons/year, respectively.
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