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Estimation of Carbon sequestration potential of Vegetation under different forest types of Pushkar Valley, Aravalli Region of Rajasthan, India

Author Affiliations

  • 1Department of Environment Science, Central University of Rajasthan, NH 8, Bandar Sindri, Rajasthan, 305817, India
  • 2Department of Environment Science, Central University of Rajasthan, NH 8, Bandar Sindri, Rajasthan, 305817, India

Int. Res. J. Environment Sci., Volume 5, Issue (3), Pages 8-17, March,22 (2016)

Abstract

Forest Vegetation are important sinks of atmospheric carbon and may significantly contribute to mitigation of climate change. The carbon pool in forest vegetation varies depend upon various factors such as plant species, plant age, geographical location and land use changes. To quantify the sequestered C in the forest ecosystem, C pools under various forest types should be assessed. To calculate the above ground and belowground biomass, allometric equations can be used. The objective of this study is to estimate the carbon sequestration potential of vegetation under different forest types of pushkar valley of Rajasthan. The Pushkar valley is located in the center of Rajasthan State between 26.5 North and 74.5 East covering an area of about 26.6 km. According to the Intergovernmental Panel on Climate Change (IPCC), this area belongs to the tropical dry climatic region. Four land use pattern has been selected for the study. The valley area can be broadly divided into land use categories of forest types namely Dry deciduous forest (DD), Mixed deciduous forest (MD), Thorn scrub forest (TS), Open scrub forest(OS). Non destructive allometric method was employed for calculation of carbon stock in each plant species. For this different indicator parametres have been measured (e.g. tree DBH, height). During our present study carbon sequestration potential of different tree species have been observed under different forest type. In dry decidous forest, it has been observed that maximum carbon storage in Terminalia arjuna (2.2 t/species) followed by Anogeissus pendula (1.22 t/species). In mixed decidous forest Maximum carbon storage potential is found in Acacia nilotica ( 1.07 t/species) followed by Acacia raddiana (.59 t/species). In thorn scrub forest,it has been observed that maximum carbon storage potential in Acacia leucocephala (6.80 t/species) followed by Acacia nilotica (1.07 t/species). Maximum contribution in carbon sequestration is by vegetation of thorn scrub forest. In all forest type the maximum carbon sequestration potential is found in Acacia leucocephala followed by Terminalia arjuna.

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