Current Science

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Biomass equations of Calligonum polygonoides L. were derived for the arid districts of Rajasthan, India for assessment of carbon stock. Plants varied spatially in growth and biomass (0.03-54.19 kg/plant). Contribution of stems and ischolar_mains was 45.7% and 48.0% of total biomass respectively. Nonlinear models were found to be the best in predicting biomass of stems, ischolar_mains, above-ground and total biomass of C. polygonoides using collar diameter as the predictor. Carbon concentration was highest in twigs followed by stems, ischolar_mains and leaves. Carbon density due to this species ranged between 0.37 and 1.84 t/ha. Conclusively, collar diameter alone is sufficient to predict the biomass of different components of this plant. Varying climatic and human-induced stresses were found to affect the biomass and carbon sequestration by this species.

Keywords

Allometric Equation, Arid Region, Biomass Allocation, Carbon Stock.
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