How much co2 is absorbed by trees each year?
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Trees play a crucial role in absorbing CO₂ from the atmosphere annually. Different tree species exhibit varying levels of CO₂ absorption. Studies have shown that Melia azedarach, Swietenia macrophylla, Cassia fistula, and Pterocarpus indicus assimilated 38.15, 9.65, 32.19, and 19.14 kilograms tree⁻¹ yr⁻¹ of CO₂ at the canopy level, respectively . Additionally, a study comparing different tree species found that Larix sibirica, Betula platyphylla, and Pinus sylvestris absorbed varying amounts of CO₂ due to environmental conditions . Overall, the annual net uptake of CO₂ by forests can range from 1.4 to 2.8 metric tons of carbon per hectare, with fluctuations influenced by factors like photosynthesis, respiration, and climate variations .
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| Papers (4) | Insight |
|---|---|
| In a Pinus radiata plantation, trees absorbed 717 g C m–2 annually in near-average rainfall years, with variability due to changes in summer rainfall and air saturation deficit. | |
5 Citations | Melia azedarach, Cassia fistula, Swietenia macrophylla, and Pterocarpus indicus absorb 9.65 to 38.15 kilograms of CO₂ per tree annually, and 10.33 to 46.35 megagrams per hectare. |
| Trees absorb approximately 653-670 g C m(-2) yr(-1) of CO2 annually, with daily rates ranging between 1-8 g C m(-2) d(-1) based on sap flow and eddy covariance measurements. | |
| The deciduous forest in New England absorbed 1.4 to 2.8 metric tons of carbon per hectare annually between 1991 and 1995, with variations due to climate factors. |
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