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VOL. 11, ISSUE 1 (2026)
Effects of climate warming on the rate of change of soil organic carbon in Indian forest soil
Authors
Pancham Kumar, Ravi Prakash
Abstract
Rising global temperatures influence the carbon cycle within terrestrial
ecosystems. Nevertheless, the specific response of soil organic carbon (SOC) in
forest soils to warming remains insufficiently understood. To investigate this
relationship, 276 observations obtained from 98 published studies were
analyzed. The study focused on SOC variations in mineral soil layers at depths
of 0–20 cm or 0–30 cm, while also considering the influence of temperature
increase, length of warming exposure, and the humidity index. The results
showed that warming slightly increased SOC levels in forest soils, with values
rising from 67.47 g kg⁻¹ to 69.90 g kg⁻¹. Globally, the mean rate of SOC change
was estimated at 0.85 g kg⁻¹ per year. However, the rate declined as warming
intensity increased. When temperature rise ranged between 0–2°C, SOC change
reached 1.22 g kg⁻¹ yr⁻¹, but dropped to 0.11 g kg⁻¹ yr⁻¹ when warming exceeded
2°C. Over longer warming periods, SOC change shifted from 0.96 g kg⁻¹ yr⁻¹ (0–5
years) to −0.81 and −0.51 g kg⁻¹ yr⁻¹ for 5–10 and over 10 years, respectively.
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Pages:66-73
How to cite this article:
Pancham Kumar, Ravi Prakash "Effects of climate warming on the rate of change of soil organic carbon in Indian forest soil". International Journal of Academic Research and Development, Vol 11, Issue 1, 2026, Pages 66-73
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