Fig 1.
Location of the experimental plots and main grassland types in the Qinghai-Tibet Plateau.
Table 1.
Selected characteristics of the experimental plots.
Table 2.
Soil properties of the experimental plots.
Table 3.
Effects of grassland types and temperature on the decomposition rate of soil organic matter (SOM).
Fig 2.
Effects of temperature on the decomposition rates of soil organic matter (SOM) in the different grasslands of the Qinghai-Tibet Plateau.
A: Alpine meadow; B: Alpine steppe; C: Alpine desert.
Table 4.
Effects of grassland types and temperature range on temperature sensitivity of soil organic matter decomposition.
Table 5.
Effects of temperature range and incubation time on the temperature sensitivity of soil organic mater (SOM) decomposition.
Fig 3.
Effects of temperature range on the temperature sensitivity (Q10) of soil organic matter decomposition in different grasslands of the Qinghai-Tibet Plateau.
A: Alpine meadow; B: Alpine steppe; C: Alpine desert. The same small letter in different grassland type indicated no significant difference at P = 0.05 level.
Fig 4.
Changes in the activation energy (Eα) of soil organic matter decomposition with incubation time in the different grasslands of the Qinghai-Tibet Plateau.
A: Alpine meadow; B: Alpine steppe; C Alpine desert.
Fig 5.
The relationships between activation energy and soil organic matter (SOM) decomposition rate at 20°C in the grasslands of the Qinghai-Tibet Plateau.
A: Alpine meadow; B: Alpine steppe; C Alpine desert.