Table 4 SOC content and density in the different forest types in east China
From: Variations of forest soil organic carbon and its influencing factors in east China
Forest type | Number of profiles | SOC content (g C kg−1) | SOC density (kg C m−2) | ||||
|---|---|---|---|---|---|---|---|
Organic horizon | Mineral horizon | Profile | Organic horizon | Mineral horizon | Profile | ||
Cold-temperate coniferous forests | 36 | 104 ± 61.8A | 22.3 ± 46.0A | 33.3 ± 47.0A | 8.19 ± 6.67A | 11.6 ± 10.4A | 19.8 ± 14.2A |
Temperate needle broad-leaved mixed forests | 84 | 20.5 ± 29.6B | 12.7 ± 38.1A | 15.6 ± 33.4B | 5.37 ± 3.57AB | 5.43 ± 3.99B | 10.8 ± 6.75B |
Warm temperate deciduous broad-leaved forests | 102 | 20.4 ± 20.8B | 7.44 ± 9.43A | 12.2 ± 11.7B | 5.24 ± 6.18AB | 4.70 ± 6.27B | 9.95 ± 9.11B |
Subtropical evergreen broad-leaved forests | 72 | 31.2 ± 30.8B | 17.1 ± 17.6A | 21.1 ± 21.5AB | 5.21 ± 4.0AB | 8.27 ± 8.8AB | 13.5 ± 11.7B |
Tropical monsoon forests | 54 | 23.1 ± 12.2B | 14.9 ± 7.54A | 16.9 ± 8.32AB | 4.59 ± 3.91B | 8.47 ± 5.92AB | 13.1 ± 7.78B |