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Table 1 Significant correlations. Pearson correlation coefficients of linear regressions (r) between the soil depth, soil redistribution rate, and SOC parameters. Single and double asterisks indicate the significance levels at p < 0.05 and p < 0.01, respectively

From: Soil erosion affects variations of soil organic carbon and soil respiration along a slope in Northeast China

  Variable 1 Variable 2 r
Field measurement SOC concentration 137Cs activity Bq kg−1 0.67**
SOC concentration Soil redistribution rate 0.85**
SOC stock kg m−2 137Cs inventory Bq m− 2 0.96*
SOC stock kg m−2 Soil redistribution rate 0.94*
Fast Pool C (% of total SOC) Soil depth − 0.56*
Passive pool C (% of total SOC) Soil depth 0.56*
Intermediate pool C (% of total SOC) Soil redistribution rate 0.74*
Microaggregate C (% of total SOC) Soil redistribution rate 0.67*
Incubation study Respiration μg C h−1 g Soil−1 SOC concentration 0.88**
Respiration μg C h−1 g Soil−1 Soil depth − 0.63**
Respiration μg C h−1 g SOC−1 Soil depth − 0.58**
Subsoil respiration per SOC Intermediate Pool C (% of total SOC) − 0.65*
Subsoil respiration per SOC Microaggregate C (% of total SOC) − 0.63*