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Table 1 Present land use and depth effects on soil properties after accounting for pre-development legacies

From: Building houses and managing lawns could limit yard soil carbon for centuries

Response Factor F value (dfa) p value Marginal r2a Conditional r2a
Soil C Pool Land use 9.74 (2, 161.9) 0.0001 0.27 0.38
Depth 19.5 (3, 158.8) < 0.0001   
Soil N Pool Land use 6.0 (2, 156.2) 0.003 0.39 0.46
Depth 29.5 (3, 152.8) < 0.0001   
Land use: depth 2.3 (6, 152.9) 0.03   
Soil C/N Land use 2.6 (2, 156.7) 0.07 0.18 0.23
Depth 5.2 (3, 152.1) 0.002   
Land use: depth 2.3 (6, 152.1) 0.04   
Bulk density Land use 18.3 (2, 155.0) < 0.0001 0.38 0.47
Depth 23.2 (3, 151.7) < 0.0001   
Land use: depth 4.1 (6, 151.7) < 0.001   
  1. aDenominator degrees of freedom by Satterthwaite approximation. Marginal r2 represent the fixed effect of present land use and conditional r2 include the random effect of land-use cluster. Results from equation: response  land use + depth + (1| land-use cluster). Fixed effects interaction included when significant