Table 1: Analysis of covariance of the effects of urban and rural land-cover/land-use and depth on soil organic carbon density

From: Organic carbon hidden in urban ecosystems

 transformationd.f.FP value
Urban soils    
Factor: Land-cover (herbaceous or tree & shrub or capped)square root2,1822.2270.105
Covariate: Depth (see Fig. 1) 1,182164.918<0.001
Urban versus rural soil    
Factor: Land-use (urban or arable)log101,23220.893<0.001
Covariate: Depth (see Fig. 2) 1,232234.302<0.001