Table 4.

Spearman-rank correlation between the single impact indicators and the two aggregated indices (SQI, and NSQI) using global average CFs. BP: biotic production; ER: erosion resistance; GR: groundwater regeneration; MF: mechanical filtration; SQI: Soil Quality Index; NSQI: Normalisation-based Soil Quality Index.

	ER	MF	GR	BP
SQI	0.06	0.81	0.54	0.86
NSQI	0.13	0.83	0.46	0.73