Geoelectrical Surveys for Characterization of the Coastal Saltwater Intrusion in Metapontum Forest Reserve (Southern Italy)

Table 1

Minimum and maximum values of chemical-physical data of soil samples collected in the study area.

Parameters	Minimum and Maximum Values
Na (mg kg^−1)	626–3425
K (mg kg^−1)	162–960
Ca (mg kg^−1)	917–2830
Mg (mg kg^−1)	203–905
Nitrogen (g kg^−1)	0.6–1.4
Organic carbon (g kg^−1)	4.9–21.5
Organic matter (g kg^−1)	8.4–37.1
pH (H2O)	8.6–9.8
pH (CaCl2)	7.9–8.9
Electrical conductivity (ECe) (Siemens m^−1)	0.153–1.484
Electrical resistivity (Ωm)	6.536–0.674
Cation exchange capacity (meq/100 gr)	7.4–17.2
Chlorurs (mg kg^−1)	162–5894
Nitrate (mg kg^−1)	<0.1
Sulphate (mg kg^−1)	15.3–441
Sand %	33.3–85.2
Silt %	7.1–35.7
Clay %	7.5–38.2