Table 1.

Simple linear correlation coefficients relating the response of Platynothrus peltifer to the physicochemical properties of different shooting range field soils and reference soils

Soil physicochemical properties	Simple linear correlation coefficients (r)
	Survival number after 2 weeks	Survival number after 12 weeks	Juvenile number after 12 weeks	Pb in mites
WHC	−0.36**	0.50**	−0.13	−0.24
OM	−0.17	0.60**	−0.085	−0.14
pH H2O	−0.081	0.18	0.43**	−0.34*
pH 0.01 M CaCl2	−0.15	0.25	0.43**	−0.40**
DOC	−0.14	0.15	−0.27*	−0.34*
CEC	−0.15	0.49**	0.32*	−0.47**
Ca	−0.15	0.33*	0.38**	−0.48**
Fe	0.45**	0.046	−0.003	0.41**
Clay	−0.38**	−0.008	0.19	−0.57**
Silt	−0.24	−0.088	0.31*	−0.41**
Sand	0.34*	0.040	−0.25	0.53**
Pb-Water	0.039	−0.21	−0.45**	0.88**
Pb-0.01 M CaCl2	0.10	−0.10	−0.49**	0.82**
Pb-pore water	0.28*	−0.27*	−0.44**	0.92**
Total Pb	0.23	−0.17	−0.25	0.74**
Total Cd	0.55**	−0.19	0.38**	0.016
Total Zn	0.35**	0.087	0.29*	0.036
Total Cu	0.45**	0.029	0.21	0.26

See Luo et al. (2014a, b, c) for soil properties and metal concentrations and Fig. 1 for the mite responses and internal Pb concentrations in the mites

* Correlation is significant at the 0.05 level (2-tailed)

** Correlation is significant at the 0.01 level (2-tailed)