Evaluating Insects as Bioindicators of Heavy Metal Contamination and Accumulation near Industrial Area of Gujrat, Pakistan

Table 11

Regression analysis for each of the insect taxa.

HMG group	Variables		Correlation	Regression coefficients					square	Significance
	Dependent	Independent
O. hyla hyla	Cu	Ni, Zn, Cr, and Cd	0.722	128.74	−6.2	1.684	3.370	−258.55	0.521	0.469
	Cr	Ni, Zn, Cu, and Cd	0.79	3.92	0.026	0.501	−0.08	26.25	0.63	0.30
	Cd	Ni, Zn, Cr, and Cu	0.939	.172	−0.002	−0.021	0.003	0.021	0.881	0.039
C. servilia	Cu	Ni, Zn, Cr, and Cd	0.722	128.74	−6.214	0.684	3.370	−258.55	0.521	0.469
	Cr	Ni, Zn, Cu, and Cd	0.797	3.92	0.026	0.501	−0.080	26.257	0.635	0.303
	Cd	Ni, Zn, Cr, and Cu	0.939	0.172	−0.002	−0.021	0.003	0.021	0.881	0.039
D. chrysippus	Cu	Ni, Zn, Cr, and Cd	0.547	75.446	−15.492	−0.17	10.88	52.27	0.299	0.785
	Cr	Ni, Zn, Cu, and Cd	0.751	4.27	0.008	0.482	0.024	−5.365	0.564	0.404
	Cd	Ni, Zn, Cr, and Cu	0.328	0.108	0.398	0.000	0.007	0.001	−0.019	0.968