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Table 3

Correlation analysis between heavy metals and physical–chemical properties of sediments during disturbance experiments

MetalsDisturbance experimental scenariopHEhDOConductivityTOC
Cu Downstream sediments in moving water −0.684 0.912 −0.093 0.300 −0.932 
Downstream sediments in standing water 0.868 −0.172 0.771 −0.944 −0.771 
Upstream sediments in moving water 0.067 0.550 −0.422 0.055 0.991** 
Upstream sediments in standing water −0.286 0.941 −0.946 −0.617 −0.348 
Fe Downstream sediments in moving water −0.803 0.96* 0.218 0.460 −0.733 
Downstream sediments in standing water −0.280 0.508 −0.204 0.175 0.012 
Upstream sediments in moving water 0.041 −0.396 0.528 0.008 −0.482 
Upstream sediments in standing water −0.694 −0.964* 0.229 0.435 0.942 
Zn Downstream sediments in moving water −0.814 0.996** 0.449 0.523 −0.582 
Downstream sediments in standing water 0.993** 0.383 0.993** −0.735 −0.388 
Upstream sediments in moving water 0.723 −0.923 −0.988* 0.737 0.479 
Upstream sediments in standing water 0.011 0.433 −0.571 −0.975* −0.560 
Ni Downstream sediments in moving water −0.905 0.553 0.452 0.708 −0.499 
Downstream sediments in standing water 0.975* 0.524 0.999** −0.682 −0.330 
Upstream sediments in moving water 0.432 0.153 −0.862 0.447 0.719 
Upstream sediments in standing water 0.251 0.562 −0.441 −0.974* −0.740 
Cr Downstream sediments in moving water −0.977* 0.917 0.302 0.867 −0.499 
Downstream sediments in standing water 0.971* 0.140 0.932 −0.798 −0.485 
Upstream sediments in moving water 0.740 −0.172 −0.926 0.740 0.616 
Upstream sediments in standing water 0.416 0.560 −0.270 −0.995* 0.818 
Cd Downstream sediments in moving water 0.982* 0.812 0.029 0.804 −0.744 
Downstream sediments in standing water 0.868 −0.172 0.771 −0.944 −0.771 
Upstream sediments in moving water 0.995** −0.734 −0.869 0.996** 0.022 
Upstream sediments in standing water 0.363 0.487 −0.264 −0.975* −0.766 
Mn Downstream sediments in moving water −0.891 0.934 −0.129 0.626 −0.899 
Downstream sediments in standing water 0.992** 0.283 0.975* −0.770 −0.436 
Upstream sediments in moving water 0.667 −0.094 −0.949 0.674 0.628 
Upstream sediments in standing water 0.420 0.557 −0.262 −0.954* −0.818 
Pb Downstream sediments in moving water −0.926 0.989* 0.307 0.688 −0.644 
Downstream sediments in standing water 0.973* 0.533 0.998** −0.673 −0.318 
Upstream sediments in moving water 0.502 0.015 −0.910 0.523 0.564 
Upstream sediments in standing water 0.055 0.339 −0.450 −0.995** −0.550 
MetalsDisturbance experimental scenariopHEhDOConductivityTOC
Cu Downstream sediments in moving water −0.684 0.912 −0.093 0.300 −0.932 
Downstream sediments in standing water 0.868 −0.172 0.771 −0.944 −0.771 
Upstream sediments in moving water 0.067 0.550 −0.422 0.055 0.991** 
Upstream sediments in standing water −0.286 0.941 −0.946 −0.617 −0.348 
Fe Downstream sediments in moving water −0.803 0.96* 0.218 0.460 −0.733 
Downstream sediments in standing water −0.280 0.508 −0.204 0.175 0.012 
Upstream sediments in moving water 0.041 −0.396 0.528 0.008 −0.482 
Upstream sediments in standing water −0.694 −0.964* 0.229 0.435 0.942 
Zn Downstream sediments in moving water −0.814 0.996** 0.449 0.523 −0.582 
Downstream sediments in standing water 0.993** 0.383 0.993** −0.735 −0.388 
Upstream sediments in moving water 0.723 −0.923 −0.988* 0.737 0.479 
Upstream sediments in standing water 0.011 0.433 −0.571 −0.975* −0.560 
Ni Downstream sediments in moving water −0.905 0.553 0.452 0.708 −0.499 
Downstream sediments in standing water 0.975* 0.524 0.999** −0.682 −0.330 
Upstream sediments in moving water 0.432 0.153 −0.862 0.447 0.719 
Upstream sediments in standing water 0.251 0.562 −0.441 −0.974* −0.740 
Cr Downstream sediments in moving water −0.977* 0.917 0.302 0.867 −0.499 
Downstream sediments in standing water 0.971* 0.140 0.932 −0.798 −0.485 
Upstream sediments in moving water 0.740 −0.172 −0.926 0.740 0.616 
Upstream sediments in standing water 0.416 0.560 −0.270 −0.995* 0.818 
Cd Downstream sediments in moving water 0.982* 0.812 0.029 0.804 −0.744 
Downstream sediments in standing water 0.868 −0.172 0.771 −0.944 −0.771 
Upstream sediments in moving water 0.995** −0.734 −0.869 0.996** 0.022 
Upstream sediments in standing water 0.363 0.487 −0.264 −0.975* −0.766 
Mn Downstream sediments in moving water −0.891 0.934 −0.129 0.626 −0.899 
Downstream sediments in standing water 0.992** 0.283 0.975* −0.770 −0.436 
Upstream sediments in moving water 0.667 −0.094 −0.949 0.674 0.628 
Upstream sediments in standing water 0.420 0.557 −0.262 −0.954* −0.818 
Pb Downstream sediments in moving water −0.926 0.989* 0.307 0.688 −0.644 
Downstream sediments in standing water 0.973* 0.533 0.998** −0.673 −0.318 
Upstream sediments in moving water 0.502 0.015 −0.910 0.523 0.564 
Upstream sediments in standing water 0.055 0.339 −0.450 −0.995** −0.550 

*Correlation significant at 0.05 level (both sides).

**Correlation significant at 0.01 level (both sides).

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