Figure 5: Results of Pearson linear regression analyses of As, Ca, Cr, Cu, Mn, Ni and Zn with Fe in the Spartina alterniflora root epidermis and endodermis. | Scientific Reports

Figure 5: Results of Pearson linear regression analyses of As, Ca, Cr, Cu, Mn, Ni and Zn with Fe in the Spartina alterniflora root epidermis and endodermis.

From: Nanoscale measurement of trace element distributions in Spartina alterniflora root tissue during dormancy

Figure 5

The significance levels of the correlation are indicated by the p values. As, Ca, Cr, Mn and Zn show significant correlation with Fe (95% confidence level), while Cu and Ni show no significant correlation with Fe (95% confidence level). The results suggest that Fe can scavenge the metals and impact their transport in the root system.

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