Fig. 1.

Effect of metal concentration in soil (expressed as pollution index, PI) on the internal body concentration of metals (expressed as body concentration index, BCI) in P. oblongopunctatus collected along two pollution gradients (p < 0.0001, \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ {\text{r}}_{adj}^{2} $$\end{document} = 91.2 %, difference in intercepts: p = 0.0002, difference in slopes: p = 0.017); open circles, OLK; full circles, MSL