Fig. 1. Scatter plots of seasonal ionic resin capsule data, including winter (•), spring () and summer () for ninhydrin reactive N (NR-N) (a, b, and c), NH₄⁺–N (d, e, and f) and NO₃^––N (g, h, and i) concentration (µg capsule^–1) from a chronosequence of sites (n = 10) with increasing time since fire in western Montana. R² and p-values are included for linear regression analysis of natural logarithm transformed time since fire data.