Figure 4: Biotic signature of REE weathering.
From: Ecosystem Composition Controls the Fate of Rare Earth Elements during Incipient Soil Genesis
Lanthanum/phosphate (abiotic-normalized concentrations) in pore water samples collected from the four rock types, averaged across the two-year experiment. The unit-less index was calculated by Equation s1. Treatments: C, control; B, bacteria; BG, grass-bacteria and BGM, grass-bacteria-mycorrhiza. Index values, extending from 1–100 were normalized to the abiotic control of each rock type.
