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. 2023 Jan 31;8(1):e01254-22. doi: 10.1128/msystems.01254-22

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Copyright © 2023 Lemoine et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International license.

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FIG 2 — Relationships between soil salt concentrations, exposure age, and microbial ASV richness. (A) The relationship between soil principal component (PC 1) and soil NO₃- concentrations. The thick blue line shows the linear model fit to the observed data, and thin blue lines show 1,000 bootstrapped linear regressions. (B) Relationship between ASV richness and soil NO₃- concentrations. Thick blue line shows the LOWESS fit to the observed data, while thin blue lines show 1,000 bootstrapped LOWESS estimates.