Extended Data Fig. 2: Modelled N removal by hydrologic region.
From: Maximizing US nitrate removal through wetland protection and restoration
![Extended Data Fig. 2](https://cdn.statically.io/img/media.springernature.com/full/springer-static/esm/art%3A10.1038%2Fs41586-020-03042-5/MediaObjects/41586_2020_3042_Fig7_ESM.jpg)
The counts in the histograms refer to individual HUC-8 watersheds within the corresponding hydrologic regions. See Extended Data Fig. 1b for region locations.