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. 2002 Aug 12;99(17):11235–11240. doi: 10.1073/pnas.172700199

Fig 3.

Fig 3.

Estimated pH of the topmost 5 cm of soil, based on the Natural Resources Conservation Service statsgo database. Note regions of highest deposition and low pH soils along the spine of the Appalachians, which coincides with the regions of highest abundance for the Wood Thrush.

HHS Vulnerability Disclosure