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. Author manuscript; available in PMC: 2017 May 10.
Published in final edited form as: J Hist Geogr. 2015 Apr;48:1–10. doi: 10.1016/j.jhg.2015.01.005

Figure 3.

Figure 3

Frequency distribution of rubetum (in black, polynomial trend shown by full line) and all forest records (in grey, polynomial trend shown by dashed line) along elevation, temperature and precipitation gradients.