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. 2014 Apr 11;9(4):e91798. doi: 10.1371/journal.pone.0091798

Figure 2. Relationships between Amax and Rdark.

Figure 2

The left panel shows area-based rates, and the right panel shows mass-based rates. Symbols marked by small grey dots indicate shade leaves of sun grown trees. Species code: GB = gray birch, WA(P) = white ash sampled at the Princeton site, WA(S) = white ash sampled at the Stokes site, SM = sugar maple, WP = white pine, EH = eastern hemlock, AB = American beech.