Fig. 13

Hygrothermal recovery (HTR) in R vs T directions, according to various authors. Species: As, Acer saccharinum; Ba, Betula alleghaniensis; Ci, Carya illinoinensis; Cs, Castanea sativa; F, Fagus spp.; Lt, Liriodendron tulipifera; Qr, Quercus rubra; Zl, Ziziphus lotus; Am, Abies magnifica; Cj, Cryptomeria japonica; Lo, Larix occidentalis; P, Pinus spp.; Pa, Picea abies; Pe, Pinus echinata; Pm, Pseudotsuga menziesii; Ps, Picea sitchensis. Conditions: a 1440 min at 89–95 °C [104], b 30–90 min at 99 °C [105], c 150 min at 95 °C [99], d 60 min at 100 °C [106], e 330 min at 80 °C [107], f 60 min at 100 °C [108], g 20 min at 80 °C [100], h 75 min at 80 °C [109], and i 30 min at 80 °C [110]