... 14, 320 1 2, 400 10, 520 4 2, 100 9 ,20 5 12 2,600 11,39614 2, 700 11,835Yermakov and Rothstein 20 06 1 10 22 2, 300 10,081 27 2, 300 10,08136 2, 100 9 ,20 5 52 1,900 8, 328 72 2,000 8,766(continued) 24 2 ... Depth(cm)Age(years)SOCMeasureddepth(g m 2 )0 100 cm(g m 2 )Boreal coniferous forestWirth et al. 20 02 1 25 12 2 ,21 6 4,58553 1 ,20 1 2, 48495 1,030 2, 131 26 6 900 1,863Mean 1,337 2, 766 2 25 2 1,369 2, 8 32 14 1, 724 3,567 28 934 ... doubled, from 20 0 to 400gm 2 , from a 20 -year -old stand to an old- growth stand (Klopatek 20 02) . It follows that higher amounts of less degradable input maybe provided in old- growth forests and...