Table 1.

Generalized mean dead wood carbon fractions (CF) across five different factors.

Factors	Variable	Mean CF	S.E.	Lower CI	Upper CI
Biomes	Boreal	48.84	0.76	40.69	56.98
	Subtropical/Medit.	46.24	0.83	37.38	55.09
	Temperate	49.29	0.74	41.29	57.28
	Tropical	47.16	0.79	38.66	55.66
Division	Angiosperm	47.18	0.79	44.59	49.77
	Gymnosperm	49.19	0.79	46.58	51.79
Tissues	Branch	45.67	1.14	42.13	49.21
	Root	47.79	1.14	44.25	51.33
	Stem	48.07	1.07	44.75	51.4
	Bark	48.73	1.08	45.38	52.09
	Fine tissue	48.8	1.23	44.97	52.63
Position	Downed	47.81	1.05	44.32	51.31
	Standing	48.22	1.06	44.7	51.74
Decay class	1	47.53	1.03	44.16	50.9
	2	47.55	1.03	44.18	50.93
	3	47.98	1.03	44.61	51.36
	4	48.68	1.04	45.28	52.08
	5	48.61	1.05	45.17	52.04

Mean estimates here were calculated as least-squares means, obtained from five different linear mixed-effects models. Estimates here correspond to data presented in Fig. 2, while linear mixed-effects model diagnostics are presented in Supplementary Table 3.