Foliar Litter Decomposition: A Conceptual Model with Focus on Pine (Pinus) Litter—A Genus with Global Distribution

Table 2

Initial composition of organic-chemical components and nutrients in five litter species. Data from [14, 31–33].

	Concentrations of components (mg g^−1)
	Substances soluble in		AUR	Relative proportions of carbohydrates
	Water	Ethanol		Rhamnan	Xylan	Galactan	Mannan	Araban	Glucans
Scots pine	164	113	231	3	23	32	75	36	245
Scots pine^1	92	120	240	1	23	30	64	43	214
Lodgepole pine	103	42	381	6	34	46	90	48	254
Norway spruce	32	48	318	7	33	28	105	40	288
Silver birch	241	57	330	16	77	44	14	49	166
Grey alder	254	39	264	9	30	32	10	44	116

1Recalculated from [31].