Exploring the factors affecting carbon and nutrient concentrations in tree biomass components in natural forests, forest plantations and short rotation forestry

Rodríguez-Soalleiro, Roque; Eimil-Fraga, Cristina; Gómez-García, Esteban; García-Villabrille, Juan Daniel; Rojo-Alboreca, Alberto; Muñoz, Fernando; Oliveira, Nerea; Sixto, Hortensia; Pérez-Cruzado, César

doi:10.1186/s40663-018-0154-y

Forest Ecosystems

Table 4 Concentrations of macronutrients in the wood of five species

From: Exploring the factors affecting carbon and nutrient concentrations in tree biomass components in natural forests, forest plantations and short rotation forestry

Biomass compartment	Species	C (%)	N (%)	P (g∙kg^− 1)	K (g∙kg^− 1)	Ca (g∙kg^− 1)	Mg (g∙kg^− 1)	S (g∙kg^− 1)	Fe (ppm)	Mn (ppm)	Cu (ppm)	Zn (ppm)	B (ppm)
Wood	Q. robur	48.1b	0.24b	0.21b	1.60ab	3.28b	0.57b	0.32b	35.5b	368b	3.89b	70b	10.7b
	B. pubescens	48.1b	0.22b	0.25b	1.96a	4.81a	0.67ab	0.45a	56.2a	603a	7.31a	135a	16.7a
	E. globulus	46.3c	0.16bc	0.14bc	1.24bc	0.74d	0.24c	0.10c	18.3c	109c	1.78c	6d	0.5d
	E. nitens	50.1a	0.09c	0.09c	0.78c	0.43d	0.17c	0.13c	42.1b	25c	1.15c	9d	5.4c
	Populus	46.5c	0.60a	0.38a	2.02a	1.67c	0.92a	0.41a	17.8c	25c	2.13bc	36c	9.3b
Bark	Q. robur	47.6b	0.64a	0.32	1.33c	3.3c	0.37c	0.24bc	28.6b	291	3.46ab	25.3a	6.39ab
	B. pubescens	50.2a	0.55a	0.45	1.78c	2.8c	0.45c	0.32ab	33.5b	347	4.36a	22.5ab	9.17a
	E. globulus	43.6c	0.46b	0.32	4.44a	6.5b	3.15a	0.19c	18.2b	1223	2.18bc	16.6bc	4.19b
	E. nitens	46.9b	0.38b	0.38	3.23b	14.9a	1.88b	0.40a	63.3a	355	1.74c	9.5c	8.40ab
Thick branches	Q. robur	48.0c	0.46a	0.39a	1.33b	1.91	0.31c	0.25a	33.0	181	3.46a	36.1a	8.2ab
	B. pubescens	48.7b	0.29b	0.34a	1.19b	1.60	0.33bc	0.21ab	24.8	236	3.07ab	33.4a	6.0b
	E. globulus	45.9d	0.26b	0.21b	2.16a	1.52	0.69a	0.18b	25.3	357	2.11bc	4.8b	1.3c
	E. nitens	49.7a	0.16c	0.20b	1.50b	1.91	0.53ab	0.22ab	41.8	109	1.55c	8.0b	11.1a
Thin branches	Q. robur	48.5b	0.73a	0.58a	3.23b	5.70a	0.79b	0.63a	47.7a	572a	6.74ab	36.2b	16.2a
	B. pubescens	48.4b	0.55b	0.56a	1.89b	2.72b	0.73b	0.41b	38.2ab	339ab	4.08bc	67.6a	9.1b
	E. globulus	46.3c	0.52b	0.79a	6.33a	4.28ab	1.48a	0.65a	42.3a	713a	7.87a	14.0c	9.7b
	E. nitens	49.8a	0.24c	0.28b	2.07b	2.46b	0.60b	0.27c	11.9b	148b	1.98c	10.2c	8.3b
Twigs	Q. robur	49.1a	1.09a	0.94a	5.57b	6.47a	1.08b	0.92a	55.1a	792a	10.1a	41b	21.3a
	B. pubescens	50.8b	0.92b	0.87a	3.15c	3.80b	0.88b	0.72b	59.1a	518ab	6.37b	107a	12.0bc
	E. globulus	47.7d	0.68c	0.81a	8.05a	6.01a	1.44a	0.66b	41.7ab	648a	8.65ab	21c	14.6b
	E. nitens	51.5a	0.45d	0.53b	3.42c	4.92ab	1.15ab	0.41c	21.2b	219b	2.76c	12c	10.3c
Leaves	Q. robur	48.6d	2.50a	1.78a	7.86ab	3.81	1.84b	1.95a	219	828ab	10.03a	24.6b	22.5a
	B. pubescens	49.7c	2.51a	1.73a	8.63a	4.55	2.24a	2.07a	92	1207a	6.75ab	67.3a	22.2a
	E. globulus	52.0b	1.39b	0.86b	6.54b	4.18	1.49b	0.91c	46	617bc	6.58ab	15.6b	16.6b
	E. nitens	57.2a	1.57b	0.92b	4.21c	4.24	1.59b	1.31b	47	329c	3.04b	13.2b	14.1b

For each biomass component, different letters in the same column indicate significant differences in the mean values (Tukey test)

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