Table 4.

Concentration (mg g^–1; mean ± s.d.) of total N in dry biomass of stems, roots and leaves of five con-familiar pairs of lianas and shrubs at three annual peak-of-season harvests

Family	Year	n		Stems			Roots			Leaves
		Lianas	Shrubs	Lianas	Shrubs	P	Lianas	Shrubs	P	Lianas	Shrubs	P
Araliaceae	2014	5	2	17.48 ± 2.25	16.86 ± 0.63	ns	23.61 ± 5.40	21.53 ± 1.96	ns	21.63 ± 1.94	23.90 ± 3.38	ns
	2015	5	0	15.91 ± 1.25	–		22.00 ± 3.85	–		26.95 ± 2.11	–
	2016	8	2	14.06 ± 1.76	12.28 ± 3.87	ns	21.20 ± 2.25	23.44 ± 3.74	ns	24.41 ± 1.89	34.44 ± 2.99	***
Caprifoliaceae	2014	5	5	14.99 ± 2.26	11.04 ± 1.18	***	27.44 ± 2.05	19.03 ± 2.81	***	29.84 ± 2.67	27.64 ± 2.90	ns
	2015	5	3	12.91 ± 0.71	9.63 ± 1.96	**	25.22 ± 2.49	19.11 ± 1.47	***	27.06 ± 1.19	23.66 ± 0.92	ns
	2016	7	4	12.55 ± 0.94	10.29 ± 0.46	*	20.85 ± 1.41	16.71 ± 2.61	**	27.86 ± 2.92	23.60 ± 1.96	**
Celastraceae	2014	5	5	18.65 ± 3.64	13.22 ± 2.63	**	21.84 ± 3.84	26.30 ± 4.41	ns	29.86 ± 3.42	26.89 ± 2.40	ns
	2015	5	5	20.58 ± 2.53	14.80 ± 4.36	**	35.27 ± 4.63	27.56 ± 3.66	**	30.82 ± 1.92	28.82 ± 5.71	ns
	2016	4	5	15.16 ± 2.04	13.83 ± 1.83	ns	28.63 ± 6.56	25.76 ± 2.18	ns	25.58 ± 3.51	25.82 ± 1.54	ns
Fabaceae	2014	5	5	20.80 ± 2.50	18.80 ± 2.21	ns	36.08 ± 5.09	25.40 ± 4.40	***	33.16 ± 0.99	33.42 ± 3.04	ns
	2015	5	5	13.96 ± 2.11	16.32 ± 1.20	ns	28.37 ± 7.45	22.76 ± 2.45	*	28.65 ± 2.91	27.72 ± 2.15	ns
	2016	6	4	13.05 ± 1.45	15.81 ± 2.46	*	21.26 ± 0.89	23.31 ± 1.94	ns	24.12 ± 3.26	31.44 ± 3.29	***
Hydrangeaceae	2015	3	3	14.61 ± 2.00	7.86 ± 1.07	***	21.11 ± 3.83	15.16 ± 2.22	*	25.35 ± 1.13	20.83 ± 2.10	ns
	2016	3	3	11.55 ± 0.83	9.36 ± 1.95	ns	22.13 ± 0.71	18.36 ± 0.55	ns	32.02 ± 1.75	24.49 ± 5.16	*

Results of Student’s t-test for significance of differences between liana and shrub means within family and season are shown: ***P < 0.001; **P < 0.01; *P < 0.05; ns, not significant.

Significant differences are highlighted by bold font. See Supplementary Data Table S2 for ANOVA results.