International Journal of Forestry Research

Research Article

Relationships between Plant Biodiversity and Soil Fertility in a Mature Tropical Forest, Costa Rica

Table 4

ANOVA results () and correlation coefficient () of the different regressions with value > 0.10.


Statistical parameters	Regressions of the different relationships that were not significant with P value > 0.10
Statistical parameters	K HSR	K SSR	K HWSD	K SWSD	K TWSD	K HSSD	K SSSD	K TSSD	K SStR	K TStR	K HStD	K SStD

value	0.91	0.63	0.20	0.47	0.31	0.11	0.74	0.81	0.33	0.61	0.27	0.22
	−0.04	−0.19	0.47	−0.28	−0.38	0.57	−0.13	−0.09	0.37	0.20	0.41	0.46

Statistical parameters	Regressions of the different relationships that were not significant with value > 0.10
Statistical parameters	K TStD	Ca HSR	Ca SSR	Ca HWSD	Ca SWSD	Ca TWSD	Ca HSSD	Ca SSSD	Ca TSSD	Ca HStR	Ca SStR	Ca TStR

value	0.61	0.93	0.40	0.17	0.57	0.98	0.26	0.74	0.57	0.33	0.86	0.99
	−0.20	−0.04	−0.32	0.50	−0.22	0.01	0.42	−0.13	0.22	0.37	0.07	0.01

Statistical parameters	Regressions of the different relationships that were not significant with value > 0.10
Statistical parameters	Ca HStD	Ca SStD	Ca TStD	Mg HSR	Mg SSR	Mg HWSD	Mg SWSD	Mg TWSD	Mg HSSD	Mg SSSD	Mg TSSD	Mg HStR

value	0.46	0.94	0.21	0.82	0.33	0.18	0.55	0.98	0.27	0.73	0.59	0.35
	0.28	0.03	−0.46	−0.09	−0.37	0.49	−0.23	0.01	0.41	−0.13	0.21	0.35

Statistical parameters	Regressions of the different relationships that were not significant with value > 0.10
Statistical parameters	Mg SStR	Mg TStR	Mg HStD	Mg SStD	Mg TStD	P HSR	P SSR	P HWSD	P SWSD	P TWSD	P HSSD	P SSSD

value	0.92	0.98	0.43	0.98	0.25	0.86	0.97	0.31	0.24	0.17	0.24	0.42
	0.04	0.01	0.30	−0.01	−0.43	−0.07	−0.01	0.38	−0.44	−0.50	0.43	−0.31

Statistical parameters	Regressions of the different relationships that were not significant with value > 0.10
Statistical parameters	P TSSD	P SStR	P TStR	P SStD	P TStD	Fe HSR	Fe SSR	Fe TSR	Fe HWSD	Fe SWSD	Fe TWSD	Fe HSSD

value	0.59	0.16	0.27	0.15	0.67	0.59	0.83	0.29	0.64	0.67	0.46	0.31
	−0.21	0.51	0.41	0.52	−0.16	−0.21	−0.08	−0.40	0.18	−0.17	−0.28	0.38

Statistical parameters	Regressions of the different relationships that were not significant with value > 0.10
Statistical parameters	Fe SSSD	Fe TSSD	Fe HStR	Fe SStR	Fe SStD	Fe TStD	Cu HSR	Cu SSR	Cu TSR	Cu HWSD	Cu SWSD	Cu TWSD

value	0.89	0.82	0.16	0.41	0.33	0.91	0.35	0.74	0.43	0.57	0.32	0.52
	0.05	−0.09	0.51	0.31	0.37	0.04	0.35	0.13	0.30	−0.22	0.38	0.25

Statistical parameters	Regressions of the different relationships that were not significant with value > 0.10
Statistical parameters	Cu HSSD	Cu SSSD	Cu TSSD	Cu HStR	Cu SStR	Cu TStR	Cu HStD	Cu SStD	Cu TStD	Zn HSR	Zn SSR	Zn TSR

value	0.14	0.37	0.76	0.85	0.43	0.42	0.35	0.57	0.88	0.36	0.32	0.96
	−0.53	0.34	0.12	−0.08	−0.30	0.31	0.35	−0.22	−0.06	−0.35	−0.38	0.02

Statistical parameters	Regressions of the different relationships that were not significant with value > 0.10
Statistical parameters	Zn HWSD	Zn SWSD	Zn TWSD	Zn HSSD	Zn SSSD	Zn TSSD	Zn HStR	Zn SStR	Zn TStR	Zn HStD	Zn TStD	Mn HSR

value	0.81	0.48	0.91	0.79	0.70	0.78	0.45	0.50	0.14	0.104	0.63	0.94
	−0.09	−0.27	−0.04	0.10	−0.15	0.11	0.29	−0.26	0.53	0.58	−0.19	0.03

Statistical parameters	Regressions of the different relationships that were not significant with value > 0.10
Statistical parameters	Mn SSR	Mn TSR	Mn HWSD	Mn SWSD	Mn TWSD	Mn HSSD	Mn SSSD	Mn TSSD	Mn SStR	Mn TStR	Mn SStD	Mn TStD

value	0.62	0.11	0.20	0.26	0.33	0.32	0.48	0.72	0.52	0.15	0.32	0.82
	−0.19	−0.57	0.47	−0.42	−0.37	0.38	−0.27	−0.14	0.25	0.52	0.38	−0.09

Statistical parameters	Regressions of the different relationships that were not significant with value > 0.10
Statistical parameters	Al HSR	Al SSR	Al TSR	Al HWSD	Al SWSD	Al HSSD	Al SSSD	Al TSSD	Al HStR	Al SStR	Al TStR	Al HStD

value	0.54	0.79	0.21	0.80	0.65	0.32	0.69	0.29	0.18	0.24	0.22	0.72
	−0.24	−0.10	−0.46	0.10	−0.18	0.38	−0.16	−0.39	0.49	0.43	−0.45	−0.14

Statistical parameters	Regressions of the different relationships that were not significant with value > 0.10
Statistical parameters	Al SStD	Al TStD	C HSR	C SSR	C HWSD	C SWSD	C TWSD	C HSSD	C SSSD	C TSSD	C HStR	C SStR

value	0.38	0.76	0.84	0.38	0.17	0.53	0.79	0.20	0.70	0.72	0.24	0.72
	0.33	−0.12	−0.08	−0.33	0.50	−0.24	−0.10	0.47	−0.15	0.14	0.44	0.14

Statistical parameters	Regressions of the different relationships that were not significant with value > 0.10
Statistical parameters	C TStR	C HStD	C SStD	C TStD	C/N HSR	C/N SSR	C/N TSR	C/N HWSD	C/N SWSD	C/N HSSD	C/N SSSD	C/N TSSD

value	0.89	0.48	0.82	0.23	0.61	0.83	0.29	0.87	0.39	0.47	0.43	0.11
	0.06	0.27	0.09	−0.45	0.20	−0.08	0.40	−0.06	0.33	−0.28	0.30	0.57

Statistical parameters	Regressions of the different relationships that were not significant with value > 0.10
Statistical parameters	C/N TStR	C/N HStD	C/N SStD	C/N TStD	N HSR	N SSR	N TSR	N HWSD	N SWSD	N HSSD	N SSSD	N TSSD

value	0.67	0.92	0.12	0.85	0.76	0.88	0.91	0.83	0.44	0.98	0.51	0.15
	0.17	−0.04	−0.55	−0.08	−0.12	0.06	−0.04	−0.08	−0.30	0.01	−0.25	−0.52

Statistical parameters	Regressions of the different relationships that were not significant with value > 0.10
Statistical parameters	N HStR	N SStR	N TStR	N HStD	N SStD	N TStD	SFI HSR	SFI SSR	SFI HWSD	SFI SWSD	SFI TWSD	SFI HSSD

value	0.20	0.44	0.45	0.37	0.43	0.51	0.88	0.61	0.15	0.34	0.37	0.13
	0.47	0.30	0.29	0.34	0.30	0.25	−0.06	−0.20	0.52	−0.36	−0.34	0.55

Statistical parameters	Regressions of the different relationships that were not significant with value > 0.10
Statistical parameters	SFI SSSD	SFI TSSD	SFI SStR	SFI TStR	SFI HStD	SFI SStD	SFI TStD	pH HSR	pH SSR	pH TSR	pH HWSD	pH SWSD

value	0.57	0.92	0.33	0.54	0.17	0.29	0.42	0.63	0.80	0.64	0.57	0.86
	−0.22	−0.04	0.37	0.24	0.50	0.40	−0.31	0.19	0.10	−0.18	0.22	0.07

Statistical parameters	Regressions of the different relationships that were not significant with value > 0.10
Statistical parameters	pH TWSD	pH HSSD	pH SSSD	pH TSSD	pH HStR	pH SStR	pH HStD	pH SStD	pH TStD

value	0.23	0.64	0.65	0.16	0.84	0.98	0.20	0.92	0.52
	0.44	0.18	0.18	0.51	0.08	−0.01	0.47	0.04	−0.25

HSR: herb species richness; SSR: shrub species richness; TSR: tree species richness; HWSD: herb Shannon-Wiener (S-W) species diversity; SWSD: shrub S-W species diversity; TWSD: tree S-W species diversity; HSSD: herb Simpson’s species diversity; SSSD: shrub Simpson’s species diversity; TSSD: tree Simpson’s species diversity; HStR: herb structural richness; SStR: shrub structural richness; TStR: tree structural richness; HStD: herb structural diversity; SStD: shrub structural diversity; TStD: tree structural diversity; CEC: cation exchange capacity; C/N: C/N ratio; N: total N in organic matter; and SFI: soil fertility index.