Table 2.

Total number of species, Functional Entities, Functional Redundancy, Functional Vulnerability, and Functional Over-Redundancy by year.

	1981	1983	1984	1985	1987	1988
Total number species N	54	21	29	33	18	25
Functional Entities FE	19	11	11	16	10	15
Average FE/transect $\overline{FE}$	9.70 ± 0.83	2.80 ± 0.51	5.00 ± 0.77	6.50 ± 0.78	5.30 ± 0.85	6.00 ± 1.05
Ratio $\overline{FE}/FE$	0.51	0.25	0.45	0.40	0.53	0.40
Functional Redundancy	2.84	1.90	2.64	2.06	1.80	1.67
Functional Vulnerability	47%	55%	45%	63%	60%	67%
	vs. 15 ± 7%	vs. 39 ± 9%	vs. 18 ± 9%	vs. 33 ± 8%	vs. 43 ± 9%	vs. 50 ± 7%
	SES: 4.77	SES: 1.74	SES: 2.97	SES: 3.64	SES: 1.79	SES: 2.35
	***	n.s.	**	***	n.s.	*
Functional Over-Redundancy	35%	26%	30%	33%	27%	27%
	vs. 18 ± 3%	vs. 18 ± 4%	vs. 19 ± 4%	vs. 18 ± 4%	vs. 19 ± 4%	vs. 20 ± 3%
	SES: 4.29	SES: 1.74	SES: 2.07	SES: 2.81	SES: 1.79	SES: 2.35
	***	n.s.	**	***	n.s.	*

Functional Vulnerability and Functional Over-Redundancy values are given versus values from null models with 9,999 permutations. Mean value are given ± standard error. SES: Standardized Effect Size. Levels of significance: ***<0.001, **<0.01, *<0.05. n.s.: non-significant.