Dynamic of Plant Composition and Regeneration following Windthrow in a Temperate Beech Forest

Table 3

Mean (standard error of mean) plant diversity indices and regeneration status in PM different ages and microsites.

Diversity parameters/treatment	Young		Medium		Adult		Old		Statistic description
	PM	CC	PM	CC	PM	CC	PM	CC
Simpson; (herbal)	0.42 ± 0.05	0.09 ± 0.01	0.56 ± 0.07	0.28 ± 0.09	0.06 ± 0.61	0.09 ± 0.26	0.09 ± 0.60	0.06 ± 0.45	Age: F = 2.96, P = 0.04 (A4^a > A3^ab, A2^ab > A1^b); Position: F = 17.50, P = 0.00 (PM^a > CC^b); Age × Position: F = 0.50, P = 0.68.
Margalef; (herbal)	0.84 ± 0.05	0.70 ± 0.05	0.85 ± 0.03	0.36 ± 0.13	0.06 ± 0.83	0.16 ± 0.22	0.08 ± 0.90	0.54 ± 0.02	Age: F = 0.24, P = 0.86; Position: F = 3.35, P = 0.07; Age × Position: F = 0.21, P = 0.88.
Camargo; (herbal)	0.32 ± 0.03	0.60 ± 0.04	0.53 ± 0.15	0.71 ± 0.06	0.11 ± 0.38	0.06 ± 0.65	0.10 ± 0.40	0.07 ± 0.68	Age: F = 0.78, P = 0.50; Position: F = 11.40, P = 0.00 (CC^a > PM^b); Age × Position: F = 0.12, P = 0.94.
Simpson; (regeneration)	0.01 ± 0.28	0.03 ± 0.39	0.04 ± 0.38	0.05 ± 0.24	0.05 ± 0.54	0.02 ± 0.30	0.02 ± 0.55	0.05 ± 0.35	Age: F = 2.91, P = 0.04 (A4^a > A3^ab, A1^ab > A2^b); Position: F = 9.06, P = 0.00 (PM^a > CC^b); Age × Position: F = 3.88, P = 0.01.
Margalef; (regeneration)	0.02 ± 0.61	0.07 ± 0.25	0.01 ± 0.10	0.02 ± 0.12	0.03 ± 0.36	0.03 ± 0.55	0.04 ± 0.46	0.14 ± 0.52	Age: F = 3.06, P = 0.04 (A4^a, A3^a, A1^a> A2^b); Position: F = 0.04, P = 0.84; Age × Position: F = 1.33, P = 0.27.
Camargo; (regeneration)	0.01 ± 0.36	0.04 ± 0.36	0.05 ± 0.28	0.03 ± 0.58	0.07 ± 0.36	0.02 ± 0.40	0.07 ± 0.35	0.04 ± 0.67	Age: F = 2.03, P = 0.12; Position: F = 13.59, P = 0.00 (CC^a > PM^b); Age × Position: F = 3.39, P = 0.03.

N = 5 for young, N = 5 for medium, N = 5 for adult, N = 5 for old, N = 20 for PM, and N = 20 for CC.
Contrasting letters a, b, and c refer to significant differences between ages (young, medium, adult, and old) or pit and mound (PM) and closed canopy (CC) microsites.