Woody Species Composition, Vegetation Structure, and Regeneration Status of Majang Forest Biosphere Reserves in Southwestern Ethiopia

Table 3

List of equations used for the calculation of vegetation parameters.

Vegetation parameters	Equation	Equation no.	Reference
Density	D =	1	[33]
Relative density	RD =	2	[34, 35]
Frequency	F =	3	[33]
Relative frequency	RF =	4	[34, 35]
Basal area		5	[36]
Relative basal area	BA =	6	[36]
Dominance	Do =	7	[36]
Relative dominance	Do =	8	[36]
Important value index (IVI)	IVI = RD + RF + RD	9	[33, 35, 36]
Jaccard’s similarity coefficient (JSC)	Sj =	10	[37]

a = number of tree species common to sites A and B; b = number of tree species recorded only site A; c = number of tree species recorded only in site B; n: total number of individuals of the species; N: total number of individuals of all the species; x: total number of quadrats in which the species occurs; y: total number of quadrats studied; Fi: frequency of one species; Bi: basal area of one species; Di: dominance of one species.