Floristic Diversity and Natural Regeneration Status of Entoto Mountain and the Surrounding Area in Addis Ababa, Ethiopia

Table 2

Shannon, evenness, Simpson's indices and species richness for the land-use categories.

Land-use category	No. of plots	Total area (ha)	No. of individuals/ha	Species richness	Shannon diversity index	Evenness index	Simpson (1 − D)
Riverine vegetation	4	0.16	5256	39	2.92	0.47	0.91
Natural forest	9	0.36	3761	42	2.92	0.44	0.91
Plantation forest	13	0.52	3073	45	2.85	0.38	0.91
Eucalyptus plantation forest	25	1.0	3642	63	2.60	0.21	0.83
Degraded land	11	0.44	2118	15	1.48	0.29	0.58
Total	62	2.48	3373	78	2.96	0.25	0.89