Woody Species Diversity and Structure of Protected Woodlands Adjacent to Free Grazing Land Woodland at Dugda Woreda, Oromia, Ethiopia

Table 4

Summary of IVI of woody species in free grazed woodland in descending order.

Free grazed woodland
Species name	Family	RF	RDO	RD	IVI
Acacia tortilis	Fabaceae	23.71134	95.76186	43.6377	163.1109
Acacia gerrardii	Fabaceae	9.278351	0.900861	8.067473	18.24668
Dichrostachys cinerea	Fabaceae	7.216495	0.613333	9.717638	17.54747
Acacia amythethophylla	Fabaceae	8.247423	1.086908	6.784012	16.11834
Balanites aegyptiaca	Fabaceae	11.34021	0.058752	4.033737	15.43269
Acacia seyal	Fabaceae	9.278351	0.428176	2.383572	12.0901
Faidherbia albida	Fabaceae	6.185567	0.009614	4.950495	11.14568
Acacia senegal	Fabaceae	4.123711	0.605321	6.233957	10.96299
Acacia nilotica	Fabaceae	6.185567	0.089018	4.583792	10.85838
Acacia asak	Fabaceae	4.123711	0.011572	2.383572	6.518855
Acacia decurrens	Fabaceae	3.092784	0.05982	2.933627	6.08623
Acacia brevispica	Fabaceae	4.123711	0.000935	1.283462	5.408108
Ehretia cymosa	Boraginaceae	2.061856	0.373875	2.566923	5.002654
Capparis cartilaginea	Capparidaceae	1.030928	1.87E − 06	0.550055	1.580985
Total		100	100	100	300

RF = relative frequency; RDO = relative dominance; RD = relative density; IVI = important value index.