Status, Diversity, and Traditional Uses of Homestead Gardens in Northern Bangladesh: A Means of Sustainable Biodiversity Conservation

Table 4

Ecological diversity indices of homestead plant species in rural and urban areas of the study area.

Ecological diversity index*	Tree		Herb		Shrub
	Urban	Rural	Urban	Rural	Urban	Rural
SDI	0.04	0.05	0.07	0.04	0.07	0.04
R	4.59	4.98	2.26	2.03	2.14	1.89
E	2.24	2.23	2.24	2.2	2.13	2.19
H	3.35	3.39	2.5	2.45	2.3	2.36
H max	3.43	3.5	2.56	2.56	2.48	2.48
E H	0.97	0.97	0.97	0.96	0.93	0.95
D	0.04	0.04	0.09	0.09	0.12	0.11
D ′	0.96	0.96	0.91	0.91	0.88	0.89

∗H: Shannon-Winner diversity index, H _max: Shannon’s maximum diversity index, E _H: Shannon’s equitability index, SDI: species diversity index, R: species richness index, E: species evenness index, D: Simpsons index, and D′: dominance of Simpsons index.