Table 5.

Diversity indices of soil algae revealed in various farmlands in mid Taiwan

Index	Rice paddy	Vegetable farm	Sugarcane farm	Tea garden	Orchard
Shannon diversity index	4.63±0.46	3.54±0.54	1.89±0.22	2.13±0.24	3.49±0.60
Evenness index	0.93±0.03	0.88±0.05	0.54±0.04	0.72±0.03	0.85±0.05
Simpson index	0.91±0.03	0.86±0.04	0.44±0.05	0.72±0.04	0.84±0.03