Habitat Ecology and Ichthyofaunal Diversity of Two Creeks and Their Associated Streams from Port Blair, South Andaman Islands

Table 7

Diversity indices of the ichthyofaunal diversity.

Indices	Perennial stream	Seasonal stream	Creek	Sink
Total number of species	21	11	48	14
Total number of individuals	395	291	863	152
Simpson Index ()	0.93	0.90	0.97	0.90
Shannon-Weiner Index ()	2.84	2.34	3.59	2.45
Evenness ()	0.78	0.94	0.77	0.83
Margalef’s Diversity Index ()	3.51	1.76	6.80	2.59