Bay of Bengal (Cr. No. 236):
Shannon-wiener diversity (H’(log2)), Peilou’s evenness (J’) and Species richness (d) were found to be higher at 1000 m depth region of Bay of Bengal (Cr. No. 236). The diversity ranged from 1.32 to 2.54 and maximum was found at 1000 m depth zone (Fig. 3.9a). Evenness was found to be in the range 0.41 to 0.90 (Fig. 3.9b) and richness in the range 1.4 to 1.8 (Fig. 3.9c). Dominance (λ) showed an inverse relationship with diversity and ranged from 0.15 to 0.59 (Fig. 3.9d).