In Arabian Sea (Cr. No. 228 & 233) Shannon-wiener diversity (H’(log2)),
Peilou’s evenness (J’) and Species richness (d) were found to be higher at 500 m
depth region. The diversity ranged from 0.73 to 2.24 and maximum was found at
500 m depth zone (Fig. 3.8a). Evenness was found to be in the range 0.31 to 0.70
(Fig. 3.8b) and richness in the range 0.87 to 1.7 (Fig. 3.8c). Dominance (λ) showed
an inverse relationship with diversity and ranged from 0.2