Macro-benthos Site Pre-monsoon 2009 Monsoon 2009 Post-monsoon 2010 Pre-monsoon 2010 Monsoon 2010 Post-monsoon 2011 Thais carinifera I 32±2 24±4 27±2 33±2 24±4 27±3 II 46±7 35±2 45±3 50±4 34±4 48±4 Perinereiscultrifera I 217±17 164±8 222±25 222±16 179±6 206±9 II 235±36 188±5 227±15 270±17 197±7 244±17 Ucaannulipes I 55±4 37±4 46±7 55±6 37±3 49±3 II 66±3 47±3 59±4 62±4 46±2 57±3

Table 1: Seasonal variation of density of selected macrobenthos from mangroves of Uran.