S.No. Location Cr Mn Co Ni Zn References 1 Coastal shandong, 35-99.6 - - 19-56.8 37-181.1 [1] Penninsula 2 Izmit Bay, Turkey 74.3 - - - 930 [6] 3 Danube River, Europa 26.5-556.5 442-1655 - 17.5-173.3 78-2010 [7] 4 Bohai Bay, Bohai Sea China. 33.5 - - 30.5 71.7 [8] 5 Bremen Bay, Germany 131 - - 60 790 [9] 6 Tinto River, Spain 11-151 - 6.8-42 1.6-36 68-5280 [10] 7 Pearl river estuary 89 - - 41.7 150 [11] 8 Kafrain Dam, Jordan 160 730 60 100 120 [12] 9 Masan Bay, Korea 67.1 - - 28.8 206.3 [13] 10 East Coast of Tamilnadu, India 80.03 367.65 6.68 24.80 39.79 Present Study

Table 3: Comparison of heavy metal (mgkg-1) concentration of present work with other countries.