Site Copper Lead Chromium Zinc Yas 0.009 ± 0.003 0.099 ± 0.014 0.015 ± 0.003 3.857 ± 0.216 Musaffah Channel 0.005 ± 0.001 0.020 ± 0.006 0.013 ± 0.002 0.111 ± 0.005 Al Samaliyyah 0.005 ± 0.002 0.010 ± 0.002 0.019 ± 0.005 1.293 ± 0.078 Eastern Corniche 0.023 ± 0.007 0.090 ± 0.003 0.005 ± 0.001 3.181 ± 0.192 Saadiyat 0.005 ± 0.002 0.108 ± 0.013 0.004 ± 0.0008 3.873 ± 0.232 Average Concentration 0.0094 ± 0.0077 0.0654 ± 0.0455 0.0112 ± 0.052 2.463 ± 1.684 Mean values ± standard deviation (n=3)

Table 1: Heavy metal concentrations (μg/g dry weight) in mangrove leaves.