Assessing Heavy Metals Accumulation in the Leaves and Sediments of Urban Mangroves (Avicennia marina (Forsk.) Vierh.) in Bahrain

Table 1

Mean concentrations of heavy metals in mg L⁻¹ (±SEM) () in the leaves of gray .

Site	Cr	Cu	Fe	Mn	Mo	Ni	Zn
Tubli	2.45	18.46	659.77	31.51	5.95	6.55	49.00
Sitra (1)	2.22	18.92	638.30	34.38	35.99	6.10	31.38
Sitra (2)	2.09	17.85	625.97	32.97	11.41	6.81	42.09
Einollahipeer et al. (2013)	—	37.73	—	—	—	2.44	33.83
Abohassan (2013)	4.53	4.17	39.54	11.14	—	6.74	4.23
Usman et al. (2013)	8.15–14.9	256–356.6	—	—	—	1.37–4.02	29.5–36.8
Almahasheer et al. (2014)	—	107.22	63	5.08	—	0.39	3.62

in the same column not connected with the same letter are significantly different (). Pb was not detectable.