. 2022 Jun 8;7(24):21306–21316. doi: 10.1021/acsomega.2c02516

Table 2. Physicochemical Properties (%) and Heavy Metal Concentrations (mg/kg) of Mangrove Surface Sediments in the Study Area^a.

site	gravel	sand	silt	clay	TOC	TN	pH	Co	V	Cu	Pb	Ni	As	Cd	Hg
J1	0.00	51.38	42.69	5.93	0.86	0.08	6.62	2.20	26.24	10.38	16.64	5.47	5.51	0.14	0.04
J2	0.00	42.72	47.47	9.81	0.75	0.08	6.49	3.04	32.82	13.88	19.52	7.06	4.98	0.18	0.06
J3	0.01	53.27	37.93	8.79	0.38	0.04	6.81	2.34	15.48	11.88	13.47	4.70	2.69	0.09	0.04
J4	0.00	62.17	30.34	7.50	0.37	0.04	6.67	2.08	21.70	5.61	14.60	4.30	4.66	0.07	0.04
J5	0.04	44.00	43.97	11.99	0.55	0.05	6.43	2.77	30.60	7.27	19.12	6.50	5.89	0.09	0.05
J6	0.01	34.48	52.46	13.05	2.45	0.19	6.62	4.62	64.73	19.13	33.99	14.77	10.36	0.24	0.09
J7	0.01	22.80	62.68	14.51	1.55	0.20	6.21	4.66	56.94	19.37	31.53	13.83	8.13	0.27	0.10
J8	0.00	20.44	62.11	17.47	4.51	0.35	6.37	6.65	87.71	27.05	42.67	21.88	11.23	0.38	0.13
J9	0.00	59.08	33.05	7.87	1.37	0.12	6.45	1.87	25.51	6.60	16.34	5.88	3.82	0.09	0.04
J10	0.01	57.01	33.99	8.99	1.33	0.15	7.30	3.38	25.65	24.61	22.31	9.40	3.75	0.37	0.24
JA	0.00	24.92	62.75	12.33	4.94	0.64	7.41	5.12	51.88	58.95	36.24	18.17	5.51	1.01	0.58
J11	0.00	70.40	23.48	6.13	0.45	0.05	6.34	1.33	13.70	6.48	10.55	3.13	2.58	0.07	0.04
J12	0.02	79.75	15.29	4.94	0.24	0.04	6.62	1.76	12.26	4.05	9.95	2.96	2.85	0.06	0.03
J13	0.03	54.96	35.59	9.42	1.11	0.12	6.96	2.18	22.48	13.57	15.55	5.84	3.88	0.11	0.05
J14	0.00	59.17	32.39	8.44	1.04	0.11	6.47	2.02	21.50	11.20	17.13	5.35	4.01	0.12	0.05
J15	0.02	51.31	38.21	10.46	2.26	0.22	6.21	3.15	37.73	20.43	25.26	9.71	6.52	0.18	0.08
J16	0.00	59.01	32.23	8.77	1.10	0.13	6.39	2.57	28.12	14.28	21.35	10.02	4.86	0.14	0.06
J17	0.01	68.72	24.41	6.86	0.83	0.09	6.26	2.56	23.42	10.38	18.82	6.31	4.61	0.11	0.04
J18	0.00	62.52	29.55	7.94	0.88	0.08	7.08	2.85	24.20	9.97	18.13	5.89	6.18	0.09	0.04
J19	0.24	77.64	19.66	2.46	0.14	0.03	6.80	2.67	14.09	14.06	12.41	3.72	2.73	0.07	0.03
J20	0.00	74.85	19.96	5.19	0.21	0.02	6.82	2.31	15.11	5.62	11.68	3.26	3.49	0.07	0.03
J21	1.09	70.92	22.51	5.48	0.29	0.04	6.50	1.95	16.33	40.56	15.49	4.05	3.02	0.10	0.03
J22	0.05	59.01	32.61	8.33	0.49	0.06	7.32	2.32	21.55	23.36	16.77	6.31	4.7	0.14	0.12
J23	4.35	75.47	15.84	4.34	0.28	0.03	6.67	1.33	11.92	43.49	10.62	3.24	2.31	0.27	0.06
J24	0.00	35.57	53.32	11.11	2.74	0.27	6.94	4.91	47.30	33.90	31.58	14.82	6.62	0.42	0.11
mean	0.24	54.86	36.18	8.72	1.24	0.13	6.67	2.91	29.96	18.24	20.07	7.86	5.00	0.20	0.09
CV	3.68	0.31	0.39	0.38	0.99	1.02	5.00	0.44	0.61	0.73	0.43	0.63	0.45	1.00	1.27

Note: gravel >2 mm, sand is 0.063–2 mm, silt is 0.004–0.063 mm, and clay <0.004 mm;^28,29 CV stands for the coefficient of variation.

Table 2. Physicochemical Properties (%) and Heavy Metal Concentrations (mg/kg) of Mangrove Surface Sediments in the Study Areaa.

Table 2. Physicochemical Properties (%) and Heavy Metal Concentrations (mg/kg) of Mangrove Surface Sediments in the Study Area^a.