Journal of Environmental and Public Health

Research Article

Relationship between Potential Trace Elements Contamination in Sediment and Macrofauna in the Upper Gulf of Thailand

Table 2

The I_geo, EF, and CF values of heavy metals in the sediment of the upper Gulf of Thailand.


Element	Index	Point of samples collected
Element	I _geo	SH	CH	SP	PB	SS

Al		0.6376 ± 0.0062^a	−0.3668 ± 0.0046^b	−0.0148 ± 0.0271^c	−0.7697 ± 0.0261^d	−0.7701 ± 0.3834^d
As		−2.345 ± 0.0698	−2.476 ± 0.5226	−2.334 ± 0.0575	−2.165 ± 0.0321	−2.489 ± 0.1125
Pb		−0.4629 ± 0.0107^a	−0.735 ± 0.0140^b	−0.1256 ± 0.0330^c	−1.225 ± 0.0476^d	−1.249 ± 0.0402^d
Cd		−0.6035 ± 0.0275^a	−0.6108 ± 0.0068^a	−0.5582 ± 0.0139^b	−0.6276 ± 0.0199^a	−0.6287 ± 0.118^a
Mn		0.1873 ± 0.0046^a	−0.1664 ± 0.0202^b	0.5936 ± 0.0029^c	−1.509 ± 0.0066^d	−2.216 ± 0.0407^e
Ni		−0.4576 ± 0.0106^a	−0.8404 ± 0.0036^b	−0.3872 ± 0.0027^c	−1.241 ± 0.0147^d	−1.281 ± 0.3894^e

	EF	SH	CH	SP	PB	SS
As		0.0002 ± 0.0000^a	0.0023 ± 0.0000^a	0.0010 ± 0.0000^a	0.0058 ± 0.0003^b	0.0072 ± 0.0044^b
Pb		0.0003 ± 0.0000^a	0.0038 ± 0.0000^a	0.0017 ± 0.0001^a	0.0097 ± 0.0005^b	0.0119 ± 0.0073^b
Cd		0.0000 ± 0.0000^a	0.0007 ± 0.0000^a	0.0003 ± 0.0000^a	0.0020 ± 0.0001^b	0.0024 ± 0.0015^b
Mn		0.0058 ± 0.0000^a	0.0587 ± 0.0006^ab	0.0261 ± 0.0016^a	0.1488 ± 0.0088^b	0.1830 ± 0.1120^c
Ni		0.0005 ± 0.0000^a	0.0056 ± 0.0000^ab	0.0025 ± 0.0001^a	0.0143 ± 0.0008^bc	0.0176 ± 0.0107^c

	CF	SH	CH	SP	PB	SS
Al		6.512 ± 0.0943^a	0.6445 ± 0.0069^b	1.451 ± 0.0906^c	0.2551 ± 0.0154^d	0.3372 ± 0.3192^d
As		0.0045 ± 0.0007^a	0.0047 ± 0.0034^a	0.0046 ± 0.0005^a	0.0068 ± 0.0004^ab	0.0033 ± 0.0008^ac
Pb		0.3444 ± 0.0085^a	0.1840 ± 0.0059^b	0.7503 ± 0.0582^c	0.0597 ± 0.0066^d	0.0565 ± 0.0052^d
Cd		0.3742 ± 0.0238^a	0.3675 ± 0.0058^a	0.4149 ± 0.0134^b	0.3537 ± 0.0163^a	0.3527 ± 0.0096^a
Mn		1.539 ± 0.0166^a	0.6820 ± 0.0321^b	3.923 ± 0.0263^c	0.0309 ± 0.0004^d	0.0060 ± 0.0005^d
Ni		0.3487 ± 0.0085^a	0.1444 ± 0.0012^b	0.4100 ± 0.0025^c	0.0574 ± 0.0019^d	0.0523 ± 0.0028^d

Note. ^abcd This mean difference is significant at the -value 0.05 level (LSD); I_geo = geoaccumulation index; EF = enrichment factor; CF = concentration factor; Al = aluminum; As = arsenic; Pb = lead; Cd = cadmium; Mn = manganese; Ni = nickel.