Analysis and Determination of Trace Metals (Nickel, Cadmium, Chromium, and Lead) in Tissues of Pampus argenteus and Platycephalus indicus in the Hara Reserve, Iran

Table 2

Heavy metal concentrations in different organs (𝜇g/g wet wt.) of P. indicus and bioaccumulation factor (BAF).

Metal	Tissue	Small size		Big size		BAF
		Range	Mean ± SD	Range	Mean ± SD
Pb	Muscle	0.68–0.78	0.73±0.05^aA	0.53–0.63	0.58±0.03^bA	4.2
	Gill	0.98–1.36	1.08±0.15^aB	0.73–0.94	0.84±0.07^bB	6.13
	Liver	1.5–2.02	1.7±0.2^aC	1.17–1.41	1.29±0.08^bC	9.53
	Kidney	1.29–1.78	1.46±0.2^aC	0.95–1.24	1.1±0.08^bD	8.13
Cd	Muscle	0.28–0.52	0.39±0.11^aA	0.13–0.33	0.22±0.06^bA	7
	Gill	0.51–0.86	0.66±0.15^aB	0.31–0.53	0.41±0.07^bB	12.25
	Liver	0.94–1.34	1.12±0.17^aC	0.64–0.91	0.81±0.09^bC	22.75
	Kidney	0.67–1.11	0.88±0.19^aBC	0.38–0.62	0.52±0.07^bD	16
Cr	Muscle	0.34–1.07	0.6±0.34^aA	0.14–0.31	0.25±0.06^bA	1.44
	Gill	0.8–1.47	1.07±0.3^aAB	0.54–0.82	0.66±0.08^bB	3.16
	Liver	1.42–3.15	2.05±0.79^aC	0.92–1.5	1.21±0.17^bC	5.96
	Kidney	1.03–2.15	1.46±0.27^aBC	0.63–1.14	0.92±0.16^bD	4.4
Ni	Muscle	2.63–3.06	2.81±0.2^aA	2.43–2.66	2.56±0.07^bA	26.4
	Gill	2.96–3.21	3.07±0.11^aB	2.79–2.93	2.88±0.04^bB	29.4
	Liver	3–3.48	3.39±0.13^aC	2.84–2.97	2.92±0.04^bB	30.3
	Kidney	3.24–3.54	3.24±0.21^aBC	2.94–3.20	3.08±0.09^bC	31.8

^a,bMeans with the same letter in row (different sizes) are not significantly different according to 𝑡-test.
^A,B,C,DMeans with the same letter in column (different tissues) for each metal are not significantly different according to Tukey’s test.
SD: standard deviation.