Heavy Metals Concentration in Sardina pilchardus (Walbaum, 1792) from the Moroccan Mediterranean Coast and Potential Human Health Risk Assessment

Table 4

Analysis of variance for the concentration of heavy metals in different organs of Sardina pilchardus (Walbaum, 1792) from the Mediterranean coast of Morocco.

	df	Mean squares	F-value	value
Cadmium (µg/g )
Area	2	0.100	6.223	<0.01
Organ	2	2.134	133.210	<0.001
Season	3	0.468	29.219	<0.001
Area  organ	4	0.076	3.737	0.002
Area  season	6	0.064	3.972	<0.01
Organ  season	6	0.221	13.803	<0.001
Area  organ  season	12	0.134	8.341	<0.001
Error	72	0.016
Mercury (µg/g )
Area	2	0.008	20212.19	<0.001
Organ	2	0.011	29315.735	<0.001
Season	3	0.008	21327.245	<0.001
Area  organ	4	0.015	38860.560	<0.001
Area  season	6	0.006	15549.203	<0.001
Organ  season	6	0.002	5673.968	<0.001
Area  organ  season	12	0.004	11308.215	<0.001
Error	72	3.843^E^−^007
Lead (µg/g )
Area	2	0.001	5.035	<0.01
Organ	2	0.131	602.938	<0.001
Season	3	0.005	23.945	<0.001
Error	4	0.002	7.437	<0.001
Area  organ	6	0.002	10.435	<0.001
Area  season	6	0.004	18.324	<0.001
Organ  season	12	0.002	11.201	<0.001
Area  organ  season	72	0.001
Arsenic (µg/g )
Area	2	34.337	44.914	<0.001
Organ	2	572.999	749.499	<0.001
Season	3	29.385	38.436	<0.001
Area  organ	4	27.117	35.469	<0.001
Area  season	6	20.860	27.286	<0.001
Organ  season	6	24.985	32.680	<0.001
Area  organ  season	12	20.446	26.744	<0.001
Error	72	0.765

ww: wet weight; df: degrees of freedom.