Accumulation of Heavy Metals in Crayfish and Fish from Selected Czech Reservoirs

Table 4

Statistical comparison of metal accumulation in abdominal muscle of crayfish from Boskovice, Landštejn, Nová Říše, and Darkovské moře.

Test	Cd	Cr	Cu	Pb	Hg	Ni	Zn
𝐾𝑊−𝐻 (3, 40)	33.07	24.36	27.96	39.00	27.35	6.54*	23.55
𝑃	<0.05	<0.05	<0.05	<0.05	<0.05	<0.05	<0.05

∗df = 2 since nickel was not detected in crayfish abdominal muscle from Darkovské moře.