Research Article

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

Table 8

Metal concentration (mg kg−1 dw) in crayfish ( from each locality) hepatopancreas. Values are given as mean ± s.d.

Locality Aluminium Cadmium Chromium Copper Lead Mercury Nickel Zinc

BoskoviceN/D1.76 ± 0.43b3.76 ± 1.57a103.97 ± 105.37bc<0.50b0.14 ± 0.09a1.11 ± 1.33b176.10 ± 56.22a
LandštejnN/D7.31 ± 2.56a2.49 ± 2.63ab30.41 ± 32.22c0.82 ± 0.35a0.10 ± 0.03ab3.89 ± 2.60ab100.29 ± 34.98b
Nová ŘíšeN/D1.50 ± 0.40b0.87 ± 1.08b410.10 ± 154.70ab<0.50b0.08 ± 0.04ab13.72 ± 9.99a199.60 ± 59.80a
Darkovské moře10 ± 102.58 ± 1.36b0.80 ± 0.67b794.70 ± 234.74a<0.50b0.07 ± 0.03bN/D200.10 ± 58.46a

Values marked by different letters differed significantly at .
N/D Metal was not detected.