Table 1

Effects of 21-day cadmium exposure on Daphnia pulex

Cadmium (μg/l)

Length (mm)

Lipid-Ovary Indexa

Number of Clutchesa

Total neonatesa

Per Capita Birth Rate (b)a


0

2.90 ± 0.11a

3.83 ± 1.50a

5.50 ± 0.55a

118.86 ± 29.94a

5.37 ± 0.89a

0.25

2.54 ± 0.10b

1.57 ± 1.13b

4.63 ± 0.52a

65.13 ± 16.60b

2.88 ± 0.66b

0.5

2.41 ± 0.12b

1.14 ± 0.69b

4.29 ± 0.76a

51.00 ± 25.66b

2.22 ± 1.12b

1

2.26 ± 0.16b, c

1.25 ± 0.96b

2.00 ± 1.00b

8.60 ± 3.85c

0.39 ± 0.18c

1.75

2.16 ± 0.12c

1.00 ± 0.93b

2.22 ± 1.09b

13.00 ± 8.04c

0.58 ± 0.34c

2.5

2.04 ± 0.14c

1.0 ± 0.83b

1.50 ± 1.05b

5.67 ± 5.32c

0.25 ± 0.23c


aValues with different letters are significantly different (P < 0.05).

Shaw et al. BMC Genomics 2007 8:477   doi:10.1186/1471-2164-8-477

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