Table 2 Accumulated mortality (%) of C. dauricus exposed to various Cu concentrations for 24, 48, 72, and 96 h and its medium lethal concentration (LC50 with 95% confidence limits) calculated by Probit analysis.

From: Acute and sub-chronic effects of copper on survival, respiratory metabolism, and metal accumulation in Cambaroides dauricus

Exposure time (h)

Cu concentration (mg/L)

LC50 (mg/L)

0

20

24

29

35

42

50

24 h

0

0

0

15

40

72

80

39.11 (35.99–42.87)

48 h

0

0

0

27

68

85

90

34.87 (30.23–39.99)

72 h

0

0

0

30

75

85

95

33.80 (29.69–38.24)

96 h

0

0

0

37

77

88

100

32.50 (29.66–35.57)

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