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Table 2 Effects of different concentrations of heavy metals and pentachlorophenol (Pent.) on the compensation points (CP, μmol m-2 s-1) of photosynthesis in C. reinhardtii after 24 h exposure.

From: Effects of Cu2+, Ni2+, Pb2+, Zn2+ and pentachlorophenol on photosynthesis and motility in Chlamydomonas reinhardtii in short-term exposure experiments

Concentration,

Substances

mg l-1

Copper

Nickel

Lead

Zinc

Pent.

0.0

118

118

118

118

118

0.1

162

126

61

88

19

0.5

366

165

48

85

48

1.0

579

132

48

98

29

1.5

579

192

38

83

 

2.0

579

105

98

108

 

5.0

    

21

10.0

    

31

R

0.87

 

0.45

0.58

 
  1. R - coefficient of correlation between increasing concentrations of the substances tested and the CPs. Absolute values of R below 0.15 are not shown.
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BMC Ecology

ISSN: 1472-6785

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