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Table 5 Equilibrium concentration, (Ceq in μg g−1 dry wt), time to reach equilibrium (Teq, in days), mean rate of uptake (Vc, in concentration/days) and bioconcentration factor at equilibrium (BCF)

From: Cadmium uptake kinetics in parts of the seagrass Cymodocea nodosa at high exposure concentrations

Exposure concentration (mg L−1)

 

0.5

5

10

20

40

Blades

 Ceq

203.9

504.7

2155.0

1467.3a

4908.6a

 Teq

34

18

34

17

33

 Vc

6.0

28.0

63.4

86.3

148.7

 BCF

404.3

100.6

215.3

73.3

122.7

Sheaths

 Ceq

11.7

109.1

228.5

457.6a

836.2

 Teq

14

20

16

19

11

 Vc

0.8

5.5

14.3

24.1

76.0

 BCF

21.3

21.6

22.7

22.8

20.9

Rhizomes

 Ceq

43.8

193.6

144.0

439.0a

824.5a

 Teq

31

22

7

14

3

 Vc

1.4

8.8

20.6

31.4

274.8

 BCF

86.3

38.6

14.3

21.9

20.6

Roots

 Ceq

126.2

322.5

3138.9a

5694.9a

 

 Teq

9

3

29

29

 

 Vc

14.0

107.5

108.2

196.4

 

 BCF

251.9

64.4

313.9

284.7

 
  1. The exposure concentrations of 0.5, 5, 10, 20 and 40 mg L−1 correspond to 4.44, 44.48, 88.95, 177.94 and 355.88 μM, respectively
  2. aOnly the initial four points were fitted
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Journal of Biological Research-Thessaloniki

ISSN: 2241-5793

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