Table 2 Kinetics of cadmium accumulation in parts of Cymodocea nodosa exposed to different concentrations of cadmium in water

Blades

 C_max

306.5 (± 194.8)

611.2 (± 39.0)

3289.5 (± 1438.7)

1748.5 (± 559.9)^a

7386.1 (± 6749.5)^a

 K _m

17.1 (± 15.3)

3.8 (± 0.6)

17.9 (± 10.9)

3.3 (± 2.6)

16.7 (± 20.4)

 C_max/(2 × K _m )

9.0

80.4

91.9

264.9

221.1

 r²

0.968***

0.997***

0.986***

0.971**

0.975**

Sheaths

 C_max

13.5 (± 3.0)

134.8 (± 22.8)

272.8 (± 132.6)

568.4 (± 73.3)^a

942.6 (± 180.6)

 K _m

0.1 (± 1.1)

4.7 (± 1.8)

3.1 (± 4.3)

4.6 (± 1.3)

1.4 (± 1.3)

 C_max/(2 × K _m )

67.5

14.3

44.0

61.8

336.6

 r²

0.881**

0.985***

0.837**

0.997***

0.950**

Rhizomes

 C_max

63.7 (± 33.9)

405.2 (± 204.8)

514.2 (± 158.2)^a

852.0 (± 82.0)^a

 K _m

14.1 (± 11.2)

12.7 (± 9.8)

2.4 (± 2.2)

0.1 (± 0.4)

 C_max/(2 × K _m )

2.2

16.0

107.1

4260.0

 r²

0.968***

0.968***

0.965**

0.992**

Roots

 C_max

138.8 (± 27.8)

333.3 (± 106.0)

 K _m

0.9 (± 1.2)

0.1 (± 1.5)

 C_max/(2 × K _m )

77.1

1666.5

 r²

0.937**

0.812**