Table 4 Element contents in mg kg⁻¹ in above-ground plant biomass, values represent means ± sd (standard deviation) from samples of 2015 and 2016; table sorted by site and decreasing cobalt concentration

8

0.188 ± 0.037

42.6 ± 7.1

0.64 ± 0.19

0.93 ± 0.20

8

0.127 ± 0.029

33.2 ± 5.8

0.86 ± 0.26

0.67 ± 0.16

8

0.059 ± 0.009

31.7 ± 4.5

0.52 ± 0.15

0.36 ± 0.07

8

0.051 ± 0.007

44.5 ± 10.2

0.68 ± 0.36

0.17 ± 0.05

8

0.050 ± 0.018

30.6 ± 2.5

1.14 ± 0.30

0.35 ± 0.09

4

0.028 ± 0.006

25.1 ± 2.8

0.08 ± 0.02

0.33 ± 0.03

8

0.027 ± 0.012

37.5 ± 8.1

0.39 ± 0.21

0.22 ± 0.05

24

0.020 ± 0.012

64.5 ± 25.6

2.50 ± 1.30

0.71 ± 0.18

8

0.011 ± 0.002

19.4 ± 0.5

0.43 ± 0.15

0.14 ± 0.01

8

0.010 ± 0.007

18.6 ± 3.3

1.00 ± 0.30

0.13 ± 0.07

8

0.010 ± 0.004

26.3 ± 3.9

1.33 ± 0.18

0.17 ± 0.11

7

0.009 ± 0.005

18.2 ± 1.6

0.40 ± 0.18

0.14 ± 0.04

8

0.269 ± 0.074

44.3 ± 11.6

0.35 ± 0.18

0.53 ± 0.14

8

0.148 ± 0.065

40.1 ± 12.3

0.36 ± 0.17

0.35 ± 0.10

8

0.143 ± 0.073

43.6 ± 9.6

0.18 ± 0.05

0.27 ± 0.08

8

0.130 ± 0.052

50.3 ± 30.6

0.38 ± 0.12

0.17 ± 0.09

8

0.126 ± 0.067

35.0 ± 9.1

0.33 ± 0.10

0.26 ± 0.07

8

0.111 ± 0.041

32.5 ± 6.8

0.31 ± 0.13

0.27 ± 0.07

4

0.044 ± 0.035

32.9 ± 6.1

0.09 ± 0.02

0.28 ± 0.05

12

0.034 ± 0.019

77.6 ± 21.0

1.30 ± 0.20

0.42 ± 0.13

4

0.031 ± 0.012

22.1 ± 5.3

0.58 ± 0.23

0.23 ± 0.16

8

0.014 ± 0.007

18.3 ± 1.5

0.32 ± 0.12

0.09 ± 0.01

8

0.011 ± 0.003

20.4 ± 4.8

0.52 ± 0.34

0.09 ± 0.06

8

0.008 ± 0.007

16.9 ± 3.3

0.32 ± 0.17

0.08 ± 0.02