Table 2

Cochran's test of homogeneous variances among experimental groups.

No common garden treatment

Common garden treatment

Population

Thallus width

Distance between dichotomies

Phlorotannin content

Palatability to grazers

Photochemical yield

Photochemical yield after desiccation

Photochemical yield after freezing

Water content after desiccation

Growth after 3 months


Clone-0

0.40

24.33

104.98

0.01

21.30

31.18

19.02

1.41

7.98

Clone-1

0.16

4.89

77.44

0.01

16.89

59.06

28.89

9.56

11.24

Clone-4

0.38

22.52

55.06

0.01

21.45

119.31

35.24

19.64

6.21

Uniques

0.58

15.62

308.41

0.00

29.68

743.91

728.38

27.68

8.80

Cochran's C

0.38

0.36

0.56*

0.32

0.33

0.78*

0.90*

0.47

0.33


*Significant at P < 0.05, critical C = 0.52. Phenotypic trait variances are indicated for three monoclonal groups and one group of unique multilocus genotypes and compared with Cochran's C. Significant heterogeneity in variances are indicated with a C value in bold

Johannesson et al. BMC Ecology 2012 12:2   doi:10.1186/1472-6785-12-2

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