Table 6 Degree of clustering of taxa sharing common traits, as quantified by the gsi

Isolation source: cattle

9

0.33

0.0001

Isolation source: human

17

0.19

0.0273

Isolation source: invertebrate

5

0.16

0.0462

Isolation source: non-primate mammal

15

0.37

0.0001

Isolation source: soil

17

0.27

0.0002

Motility

25

0.16

0.2100

Oxygen requirement: aerobic

15

0.19

0.0268

Oxygen requirement: facultative

9

0.22

0.0037

Disease: anthrax

11

0.26

0.0008

Disease: food poisoning

8

0.17

0.0302