Table 1. Description of spider and plant traits used in the study.
| Group | Trait category | Trait (abrev.) | Category | Definition |
| Spiders | Morphological | body size (body) | quantitative | (cephalothorax length*width)+(abdomen length*width) |
| leg size (leg) | quantitative | (average of anterior and posterior femur)/cephalothorax length | ||
| eye size (eye) | quantitative | Larger frontal eye width/cephalothorax width | ||
| chelicerae size (chel) | quantitative | (chelicerae length*width)/(cephalothorax length*width) | ||
| Feeding behavior | ground hunters (gh) | binary | ground hunters = 1; other = 0 | |
| vegetation hunters (vh) | binary | vegetation hunters = 1; other = 0 | ||
| orb web (ow) | binary | orb web = 1; other = 0 | ||
| irregular web (iw) | binary | irregular web = 1; other = 0 | ||
| Plants | Morphological | plant height (pl_he) | quantitative | plant height |
| leaf area (le_ar) | quantitative | leaf area | ||
| leaf lengh (le_le) | quantitative | leaf length | ||
| leaf width (le_w) | quantitative | leaf width | ||
| Life-form | graminoids (gram) | binary | graminoids = 1; other = 0 | |
| forbs (for) | binary | forbs = 1; other = 0 | ||
| rosettes (ros) | binary | rosettes = 1; other = 0 |