Table 8 Candidate moderators by category
Category | Variable | Description |
|---|---|---|
(1) LTI | LTI type | LTI category: railway, pipeline, power line, waterway, highway, other roads |
(2) Habitat contrast | Habitat contrast | Contrast between vegetation type of LTI verges and habitats away from LTI. Coded as low, medium, high |
(3) Insect | Trophic level | Feeding guild of group and individual species: primary consumer, pollinator, secondary consumer, omnivore |
Habitat specialization | Habitat preference of individual species: generalist, specialist of open habitats, specialist of forest habitats | |
Conservation status | Category for individual species: species of conservation value, pest/invasive species, other species | |
(4) Study design | Type of literature Replication | Grey versus non-grey literature True spatial replication versus other cases |
Sample location | Transparent and systematic procedure for the selection of sample plots location selection (randomization, fixed distances, grids) versus other cases | |
Study duration | Number of sampling years: single year versus more than 1 year |