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Table 7 Coding tool for the included studies database

From: Can linear transportation infrastructure verges constitute a habitat and/or a corridor for insects in temperate landscapes? A systematic review

Coding variable



Authors, year, title, publisher

Publication type

Book chapter, journal paper, thesis, report, etc.

Article language


Specific question

Question #1, 2, 3, 4, 5 or 6

Study country


Study region(s)


GPS coordinates


Biological group(s)

Carabid, wild bees, etc.


Roads/railways/power lines/pipelines/waterways

Type of habitat of the verge

Grassland, shrubland, hedge, forest, etc.


Questions #2 and 4: type of habitat of the control site

Questions #1 and 3: management practices (mowing, pesticide spreading, pruning, planting, fence laying, beehive setting up, etc.)

Question #5 and 6: landscape metric(s) and spatial scale(s)

Study design

Spatial/temporal/spatial and temporal comparisons

Measured outcomes

Abundance, species richness, Shannon index, etc.

Susceptibility to bias