Skip to main content


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 variableDetails/examples
ReferenceAuthors, year, title, publisher
Publication typeBook chapter, journal paper, thesis, report, etc.
Article languageEnglish/French
Specific questionQuestion #1, 2, 3, 4, 5 or 6
Study country 
Study region(s) 
GPS coordinates 
Biological group(s)Carabid, wild bees, etc.
LTI(s)Roads/railways/power lines/pipelines/waterways
Type of habitat of the vergeGrassland, shrubland, hedge, forest, etc.
ComparisonQuestions #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 designSpatial/temporal/spatial and temporal comparisons
Measured outcomesAbundance, species richness, Shannon index, etc.
Susceptibility to biasLow/medium