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Table 9 Sample sizes (nb of study cases) for both abundance and species richness by LTI, trophic guild and habitat specialization

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

 AbundanceSpecies richness
Pipeline/power lineRailwayHighwayNon highway roadWaterwayPipeline/power lineRailwayHighwayNon highway roadWaterway
All1767631765273415197
Primary consumer40812217001132
 Generalist  2       
 Open  20       
 Forest          
 NA4 592217  1132
Pollinator163761027324202
 Generalist4142345      
 Open31818       
 Forest 23       
 NA119144723242 2
Omnivore20411000000
 Generalist  91      
 Open1 3       
 Forest1         
 NA  29       
Secondary consumer30800110900
 Generalist  11    2  
 Open  27    3  
 Forest  2    2  
 NA3 40 11 2  
Trophic level NA401335600363
 Generalist1         
 Open  4       
 Forest          
 NA3 9356  363
  1. NA non available data