A summary of the pathways categorisation scheme reproduced with permission from Harrower et al. (2017). The pathways are classified into three types: 

  1. intentional transport of taxa (blue)
  2. unintentionally transported (green)
  3. taxa moved between regions without direct transportation by humans and/or via artificial corridors (orange & yellow). 
  Part of: Groom Q, Desmet P, Reyserhove L, Adriaens T, Oldoni D, Vanderhoeven S, Baskauf SJ, Chapman A, McGeoch M, Walls R, Wieczorek J, Wilson JR.U, Zermoglio PFF, Simpson A (2019) Improving Darwin Core for research and management of alien species. Biodiversity Information Science and Standards 3: e38084. https://doi.org/10.3897/biss.3.38084