Consecutive steps in the development of the catalogue of measures for the first German action plan on the pathways of invasive alien species. The number of measures resulting from each step is given in square brackets. Thirty-eight out of the 124 possible measures were selected, aggregated and finalised to a list of 24 tangible measures that result in the action plan after a series of deliberation processes.

 
 
  Part of: Mayer K, Heger T, Kühn I, Nehring S, Gaertner M (2023) Germany’s first Action plan on the pathways of invasive alien species to prevent their unintentional introduction and spread. NeoBiota 89: 209-227. https://doi.org/10.3897/neobiota.89.106323