Geographical location of the study site Svalbard (highlighted in black).

 
 
  Part of: Rumpf SB, Alsos IG, Ware C (2018) Prevention of microbial species introductions to the Arctic: The efficacy of footwear disinfection measures on cruise ships. NeoBiota 37: 37-49. https://doi.org/10.3897/neobiota.37.22088