A Sampling material, instructions, and data sheets that were provided to well managers B the filter bags were fixed to groundwater draining pipes and collected all washed organisms larger than 0.8 mm C the overflow chambers were sampled with a small aquarium net (here: type locality of Niphargus arolaensis sp. nov.).

 
 
  Part of: Alther R, Bongni N, Borko Š, Fišer C, Altermatt F (2021) Citizen science approach reveals groundwater fauna in Switzerland and a new species of Niphargus (Amphipoda, Niphargidae). Subterranean Biology 39: 1-31. https://doi.org/10.3897/subtbiol.39.66755