dbRDA ordination for the investigated cave sites during the research in autumn 2019 (based on Bray–Curtis similarity) factored with luminosity ranges: 0 – 0 lx, 1 – 0.07–2.7 lx, 2 – 13.17 lx, 3 – 555 lx.

 
 
  Part of: Borisov RR, Chertoprud ES, Palatov DM, Novichkova AA (2021) Variability in macrozoobenthic assemblages along a gradient of environmental conditions in the stream water of karst caves (Lower Shakuranskaya Cave, western Caucasus). Subterranean Biology 39: 107-127. https://doi.org/10.3897/subtbiol.39.65733