Correspondence analysis (CA) ordination diagram with plotted samples and species of Oligochaeta from the studied underground water types. Abbreviations: B.appe- Buchholzia appendiculata, C.atra- Cernosvitoviella atrata, C.parv- Cernosvitoviella parviseta, C.tatr- Cernosvitoviella tatrensis, C.spha- Cognettia sphagnetorum, E.buch- Enchytraeus buchholzi, E.domi- Enchytraeus dominicae, E.lact- Enchytraeus lacteus, H.gord- Haplotaxis gordioides, H.perp- Henlea perpusilla, H.vent- Henlea ventriculosa, L.hoff- Limnodrilus hoffmeisteri, L.vari- Lumbriculus variegatus, M.arge- Marionina argentea, M.ripa- Marionina riparia, N.comm- Nais communis, N.elin- Nais elinguis, P.aequ- Pristina aequiseta, P.meno- Pristina menoni, P.volk- Propappus volki, R.cocc- Rhyacodrilus coccineus, S.heri- Stylodrilus heringianus, T.mora- Trichodrilus moravicus, T.tubi- Tubifex tubifex.