By Dora Novakova | 9:02 PM UTC, Wed July 13, 2016 Locality Ahja River Country Estonia Year 2013 Temperature (°C) 20.0 pH 8.0 Conductivity (μS/cm) 344 Species Chrysosphaerella brevispina Mallomonas acaroides Mallomonas alata Mallomonas annulata Synura curtispina Synura lapponica (= Neotessella lapponica) Synura petersenii Synura uvella References CERTNEROVA & SKALOUD (2020) Coordinates 58.26853, 27.132563