Näslund, J., Andersson, M., Bergek, S., Degerman, E., Donadi, S., Duberg, J., Holmgren, K., Kinnerbäck, A., Sers, B., Staveley, T., Strömberg, H. and Myrstener, E. 2023. Considerations needed for analysing data from the Swedish Electrofishing RegiSter (SERS), with special reference to the RivFishTIME database of long-term riverine fish surveys. Fauna norvegica. 42, (Dec. 2023), 47-51. DOI:https://doi.org/10.5324/fn.v42i0.5647.