Electrofishing eel, salmon and trout: impact of waveform and frequency on capture-per-unit-effort and spinal damageGaétan Pottier, Marie Nevoux and Frédéric MarchandKnowl. Manag. Aquat. Ecosyst., 421 (2020) 42DOI: https://doi.org/10.1051/kmae/2020034