Exposure to increased ambient ultraviolet B radiation has negative effects on growth, condition and immune function of juvenile Atlantic salmon (Salmo salar)

Photochemistry and Photobiology
Ilmari E JokinenHoward I Browman

Abstract

Atlantic salmon (Salmo salar) parr were exposed in two outdoor experiments, ranging in duration from 52 to 137 days, to spectral treatments: (1) natural sunlight (=present ambient UVB level), (2) solar radiation supplemented with enhanced UVB radiation from lamps simulating 20% or 8% stratospheric ozone loss or (3) UVB-depleted sunlight achieved by screening with Mylar-D film. The growth, condition and immune function of the salmon were quantified after treatments. Exposure to enhanced UVB radiation retarded growth, and decreased hematocrit value and plasma protein concentration. Further, enhanced UVB radiation affected plasma immunoglobulin concentration. The results demonstrate that juvenile Atlantic salmon are not able to fully adapt to increased ambient UVB levels in long-term exposures, and the interference with immune system function suggests a negative effect of UVB on disease resistance in Atlantic salmon.

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Citations

May 23, 2013·Environmental Science & Technology·Ana L SantosAngela Cunha
Jan 24, 2009·Photochemistry and Photobiology·Eveliina MarkkulaIlmari E Jokinen
Sep 27, 2016·Conservation Physiology·Emma CeccatoCraig E Franklin
Mar 23, 2010·Photochemical & Photobiological Sciences : Official Journal of the European Photochemistry Association and the European Society for Photobiology·Anthony AndradyRichard G Zepp
Mar 5, 2009·Photochemical & Photobiological Sciences : Official Journal of the European Photochemistry Association and the European Society for Photobiology·Anthony AndradyUNKNOWN United Nations Environment Programme, Environmental Effects Assessment Panel
Apr 23, 2020·Photochemical & Photobiological Sciences : Official Journal of the European Photochemistry Association and the European Society for Photobiology·Claire Vergneau-Grosset, Franck Péron
Jan 22, 2011·Photochemical & Photobiological Sciences : Official Journal of the European Photochemistry Association and the European Society for Photobiology·D-P HäderR C Worrest
Nov 1, 2020·The Science of the Total Environment·Mário J AraújoMarta S Monteiro
Oct 21, 2020·The Science of the Total Environment·Essie M RodgersGudrun De Boeck
Apr 16, 2021·Photochemical & Photobiological Sciences : Official Journal of the European Photochemistry Association and the European Society for Photobiology·Claire Vergneau-Grosset, Franck Péron

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