Assessing sublethal effects of ultraviolet radiation in juvenile rainbow trout (Oncorhynchus mykiss)

被引：0
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作者：
María Eugenia Alemanni
Mariana Lozada
Horacio E. Zagarese
机构：
[1] Universidad Nacional del Comahue,Laboratorio de Fotobiología, Centro Regional Universitario Bariloche
[2] U. P. Universidad,Laboratorio de Fotobiología Acuática
[3] Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET),undefined
[4] IIB-INTECH (UNSAM-CONICET),undefined
来源：
Photochemical & Photobiological Sciences | 2003年 / 2卷
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摘要：
This paper presents a method for assessing sublethal effects of ultraviolet radiation in fish. The method is based on the assumption that UV-B exposure is stressful to fish. We measured oxygen consumption in UV-B-irradiated rainbow trout juveniles using a UV-transparent respirometer chamber. In addition, we simultaneously monitored fish behavior by videotaping. We found a direct relationship between UV-B irradiance and the percentage increase in oxygen consumption. Increased swimming activity and restless behavior were also noted under UV-B irradiation. The actual mechanisms by which fish perceive UV radiation and a behavioral reaction is triggered are unknown. Based on the present study, a response to UV-A irradiation cannot be ruled out.
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页码：867 / 870
页数：3
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