Ecological Studies Volume 88, 1991, pp 66-74

The Effects of El Niño on Galapagos Pinnipeds

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The effects of the 1982–83 El Niño (EN) were most severe in the eastern tropical Pacific (see Fahrbach et al. and Arntz et al., this Vol.) and the seal populations in the area of Galapagos and Peru suffered most from the impact of this event. The ocean around the Galapagos warmed rapidly in September 1982 and remained warm until July 1983 with a short, somewhat cooler period in February/March 1983.