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Period: to
El Nino
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1957-1958 El Nino cause damage to the California's kelp forest
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1965-1966 decline in Guano birdpopulation in Peru
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Longest southern oscillation event on reord
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1997-1998 El Nino marks one of the strongest warm episodes in the last 50 years
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2009-2010 El Nino Modoki it forms in the central Pacific
