[OANNES Foro] Between the 6th and 16th centuries A.D., El Niño had a strong negative impact on marine productivity

[Mario Cabrejos]

Archaeology e-Update
World Roundup
ARCHAEOLOGY MAGAZINE, 11 Jun 2013 

http://www.archaeology.org/issues/97-1307/world?utm_source=MailerMailer&utm_medium=email&utm_content=World+Roundup&utm_campaign=Archaeology+e-Update



(Courtesy C. Fred Andrus, University of Alabama, Photo: Santiago Uceda)

PERU: El Niño, the recurring climatic phenomenon in which a band of warm, nutrient-poor water develops off the South American coast, has profound impacts. A study of clamshells, which reflect the ocean environment in which they grew, shows that between the 6th and 16th centuries A.D., El Niño had a strong negative impact on marine productivity. The Moche people relied on these marine resources, as well as on agriculture, which would have suffered from El Niño-related droughts and floods. This destabilization of the food supply may have contributed to the society's dissolution around A.D. 800. -Samir S. Patel
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