[Aztlan] The Nazca self destructed

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-----Original Message-----
>From: michael ruggeri <michaelruggeri at mac.com>
>Sent: Nov 1, 2009 3:00 PM
>To: aztlan at lists.famsi.org
>Subject: [Aztlan] The Nazca self destructed
>
>
>Listeros,
>
>Archaeologists studying the Nazca have found that they self destructed  
>by destroying their forests around 500CE. The study was posted in the  
>journal Latin American Antiquity. The Nazca cleared too much forest  
>for agriculture and the Huarango tree was replaced by cotton and  
>maize. The tree was crucial to the desert's fragile ecosystem and held  
>the Nazca irrigation canals in place. An El Nino flood then devastated  
>their area. The tree was needed for food, forage, timber and fuel and  
>enhanced soil fertility and moisture and its deep roots held down the  
>soil.
>Once the flood happened, the harsh desert winds then completed the  
>destruction of Nazca culture.
>
>Mike Ruggeri
>
>http://www.telegraph.co.uk/news/worldnews/southamerica/peru/6478168/Nazcas-destruction-of-forests-caused-downfall.html
>
>A tiny URL;
>http://fwd4.me/2LT
>
>
>Mike Ruggeri
>
>Mike Ruggeri's Andean Archaeology News and Links
>http://tinyurl.com/d92x3n
>
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