ECOLOGY

GLHS

http://blog.ted.com/2013/02/27/fighting-the-growing-deserts-with-livestock-allan-savory-at-ted2013/

After reading the article at the above link, explain the following Allen Savory quote:  “I can think of almost nothing that offers more hope for our planet, for our children, for their children, and for all of humanity.”

Your explanation/response should be a minimum of 3 complete sentences.

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http://esciencenews.com/articles/2011/02/21/new.study.illustrates.shifting.biomes.alaska

After reading the article, answer the following questions:

1.  Identify what the present biome is shifting to (what is the new biome?).

2.  Explain how tree ring data is used to chart this shift.

3.  Explain how tree rings show drought or rainy conditions during any given year?