4. Burning - Prof. Turner The Earth Transformed 9.11.07 I)...

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Prof. Turner The Earth Transformed 9.11.07 I) Local to Regional Changes in States: Through the 15 th Century Burning Landscapes – Managing Forests 1) Early Impacts of our Species a Homo sapiens = environmental impacts b From our inception to 15 th century, impacts local to regional in scale & on states or faces c Impacts and change from “proximate activities” (immediate actions) of: (i) Gathering a = Selective attention to and saving of plant species b Co-evolved or humanized forest thousands of years or fathering and culling/managing = “economically useful” forest (ii) Fire/hunting a Before agriculture, fire was a major element of “the hunt” overkill in some cases b Sustained and enlarged grasslands from open woodlands (Serengeti) c Create fire climax vegetation d Eradicate species: loss of mega-fauna in North America and Australia e Old : Climate change Newer : people necessary because previous climate changes did not create extinction f Hunting impacts on mega-fauna was greater because many were slow
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This note was uploaded on 04/24/2008 for the course GEOG 180 taught by Professor Turner during the Fall '08 term at Clark University.

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4. Burning - Prof. Turner The Earth Transformed 9.11.07 I)...

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