10-17 - Geography 1111 North American Vegetation E-W T...

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Unformatted text preview: Geography 1111 10-17-08 North American Vegetation E-W T ransect Midlatitude Grasslands • Eastern Side of Rocky Mountain • Created by rain shadow effect of the Rockies • Moisture source from the east and south in the gulf of Mexico • Fairly dry region, Semi-Arid • Low to moderate rainfall- Low to moderate NNP well linked to precipitation + • Summer rainfall peak = grasslands • Grasslands that you find on the dryer side of normal • Tall and short grass areas • Rains only wet the surface areas of the soil in the summer and there isn't a lot of soil moisture in the summer, only surface layers are wetted • Linear forms of grass and bloom with little flowers • Lots of insects that do well with the pulse of production that occurs in summer season • Perennial herbs • Mowing- removing the top part of the grass, adaptation suits them to fire • Frequent fire • Dead and dying fuel • Consumes the fuel, the live tissue that grows at the root will make them grow back quickly...
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This note was uploaded on 01/17/2011 for the course GEOG 1111 taught by Professor Hopkins during the Fall '08 term at UGA.

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10-17 - Geography 1111 North American Vegetation E-W T...

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