10-15 - 10-15-08 Geography 1111 North American Vegetation...

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Unformatted text preview: 10-15-08 Geography 1111 North American Vegetation S-N T ransect 1. 2. 3. 4. Coastal Plain pine forests Eastern deciduous forests Boreal forests Tundra S-N Vegetation T ransect • From the S US to N Canada: o Annual precipitation decreases o Mean annual temp decreases o Growing season decreases Coastal Plain Pine Forests Environment: • Long growing season • Moderate rainfall • =relatively high NPP • Forests • Georgia’s coastal plain= sand—coarse texture, drains fast, dry • Sandy substrates= dry, infertile soils, recurrent fi re which =s forest and evergreen needleleaf B roadleaf Deciduous Forests Environment: • Long growing season • Freezes in winter • Wet year-round b roadleaf forest, deciduous leaves • Fertile substrates • =relatively high NPP which means forests Boreal Forests Env ironment: • short growing season forest, evergreen leaves • adequate summer rainfall • long severe winter needleleaf t rees T und ra Environment: • very short growing seasonlow NPP • summer freezeslow NPP • long severe winter low growing plants • =grassland ...
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10-15 - 10-15-08 Geography 1111 North American Vegetation...

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