Biomes_3_4_5_6_2009

Biomes_3_4_5_6_2009 - GEOG 102 BIOMES 3 SAVANNA BIOME Old...

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GEOG 102 – BIOMES 3 SAVANNA BIOME Old Edition: Ch 20, p 680-2 and 685-6, Ch 10, p 295-6 and 299-300 New Edition: Ch 20, p 685-687 and 690-691, Ch 10 p 297-8 and 303-304 - 2 formations = savanna woodland and thorntree-tall grass savanna a. Location - transition between forests and grasslands or deserts of Africa and South America b. Climate Precipitation: Temperature: Moisture Balance: Winter = Spring = Summer = Is there a water deficit? substantial water deficit during dry season, peaks in spring Which sason is most conducive to fire? c. Soils
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d. Vegetation Characteristics Limited by: Life forms: trees, shrubs, and herbs adapted to dry conditions Dominant Vegetation: rain-green vegetation savanna woodlands Drought resistance Disturbance adaptations e. Disturbance Fire - frequency highest in tropical savanna and grassland biomes = 2-10 yrs - susceptible during spring drought at end of winter dry season Herbivory - large herds of migratory grazing ungulates (zebra, antelope, wildebeests)
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f. Human Impacts - land use change – agriculture and domestic livestock around settlements Loss of biodiversity Ecotourism
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GEOG 102 - BIOMES 4 GRASSLAND BIOME Old Version: Ch 20, p 686-7; Ch 18, p 607-9; Ch 10, p 313-4 New Version: Ch 20, p 691-2; Ch 18, p 610-612; Ch 10, p 312-314
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Biomes_3_4_5_6_2009 - GEOG 102 BIOMES 3 SAVANNA BIOME Old...

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