Due to seasonality in precipitation some savannas non

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Unformatted text preview: scattered trees; large animal migrations due to seasonality in precipitation Some savannas: non-climax ecosystems: - maintained by frequent fires (started by lighting) - vegetation adapted to fires Paepalanthus seeds need fire to germinate Tropical savanna some savannas get as much rain as tropical dry forests; others, very little rain interaction between soil permeability & rainfall Dry Permeable soil Desert Impermeable soil Savanna water near surface (Africa) Wet Forest Savanna waterlogged during rainy season (S. America) scattered trees in well-drained sites Desert 2 bands at 30° N & S latitude - “Trade wind” deserts (e.g.,...
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This document was uploaded on 03/17/2014 for the course BIO SCI 310 at Wisconsin Milwaukee.

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