This preview shows page 1. Sign up to view the full content.
Unformatted text preview: scattered trees;
large animal migrations due to seasonality in precipitation
- 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
waterlogged during rainy season
scattered trees in well-drained sites Desert
2 bands at 30° N & S latitude - “Trade wind” deserts (e.g.,...
View Full Document
This document was uploaded on 03/17/2014 for the course BIO SCI 310 at Wisconsin Milwaukee.
- Spring '14