Seasonality high rainfall never 10 cm month tropical

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: thin 10o latitude low temp. seasonality high rainfall; never < 10 cm /month Tropical Rainforests lush vegetation, high biodiversity: 7% of land surface, 75% of know species stratification: - forest floor - understory - canopy - emergent trees - lianas / epiphytes Tropical Rainforests Poor soils: quick & continuous decomposition of plant litter due to high temp & humidity Most nutrients tied up in vegetation Vulnerable to disturbance: - logging / burning removes most nutrients - rain leaches nutrients away - soil erosion Tropical dry forests between 10o & 25o more seasonality in precipitation Tropical dry forests Pronounced rainy & dry seasons Adaptations to deal with seasonality; ex: - deciduous trees - photosynthetic bark during dry season - water storage in trunk Highly endangered (rarer than tropical rainforests) Tropical savanna Grasslands with scattered trees; large animal migrations due to seasonality in precipitation Tropical savanna Grasslands with scattered trees; large animal migrations due to seasonality in precipitation \ Tropical savanna Grasslands with...
View Full Document

This document was uploaded on 03/17/2014 for the course BIO SCI 310 at Wisconsin Milwaukee.

Ask a homework question - tutors are online