FOSS - Populations & Ecosystems

General Info 

Earth Observatory: Data and Images
http://earthobservatory.nasa.gov/GlobalMaps/  

Ecosystems Information
http://www.encyclopedia.com/topic/Ecosystems.aspx 

Ecosystems, Biomes and Habitats
http://www.fi.edu/tfi/units/life/habitat/habitat.html 

Populations and Ecosystems - Stability of an Ecosystem
http://www.utm.edu/departments/cece/old_site/sixth/6G4.shtml  

Great Basin Ecosystem Management Project
http://www.ag.unr.edu/gbem/ 

Teacher Info  

Build a Prairie Ecosystem
http://www.bellmuseum.umn.edu/games/prairie/build/  

Predator Prey Simulation
http://www.sims.scienceinstruction.org/predprey/index.html  

Invasive Species - Interactive site 
http://www.sims.scienceinstruction.org/invasive/simulation.html  

Populations and Ecosystems - Planet Floss
http://www.fossweb.com/modulesMS/PopulationsandEcosystems/index.html 

Ecosystems
http://www.nhptv.org/natureworks/nwepecosystems.htm