Here's some books that I read & recommend re: applied systems thinking & ecosystems.

http://www.amazon.com/Permaculture-Principles-Pathways-beyon...

http://www.amazon.com/Edible-Forest-Gardens-2-set/dp/1890132...

http://www.amazon.com/One-Straw-Revolution-Introduction-Natu...

http://www.amazon.com/1491-Revelations-Americas-Before-Colum...

http://www.amazon.com/Guns-Germs-Steel-Fates-Societies/dp/03...

http://www.amazon.com/Collapse-Societies-Choose-Succeed-Revi...

http://www.newsociety.com/Books/D/Decline-and-Fall

http://www.amazon.com/Thinking-Fast-Slow-Daniel-Kahneman/dp/...

http://www.amazon.com/Consciousness-Social-Brain-Michael-Gra...

http://www.amazon.com/Sex-Scratch-Making-Relationship-Rules/...