1. Ok, fine, but what IS an ecological community?? Ecological Communities

2. Dr. Fredrick Clements: The Community as Superorganism

4. Dr. Henry Gleason: The individualistic hypothesis of community organization

6. 9.1 Change in the importance of various tree species along a moisture gradient in Wisconsin John Curtis measured tree species composition across gradients and found maxima were not uniform…

8. 9.2 Changes in plant species frequencies along an altitudinal gradient (Part 1) Robert Whittaker, working in the Smoky Mountains, found the same…

9. 9.2 Changes in plant species frequencies along an altitudinal gradient (Part 2)

10. Margaret Davis...

11. Pollen (SEM) Acer rubrum Juniperus sp. Ambrosia trifida http://www.geo.arizona.edu/palynology

12. Margaret Davis: Roger’s Lake Ecology (50:409-422), 1969

13. http://www.ncdc.noaa.gov/paleo/pollen/viewer/webviewer.html

14. Modern Synthesis - Gleasonian theory remains the dominant view, however some aspects of the Clementian view has come back into favor. Mutualism, facilitation, root-root communication among co-occurring species.

15. Ok, fine, but what IS an ecological community?? Ecological Communities