Lecture 12 Tuesday, June 24, 2008 • Ecosystems and Succession – Ecological Succession and Vegetation dynamics – Primary and Secondary succession • Ecological Succession – Terrestrial succession • Aquatic Succession • Successional processes • Relay floristics / Facilitation • Initial floristic composition / Tolerance • Inhibition • Ecological Succession – Forest development of whole stands (4 stages) • Stand initiation • Stem exclusion • Understory re-initiation • Old growth – Gap phase dynamics – Continuous regeneration mode • Ecological Succession II – Early vs. late stages of succession • Plant Biomass • Plant Longevity• Seed Dispersal Characteristics of Dominant Plants • Photosynthetic Efficiency of Dominant Plants at Low Light • Site of 5utrient Storage • Role of Decomposers in Cycling 5utrients to Plants • Rate of 5et Primary Productivity • Plant Species Diversity • Vegetation dynamics – A bit of history • Clements • Organismal perspective • Climax community • Gleason • Individualistic perspective – The role of disturbances across scales – Modern perspective: Patch
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