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NATURE UNBOUND LESSON 8 – DIVERSITY & DISTURBANCE OF BIOLOGICAL COMMUNITIES Conservation Mr. Dieckhoff WHAT WILL THE AREA BELOW LOOK LIKE IN 2091? Peck Ranch Conservation Area 100 Year Study BIOLOGICAL COMMUNITY Biological Community – Structure – the living organism in a biological community Function – how organisms interact to sustain the community HOW HEALTHY IS A POPULATION Species Richness – Relative Abundance – Is this a healthy forest? WHICH IS A HEATHIER INSECT COMMUNITY? BIODIVERSITY Biodiversity – all the species on the planet (over 10 million) Components species richness and relative abundance Genetic diversity Different ecosystems that exist within a larger region BIODIVERSITY Affected by: MISSOURI BIODIVERSITY AREAS Feature-Species Management – Community Management – SPECIES RICHNESS DEPENDS ON WHO LEAVES AND WHO ENTERS Immigration – entering of new species into community Extirpation – existing species leaving community Equilibrium point – SUCCESSION Succession – Primary – Secondary – Disturbances – departure of typical environmental conditions (fire, tornados, ice storms, floods) Primary successional community – Climax Community – SUCCESSION CONCLUSION 1. 2. 3. 4. 5. Biological Community Species Richness & Relative Abundance Biodiversity Equilibrium Succession
