1. N ATURE U NBOUND L ESSON 8 – D IVERSITY & D ISTURBANCE OF B IOLOGICAL C OMMUNITIES Conservation Mr. Dieckhoff

2. W HAT WILL THE A REA B ELOW L OOK L IKE IN 2091? Peck Ranch Conservation Area 100 Year Study

3. B IOLOGICAL C OMMUNITY Biological Community – Structure – the living organism in a biological community Function – how organisms interact to sustain the community

4. H OW H EALTHY IS A P OPULATION Species Richness – Relative Abundance – Is this a healthy forest?

5. W HICH IS A H EATHIER INSECT COMMUNITY ?

6. B IODIVERSITY 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

7. B IODIVERSITY Affected by:

9. M ISSOURI B IODIVERSITY A REAS Feature-Species Management – Community Management –

10. S PECIES R ICHNESS DEPENDS ON WHO LEAVES AND WHO ENTERS Immigration – entering of new species into community Extirpation – existing species leaving community Equilibrium point –

11. S UCCESSION Succession – Primary – Secondary – Disturbances – departure of typical environmental conditions (fire, tornados, ice storms, floods) Primary successional community – Climax Community –

12. S UCCESSION

13. C ONCLUSION 1. Biological Community 2. Species Richness & Relative Abundance 3. Biodiversity 4. Equilibrium 5. Succession