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Biogeography

Explore the major ecosystems of Arizona through the lens of biogeography, understanding adaptations, niches, and ecotones. Discover the interrelated organisms within each ecosystem and how they interact with their environment.

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Biogeography

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  1. Biogeography Arizona Geography GCU 221

  2. Game Plan: • Ecosystems • Adaptations and Niches • Ecotones • Major Ecosystems of Arizona

  3. 1. Ecosystem A system formed by the interaction of a community of organisms with their physical environment. • Variety of interrelated organisms (food web) • Environment • Adaptations

  4. 1. Ecosystem

  5. 1. Ecosystem • Sun – powered by nuclear energy • Plants – powered by the sun • Herbivores – powered by plants • Omnivores – powered by plants and animals • Carnivores – powered by animals • Climax Species – powered by big animals • Decomposers – powered by dead things Arizona Activity…

  6. 1. Columbian Exchange: Ecosystem in Flux

  7. 1. Different Environments: more urban

  8. 1. Different Environments: warmer planet

  9. 1. Adaptations and Niches

  10. 1. Biodiversity: good or bad • Medea or Gaia

  11. 1. Medea: Blue Fin Tuna

  12. 1. Gaia: Platypus

  13. 2. Ecotones • Boundaries between ecosystems • High biodiversity

  14. 3. Arizona Major Ecosystems • Tundra: San Francisco Peaks • Spruce Fir: White Mountains • Ponderosa Pine and Gamble Oak: Mogollon Rim • Pinyon – Juniper: Sedona • Grassland: Sunset Point • Cottonwood and Willow: Verde River • Sonora Desert: Superstition Mountains • Colorado Desert: Yuma

  15. Major Ecosystems of Arizona 1 4 3 2 5 6 7 8

  16. 1. San Francisco Peaks - Tundra

  17. 1. San Francisco Peaks - Tundra

  18. 2. White MountainsSpruce Fir

  19. 3. Mogollon RimPonderosa Forest / Gamble Oak

  20. 4. SedonaPinyon Pine /Juniper Cochineal

  21. 5. Sunset PointSavannahGrasslands

  22. 6. Verde RiverWillow Cottonwood

  23. 6. Willow Cottonwoodreplaced byTamarisk

  24. 7. SuperstitionMountainsSonora Desert

  25. 8. Yuma Colorado Desert

  26. Major Ecosystems of Arizona 1 4 3 2 5 6 7 8

  27. Things to know: • What is an Ecosystem? • What is the Columbian Exchange • What does it mean to be Gaian? What does it mean to be Medean? • What is an Ecotone and why are they important? • Basic understanding of the 8 major ecosystems of the Arizona (which is hotter or colder, where plant and animal species are common, like Cottonwood or Antelope) Help: Ask Dr. Douglass

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