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Scale and level (approach) are different! Approach determines - PDF document

Scale Phenomena occur at multiple scales Space and Time related Scale of measurement influences what we learn from observation Scale-dependence Levels of Organization criteria for observation Biosphere Community Region Interactions


  1. Scale Phenomena occur at multiple scales Space and Time related Scale of measurement influences what we learn from observation Scale-dependence Levels of Organization criteria for observation Biosphere Community Region Interactions Landscape Population Ecosystem Organism

  2. Scale and level (approach) are different! Approach determines criteria for observation: scale • � which measurements matter • � which entities are of interest Northern pitcher plant Sarrecenia purpurea

  3. An ecosystem in a leaf fleshfly mosquito ant (prey) rotifer bacteria midge slime mite Scale and level are different

  4. Inter-Tropical Convergence Zone Global Latitudinal Circulation Patterns Hadley Cell Ferrel Cell Polar Cell

  5. Coriolis effect - Earth’s rotation interacts with Circulation cells to make wind patterns (which drive Ocean circulation as well) Spot the moving ITCZ

  6. Spot the moving ITCZ

  7. Where in the heck are we? Gothic, CO (38.9 N, 107.0 W) 2750 m

  8. Gambier, OH (40.4 N, 82.3 W) 300 m

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