1. Chapter:3 Ecosystem Ecology

2. ecosystem structure abiotic components biotic components
ecosystem size
ecosystem boundaries

4. Biosphere

5. Biosphere II “Any kid’ll tell you you can’t keep eight scientists
in a giant mayonnaise jar
unless you put holes in the top of the thing.”
- Jay Leno
Biosphere II

6. Biosphere II

7. the guinea pigs

8. the ocean

9. the savanna

10. Earth’s Life-Support Systems
One way flow of high-quality energy
Cycling of matter
Fig. 3-6, p. 39

11. Energy flows through ecosystems
photosynthesis
cellular respiration

14. Categories of organisms
autotrophs vs. heterotrophs
types of consumers
scavengers, detritivores,
decomposers

15. food chains and trophic levels

16. food webs

17. gross primary productivity
net primary productivity

19. old-growth forest: large standing crop,
low productivity

20. ocean algae: high productivity, low standing crop

21. trophic pyramids and ecological efficiency

22. hydrologic cycle

23. carbon cycle

24. nitrogen cycle

25. algal bloom

26. phosphorus
cycle

27. Ecosystem Disturbance

28. pre- Hurricane Katrina

29. post- Hurricane Katrina

30. watershed

32. Resistance vs. Resilience

33. Ecosystem Services
instrumental value
intrinsic value

34. Instrumental Values provisions (goods like food, timber, medicine)
regulating services (like climate modification
support systems (like pollination, and water purification)
cultural services (aesthetic value of nature)