1. Exams key posted --- Homework #2 and #3
Today: What happens near the carrying capacity?

2. What are the 10 non-human organisms that you have the greatest interaction/interconnection with?

3. Ecological Interconnections

4. Fig 52.7
Carrying Capacity
stationary phase
exponential growth

5. Availability of resources and removal of waste limits carrying capacity
Fig 54.1

6. Resources are not evenly distributed
Fig 55.6
Resources are not evenly distributed

7. Ecosystems on Earth: resources are not evenly distributed
Fig 52.19
Ecosystems on Earth: resources are not evenly distributed

8. Number of bird species:
Areas of higher and lower biodiversity reflect available resources

9. Biodiversity “hot spots” have plentiful resources and large numbers of species
Fig 56.17

10. Unfortunately there is lots of bad news...
Fig 56.4
Unfortunately there is lots of bad news...
FEWER THAN 100 REMAIN
EXTINCT
FEWER THAN 100 REMAIN

11. Unfortunately there is lots of bad news... and it is your fault.

12. Rainforest clear cutting
CB 55.15

13. Dead zone in Gulf of Mexico from Mississippi River
Human impacts:
Dead zone in Gulf of Mexico from Mississippi River
Fig 55.18

14. What happens as populations approach their carrying capacity?
Fig 53.13

15. What happens as populations approach their carrying capacity?
Fig 53.13

16. What happens as populations approach their carrying capacity?

17. What happens as populations approach their carrying capacity?

18. 36.4 9 2.3 UN Department of Economic and Social Affairs
Population Division (2004)

19. Annual % increase in global population
Fig 53.23

20. How much of our society is based on continuing population increases?
36.4 9
2.3
UN Department of Economic and Social Affairs
Population Division (2004)

21. Exams key posted --- Homework #2 and #3
Office hours posted throughout next week