1. Chapter 15
Applied Problems: harvesting populations

2. Chapter Opener

3. Figure 15-1

4. Figure 15-2

5. Figure 15-3

6. Peruvian anchovy: In 1970, 18 % of all global fish harvest

7. 16 million sea bird to 3 million
Figure 15-4
16 million sea bird to 3 million

8. Figure 15-9

9. Figure 15-10

10. Tragedy of the common

11. ? Why did the king crab fishery collapse in 1981?
Figure 15-13
Case study : King Crab Fishery of Bristol Bay Alaska ?
Why did the king crab fishery collapse in 1981?

12. Figure 15-14
Female mature at age of 8.
Male mature at age 9 to 10

13. Very successful case in Australia
Figure 15-15
Very successful case in Australia

14. Figure 15-16

16. Figure 15-17
18 % fo pot reduction
Size of lobster
Egg carrying female

17. Catches of baleen whales in Sothern hemisphere 1904- 2005 Blue: 21-30
Figure 15-18
Catches of baleen whales in Sothern hemisphere
Blue: 21-30
Fin 17-26
Sei 14-16
Humpback 11-15
Mink 7-10

18. Figure 15-24
Hunting