1. Explain why the oxygen levels in Lake Victoria greatly decreased beginning in the 1980s.
2. Explain why it is especially crucial to protect the fish species in coastal waters.
3. List the three marine regions with the greatest biodiversity.
4. Give four examples of the greatest threat to the biodiversity of the world's oceans: loss and degradation of habitats.
5. Explain why the loss of half of the world's wetlands and dredging for bottom fish is especially damaging to the marine environment.
6. Explain the relationship between the depletion of most large open-ocean fish and industrial fishing.
7. Give the size of the annual bycatch.
8. How have human activities affected the survival of aquatic species?
9. Explain why it is difficult to protect marine biodiversity.
10. Explain why many marine turtle are now endangered. (Also see figs. 13-6 and 13-7)
11. Discuss the pros and cons for the resumption of commercial whaling.
12. Give the areal extents of sovereignty and jurisdiction codified by the Law of the Sea.
13. Explain the problems associated with the concept of maximum sustained yield.
14. Discuss the attempts to restore the Florida Everglades.