Endangered Oceans
Endangered Oceans | Chapter 4 Preface
Pollution of the marine environment is one of several human activities that has an impact on marine mammals. In early 1988 nearly twenty-five thousand harbor seals in the North and Baltic Seas—60 to 70 percent of the population— abruptly died of a distemper virus. The seals’ deaths appeared to be part of a disturbing trend. In the late 1970s an influenza virus killed 450 harbor seals off the coast of Cape Cod, Massachusetts. During 1987 and 1988 the morbillivirus killed about 750 bottlenose dolphins along beaches from New Jersey to Florida. Studies revealed that the bodies of these...
[The entire page is 602 words long]
Navigate
- Introduction
-
Chapter 1: How Endangered Are the World’s Oceans and Coastlines?
- Chapter 1 Preface
- Human Activities Threaten the World’s Oceans and Coastal Regions
- Human Efforts Are Improving the Condition of the World’s Oceans and Coastal Regions
- The World’s Ocean Fisheries Are Seriously Threatened
- Private Conservation Offers Hope for Ocean Fisheries
- Rising Sea Levels Threaten Coastal Regions
- Claims That Sea Levels Are Rising Are Unproven
- Chapter 1 Periodical Bibliography
- Chapter 2: What Ocean Management and Conservation Practices Should Be Pursued?
-
Chapter 3: What Strategies Would Best Promote Sustainable Fishing?
- Chapter 3 Preface
- Fully Protected Marine Reserves Will Promote Sustainable Fishing
- Fully Protected Marine Reserves Do Not Always Promote Sustainable Fishing
- Individual Fishing Quotas Will Benefit U.S. Fisheries
- Individual Fishing Quotas May Not Benefit Fisheries
- Federal Regulation of Aquaculture Is Necessary
- Alternatives to Government Regulation Will Promote the Growth of Aquaculture
- Chapter 3 Periodical Bibliography
-
Chapter 4: What Impact Do Human Activities Have on Marine Mammals?
- Chapter 4 Preface
- The Ban on Commercial Whaling Protects Endangered Whales
- The Ban on Commercial Whaling Is Unnecessary and Unfair
- Antisubmarine Sonar Threatens Marine Mammals
- Antisubmarine Sonar Does Not Threaten Marine Mammals
- Keeping Marine Mammals Captive in Theme Parks Promotes Conservation
- Keeping Marine Mammals Captive in Theme Parks Is Cruel
- Chapter 4 Periodical Bibliography
- For Further Discussion
- Organizations to Contact
- Bibliography
- Copyright
Tell a friend about Endangered Oceans at eNotes.
