Marine Conservation

Contributors, ix

Preface, xii

About the companion website, xiv

1 IN PURSUIT OF MARINE CONSERVATION, 1

1.1 The emergence of modern marine conservation, 1

1.2 Defining "marine conservation", 4

1.3 Marine conservation's scope, 4

1.4 Adapting marine conservation to the 21st century, 5

2 MARINE CONSERVATION ISSUES, 7

2.1 Igniting marine conservation concern, 7

2.2 Primary issues: loss of marine biodiversity, 7

2.3 Secondary issues: human activities, 13

2.4 Tertiary issues: emergent and unintended consequences, 30

2.5 The challenge for the 21st century, 35

3 MARINE CONSERVATION MECHANISMS, 43

3.1 The toolkit, 43

3.2 Biological conservation, 43

3.3 Spatially explicit conservation, 48

3.4 Governance: policy, strategy, tactics, 50

3.5 Policy instruments for marine conservation, 54

3.6 Management concepts, 65

3.7 Agents for conservation, 68

3.8 Conclusion, 70

4 MARINE SYSTEMS: THE BASE FOR CONSERVATION, 74

4.1 A systems approach, 74

4.2 Dynamic planetary forces, 74

4.3 Major ocean structures and conditions, 78

4.4 Planetary cycles, 81

4.5 Major planetary interfaces, 82

4.6 The dynamic coastal realm, 86

4.7 The coastal realm: an ecosystem of global importance, 92

4.8 The ecosystem concept, 97

4.9 Ecosystem base for conservation, 99

5 NATURAL HISTORY OF MARINE ORGANISMS, 105

5.1 What is natural history?, 105

5.2 Darwinian evolution, 105

5.3 Diversity of marine life, 106

5.4 Life history, 112

5.5 Biological associations, 123

5.6 Biogeographic patterns in space and time, 126

5.7 Biotic functional diversity, 127

5.8 "Seascape" as an organizing principle, 131

5.9 Natural history: the basis for conservation, 132

6 CHESAPEAKE BAY: ESTUARINE RESTORATION WITH AN ENVIRONMENTAL DEBT, 137

6.1 The great shellfish bay, 137

6.2 Ecological linkages to natural wealth, 137

6.3 Eastern oyster: quintessential estuarine species, 151

6.4 From resource abundance to ecosystem change, 154

6.5 Bay restoration: chartering a course, 163

6.6 People shall judge, 165

7 BERING SEA SEALS AND WALRUSES: RESPONSES TO ENVIRONMENTAL CHANGE, 171
G. Carleton Ray, Gary L. Hufford, Thomas R. Loughlin and Igor Krupnik

7.1 A short history of dramatic change, 171

7.2 Biophysical setting, 172

7.3 Marine mammals of the southeastern Bering Sea, 174

7.4 Ice-dependent pinnipeds of the northern Bering Sea, 179

7.5 Do large marine mammals matter?, 186

7.6 The conflict arena, 191

7.7 Cultural factors: subsistence hunting, traditional knowledge, and community well-being, 194

7.8 Are Beringian pinnipeds and the Bering Sea ecosystem at risk?, 197

8 THE BAHAMAS: CONSERVATION FOR A TROPICAL ISLAND NATION, 200

8.1 A nation of islands, 200

8.2 Biophysical and social setting, 200

8.3 Conservation issues, 207

8.4 Governance for sustainability, 222

8.5 Island system at a crossroads, 230

9 THE ISLES OF SCILLY: SUSTAINING BIODIVERSITY, 234
Richard M. Warwick

9.1 Setting the scene, 234

9.2 Physical and biogeographic setting, 234

9.3 Measuring and measures of biodiversity, 237

9.4 Sustaining biodiversity from possible threats, 253

9.5 Conservation legislation, mechanisms, and voluntary actions, 256

9.6 The conservation status of Scilly, 260

10 GWAII HAANAS: FROM CONFLICT TO COOPERATIVE MANAGEMENT, 262
N. A. Sloan

10.1 Nation-to-nation pursuit of land-sea conservation, 262

10.2 Natural heritage, 263

10.3 Cultural and commercial heritage, 272

10.4 Integrating land-sea conservation, 278

10.5 Crucible for ecosystem-based management, 284

11 SOUTH AFRICA: COASTAL-MARINE CONSERVATION AND RESOURCE MANAGEMENT IN A DYNAMIC SOCIO-POLITICAL ENVIRONMENT, 288
Barry Clark and Allan Heydorn

11.1 A challenge for governance, 288

11.2 South Africa's coastal realm: physical, biotic, and human setting, 289

11.3 Major conservation issues of South African coasts, 294

11.4 Coastal resource management: past and present, 303

11.5 In pursuit of the Kogelberg Biosphere Reserve, 306

11.6 The future of coastal management in South Africa, 311

12 SPECIES-DRIVEN CONSERVATION OF PATAGONIAN SEASCAPES, 315
Claudio Campagna, Valeria Falabella, and Victoria Zavattieri

12.1 Darwin's Patagonia, 315

12.2 A conservation dilemma, 316

12.3 Oceanographic and biogeographic settings, 319

12.4 Conservation setting: the status of a non-pristine ocean, 322

12.5 Seascape species: a first approach to setting conservation priorities, 323

12.6 From seascape spaces to important foraging areas, 324

12.7 The concept of "Large Ocean Reserves", 326

12.8 A first step towards a Patagonian Sea LOR: candidate areas for conservation, 331

12.9 Making slow progress, 335

References, 336

Suggested readings, 337

13 FROM BEING TO BECOMING: A FUTURE VISION, 339

13.1 The new normal, 339

13.2 From being . . . , 339

13.3 . . . to becoming, 340

13.4 Emerging concepts for marine conservation, 344

13.5 Look to the future, 353

References, 353

Species index, 357

Subject index, 361