Draft Environmental Assessment Interactions Between the

1,82
MB Pacific Cod Fisheries in the Bering Sea, Aleutian Islands, and the

205
stron Gulf of Alaska and Steller Sea Lions

4812
ID National Marine Fisheries Service NMFS - Alaska Region

2000
rok

TABLE OF CONTENTS

1.0 Purpose and Need for Action 6

1.1 Introduction . 6

1.2 Purpose and Need 8

1.3 Scope of the EA 8

1.3.1 Related NEPA Documents . 8

1.3.2 Issues Studied In Detail . 9

1.4 Public Participation . 9

1.6 Decisions That Must Be Made And Applicable Regulatory Requirements . 10

2.0 DESCRIPTION OF THE ALTERNATIVES . 11

2.1 NEPA Guidance for Alternatives . 11

2.2 Background and History Specific to Understanding the Process Used to Formulate the

Alternatives for this Federal Action . 11

2.2.1 History of Federal Actions Affecting Steller Sea Lions or Their Critical Habitat . 12

2.2.2 Management Framework Specific to Formulating the Alternatives for this Federal Action . 19

2.3 Detailed Description of Alternatives . 20

2.3.1 Alternative 1: Status Quo . 20

2.3.2 Alternative 2 . 22

2.3.3 Alternative 3 . 25

3.0 ENVIRONMENTAL CONSEQUENCES OF THE ALTERNATIVES 27

3.1 Effects on Pacific cod in the BSAI 27

3.1.1 Stock Description and Life History . 27

3.1.2 Trophic Interactions . 28

3.1.3 Stock Assessment and Fishing Mortality . 30

3.1.3.1 Methodology and Data 30

3.1.3.2 Results from Current Stock Assessments 31

3.1.3.3 Splitting the BSAI TAC into separate BS and AI components 32

3.1.3.4 Assessment of Biomass in Critical Habitat . 33

3.1.4 Effects of Historic Spatial and Temporal Fishing Patterns for P. cod . 37

3.1.4.1 Bering Sea and Aleutian Islands Area . 38

3.1.4.1.1 Fishery Overview 38

3.1.4.1.2 Spatial and Temporal Fishery Patterns . 39

3.1.4.2 Gulf of Alaska . 41

3.1.4.2.1 Fishery Overview 41

3.1.4.2.2 Spatial and Temporal Fishing Patterns . 44

3.1.4.2.3 State Managed Pacific Cod Fishery 45

3.1.5 Effects of Existing Closure Areas 46

3.1.6 Possible Fishery Induced Localized Depletions of Pacific Cod in the Bering Sea . 49

3.1.7 Effects of the Alternatives 49

3.1.7.1 Bering Sea and Aleutian Islands Area . 50

3.1.7.2 GOA . 51

3.2 Effects on Marine Mammals . 53

3.2.1 Steller Sea Lion . 53

3.2.1.1 Prey Composition in Steller Sea Lion Diet . 55

3.2.1.2 Possible Fishery/Steller Sea Lion Interactions 57

3.2.1.3 Previous Actions to Protect Steller Sea Lion Prey Availability . 58

3.2.1.4 Effects of the Alternatives on Steller Sea Lions . 59

3.2.1.2.1 Alternative 1 . 61

3.2.1.2.2 Alternative 2 . 62

3.2.1.2.3 Alternative 3 . 63

3.2.2 Northern Fur seal . 64

3.2.3 Harbor Seal 66

3.2.4 Other Pinnipeds 67

3.2.5 Pacific Walrus 68

3.2.6 Killer Whale . 68

3.2.7 Other Toothed Whales . 69

3.2.8 Baleen Whales . 70

3.2.9 Sea Otter 70

3.3 Effects on Seabirds 70

3.4.1 Short-tailed Albatross 70

3.4.2 Eider . 72

3.4 Effects on Forage Species . 73

3.5 Effects on Prohibited Species Bycatch . 74

3.5.1 Bering Sea and Aleutian Islands Area . 74

3.5.2 Gulf of Alaska 76

3.6 Effects on Incidental Catch 79

3.7 Effects on Habitat - Essential Fish Habitat (EFH) 79

3.8 Management Considerations . 79

3.9 Endangered Species Act Considerations 81

3.10 Coastal Zone Management Act Considerations . 83

3.11 Marine Mammal Protection Act Considerations 83

4.0 ECONOMIC AND SOCIOECONOMIC CONSEQUENCES 85

4.1 Regulatory Impact Review . 85

4.2 Problem Statement . 85

4.3 Objectives of the Action 86

4.4 Measuring the Economic Value of Steller Sea Lions 86

4.5 Historical management of the P.cod fisheries 87

4.5.1 Sector allocation 90

4.5.2 Seasonal allocations and in-season management . 91

4.5.3 Groundfish observer program . 91

4.5.4 P.cod CDQ 92

4.5.5 Vessel moratorium and limited entry 92

4.5.6 State waters fishery . 93

4.5.7 P.cod and Steller sea lion interactions . 94

4.6 Alternative Mitigation Actions . 94

4.6.1 Mitigation principle one: temporal dispersion . 94

4.6.2 Mitigation principle two: spatial dispersion . 96

4.6.3 Mitigation principle three: fishing exclusion zones . 97

4.6.4 The “no action” alternative (status quo baseline) . 97

4.6.4.1 The Bering Sea and Aleutian Islands 98

4.6.4.2 The 1999 fishery in the Gulf of Alaska . 109

4.6.4.3 Onshore plants and communities 119

4.7 Economic implications of the Mitigation Principles-based alternatives . 121

4.7.1 Product - market effects . 124

4.7.2 TAC roll-over provisions 125

4.8 Spill-over effects on non-P.cod fisheries . 129

4.9 Attainment of the TAC 142

4.10 Economic effects of the alternatives 142

4.10.1 Alternative 2 in the BSAI 144

4.10.1.1 P.cod CDQ 144

4.10.1.2 Specify separate TACs for BS and AI management areas . 146

4.10.2 Alternative 2 in the GOA 148

4.10.3 Alternative 2 -- BSAI and GOA ‘suboptions’ 150

4.10.3.1 Delay starting date of “B” season 150

4.10.3.2 Open the “A” season January 1 for fixed gear 150

4.10.3.3 Create separate gear allocations for CH limits 150

4.10.3.4 Closure of Aleutian Islands . 151

4.10.3.5 No CH limits beyond closure of rookeries and important haulouts 152

4.10.3.6 Limit CH fishing only in the “A” season . 152

4.10.4 Alternative 3 in the BSAI and GOA 153

4.11 Summary and “net benefit” conclusions . 155

5.0 INITIAL REGULATORY FLEXIBILITY ANALYSIS . 156

5.1 Requirement to prepare an IRFA . 156

5.2 What is a “small entity”? . 157

5.2.1 Small businesses . 157

5.2.2 Small organizations . 158

5.2.3 Small governmental jurisdictions 158

5.3 Reason for considering the proposed action 158

5.4 Number and description of affected small entities . 159

5.4.1 Small businesses in the BSAI P.cod fishery 159

5.4.2 Small not-for-profit organizations . 161

5.4.3 Small governmental jurisdictions 161

5.4.4 Small businesses in the GOA P.cod fishery . 162

5.5 Effects of the proposed mitigation action on small entities . 163

5.5.1 Impacts on small businesses 163

5.5.1.1 Impacts on catcher boats 163

5.5.1.2 Impacts on onshore processors . 164

5.5.1.3 Impacts on catcher processors 164

5.5.2 Impacts on small organizations . 164

5.5.3 Impacts on small governmental jurisdictions . 165

5.5.3.1 Unalaska/Dutch Harbor . 166

5.5.3.2 Akutan 168

5.5.3.3 Kodiak 170

5.5.3.4 Sand Point, King Cove and False Pass . 171

5.5.3.5 Atka and Adak 174

5.5.3.6 Chignik 175

5.5.3.7 Cordova, Seward, and Homer 175

5.5.3.8 Regional Profiles of the Bering Sea, Aleutians, and Gulf of Alaska 177

5.6 Reporting and record keeping requirements 182

5.7 Other relevant Federal regulations 183

5.8 Alternatives which minimize impacts on small entities . 183

6.0 CONCLUSIONS 183

7.0 REFERENCES . 184

8.0 LIST OF PREPARERS . 192

9.0 FIGURES . 193

10.0 TABLES 236