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Dolphins and the tuna industry [[electronic resource] /] / Committee on Reducing Porpoise Mortality from Tuna Fishing, Board on Biology, Board on Environmental Studies and Toxicology, Commission on Life Sciences, National Research Council
| Dolphins and the tuna industry [[electronic resource] /] / Committee on Reducing Porpoise Mortality from Tuna Fishing, Board on Biology, Board on Environmental Studies and Toxicology, Commission on Life Sciences, National Research Council |
| Pubbl/distr/stampa | Washington, D.C., : National Academy Press, 1992 |
| Descrizione fisica | 1 online resource (190 p.) |
| Disciplina | 333.95/9 |
| Soggetto topico |
Tuna fisheries - Environmental aspects
Dolphins - Mortality Tuna industry - Environmental aspects |
| Soggetto genere / forma | Electronic books. |
| ISBN |
1-280-20310-2
9786610203109 0-309-55610-4 0-585-08535-8 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910455137803321 |
| Washington, D.C., : National Academy Press, 1992 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Dolphins and the tuna industry / / Committee on Reducing Porpoise Mortality from Tuna Fishing, Board on Biology, Board on Environmental Studies and Toxicology, Commission on Life Sciences, National Research Council
| Dolphins and the tuna industry / / Committee on Reducing Porpoise Mortality from Tuna Fishing, Board on Biology, Board on Environmental Studies and Toxicology, Commission on Life Sciences, National Research Council |
| Pubbl/distr/stampa | Washington, D.C. : , : National Academy Press, , 1992 |
| Descrizione fisica | 1 online resource (xii, 176 pages) : illustrations |
| Disciplina | 333.95/9 |
| Soggetto topico |
Tuna fisheries - Environmental aspects
Dolphins - Mortality Tuna industry - Environmental aspects |
| ISBN |
1-280-20310-2
9786610203109 0-309-55610-4 0-585-08535-8 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910778881003321 |
| Washington, D.C. : , : National Academy Press, , 1992 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Dolphins and the tuna industry / / Committee on Reducing Porpoise Mortality from Tuna Fishing, Board on Biology, Board on Environmental Studies and Toxicology, Commission on Life Sciences, National Research Council
| Dolphins and the tuna industry / / Committee on Reducing Porpoise Mortality from Tuna Fishing, Board on Biology, Board on Environmental Studies and Toxicology, Commission on Life Sciences, National Research Council |
| Edizione | [1st ed.] |
| Pubbl/distr/stampa | Washington, D.C., : National Academy Press, 1992 |
| Descrizione fisica | 1 online resource (xii, 176 pages) : illustrations |
| Disciplina | 333.95/9 |
| Soggetto topico |
Tuna fisheries - Environmental aspects
Dolphins - Mortality Tuna industry - Environmental aspects |
| ISBN |
1-280-20310-2
9786610203109 0-309-55610-4 0-585-08535-8 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Dolphins and the Tuna Industry -- Copyright -- Preface -- Contents -- Executive Summary -- INTRODUCTION -- THE PROBLEM -- THE CURRENT FISHERY -- DOLPHIN MORTALITY ASSOCIATED WITH THE TUNA FISHERY -- U.S. TUNA AND MARINE MAMMAL POLICY AND ECONOMICS -- FISHING GEAR -- BEHAVIOR OF TUNA AND DOLPHINS IN THE ETP -- FACTORS AFFECTING DOLPHIN MORTALITY -- ESTIMATES OF DOLPHIN ABUNDANCE -- TECHNIQUES FOR REDUCING DOLPHIN MORTALITY -- RECOMMENDATIONS -- Recommendations Concerning the ETP Tuna-Dolphin Fishery -- Recommendations for Research on Harvesting Tuna Not in Association with Dolphins -- 1 Introduction -- THE PROBLEM -- BACKGROUND ON REDUCING DOLPHIN MORTALITY FROM TUNA FISHING -- The Current Tuna Fishery and Its Development -- Dolphin Mortality Associated with the Tuna Fishery -- Reducing Dolphin Mortality -- THE COMMITTEE'S STUDY -- 2 Some Policy and Economic Considerations -- U.S. TUNA AND MARINE MAMMAL POLICY -- U.S. Tuna Policy -- IATTC and Tuna Conventions Act -- Fishery Conservation and Management Act -- U.S. Marine Mammal Policy -- Marine Mammal Protection Act -- International Policy Context -- ECONOMIC CONSIDERATIONS -- Recent Tuna-Harvesting Operations -- Historical Perspective -- Tuna-Processing Operations -- Industrywide Trends -- The Effects of Recent Changes -- 3 Background on Fishing Gear -- PURSE SEINES -- The Backdown Process -- OTHER FISHING METHODS -- Longline Fishing -- Log Fishing -- School Fishing -- 4 Biology and Ecology of Yellowfin Tuna -- DISTRIBUTION AND STOCK STRUCTURE -- PHYSIOLOGY, GROWTH, AND LONGEVITY -- ABUNDANCE AND SIZE STRUCTURE -- YIELD, POPULATION DYNAMICS, AND MANAGEMENT -- 5 The Behavior of Dolphins and Tuna in the ETP -- GENERAL DOLPHIN BIOLOGY AND ECOLOGY -- THE TUNA-DOLPHIN RELATIONSHIP -- FEEDING BEHAVIOR -- BEHAVIOR OF DOLPHINS AND TUNA IN THE TUNA-SEINING OPERATION -- Sighting Dolphin Herds -- The Chase.
The Set -- Net Closed and Pursed -- 6 Dolphin Mortality and Abundance -- ESTIMATING INCIDENTAL DOLPHIN MORTALITY -- Methodological Considerations -- Sampling Design -- Ratio Estimates -- The Observer Effect -- MORTALITY ESTIMATES FOR 1959-1990 -- 1959-1972 -- 1973-1978 -- 1979-1990 -- FACTORS AFFECTING TOTAL MORTALITY ESTIMATES -- Fishing Effort on Dolphins -- Factors Directly Affecting Dolphin Mortality -- Catch of Tuna in Set -- Vessel Captain -- Species or Stock Caught -- Area of Capture and Habituation -- Flag of Vessel -- Time of Capture (Day rs. Night Sets) -- Duration of Set -- Presence of Strong Currents -- Occurrence of Malfunctions -- Alignment of the Fine-Mesh Panel -- Use of Dolphin-Saving Procedures -- Relationship Between Number of Vessels and Total Mortality -- ESTIMATES OF DOLPHIN ABUNDANCE -- SIGNIFICANCE OF THE ESTIMATES OF MORTALLY AND ABUNDANCE -- OVERVIEW: THE PAST, PRESENT, AND FUTURE -- Historical Summary -- Maintenance and Recovery of Dolphin Populations -- 7 Techniques for Reducing Dolphin Mortality -- SMALL MODIFICATIONS OF CURRENT METHODS -- Medina Double Corkline -- Jet Boat -- Current Profiler -- Pear-Shaped Snap Rings -- Small-Mesh Medina Panel -- Third Fine-Mesh Strip -- Safety Crook -- MAJOR MODIFICATIONS OF CURRENT METHODS -- Modifications to Reduce Frequency of Canopies -- Modifications to Reduce Frequency of Roll-Ups -- Modifications by Insertion of Barriers Between Tuna and Dolphins -- Species Selectivity -- Modifications to Improve Escape of Dolphins from the Backdown Channel -- No Backdown -- Other Purse-Seine Variations -- POTENTIAL BEHAVIOR-BASED RELEASE OF DOLPHINS -- Pre-Backdown Release of Dolphins -- Backdown Release of Dolphins -- Dolphin Behavior on Release -- BREAKING THE TUNA-DOLPHIN BOND -- ALTERNATIVE METHODS OF LOCATING YELLOWFIN TUNA -- Acoustical Methods -- Other Methods. ALTERNATIVES TO DOLPHIN-ASSOCIATED FISHING -- Fish-Aggregating Devices -- History and Perspective -- Status -- Potential -- Conclusions -- Non-Purse-Seine Techniques -- Bait Boats -- Longline Fishing -- Midwater Trawls -- Pair Trawls -- Incidental Catch of Dolphins in Trawls -- A Hypothetical Trawling Technique for Tuna in the ETP -- Gillnets -- REGULATORY ALTERNATIVES -- Immediate Prohibition of All Dolphin Mortality from Fishing -- Dolphin Mortality Certificates -- Incentives for Tuna Fishing with Alternative Gear -- Price Incentives for Fishing on Non-Dolphin-Associated Tuna -- Captain Performance Standards -- Training and Evaluation of Fishing Captains -- Initial Training -- Measuring the Captains' Performance -- Remedial Actions -- 8 Recommendations -- RECOMMENDATIONS CONCERNING THE ETP TUNA-DOLPHIN FISHERY -- Vessel-Captain Education, Certification, Incentives, and Monitoring -- Modifications of Purse-Seine Gear and Methods -- Tuna and Dolphin Behavior in and Around the Seine -- The Effects of Chasing Dolphin Herds -- Sunset Set Tests -- Bubble Tests -- The Potential for Maneuvering Tuna and Dolphins Inside the Seine and Dolphin Release-Gate Tests -- Research on Behavior of Tuna and Dolphins -- Oceanographic Correlates -- Simultaneous Tracking of Dolphins and Associated Yellowfin -- Tracking Flotsam-Associated Yellowfin Tuna -- Studies Using Fish-Aggregating Devices -- Satellite Monitoring of Radio-Tagged Dolphins -- RECOMMENDATIONS FOR HARVESTING TUNA NOT IN ASSOCIATION WITH DOLPHINS -- Night Behavior of Tuna and Dolphins -- New Methods of Purse Seining Large Yellowfin Without Encircling Dolphins -- SUMMARY -- References -- Appendix 1 -- Appendix 2 -- Appendix 3 -- NOTICE TO FISHERMEN TAGGED DRIFTING OBJECTS -- Index. |
| Record Nr. | UNINA-9910826793503321 |
| Washington, D.C., : National Academy Press, 1992 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Primate conservation : the newsletter and journal of the IUCN/SSC Primate Specialist Group
| Primate conservation : the newsletter and journal of the IUCN/SSC Primate Specialist Group |
| Pubbl/distr/stampa | Stony Brook [N.Y.], : WWF-U.S. Primate Program, 1985- |
| Disciplina | 333.95/9 |
| Soggetto topico |
Primates
Primates - Conservation |
| Soggetto genere / forma |
Periodical
Periodicals. |
| ISSN | 2162-4232 |
| Formato | Materiale a stampa |
| Livello bibliografico | Periodico |
| Lingua di pubblicazione | eng |
| Record Nr. | UNISA-996201390703316 |
| Stony Brook [N.Y.], : WWF-U.S. Primate Program, 1985- | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. di Salerno | ||
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Primate conservation : the newsletter and journal of the IUCN/SSC Primate Specialist Group
| Primate conservation : the newsletter and journal of the IUCN/SSC Primate Specialist Group |
| Pubbl/distr/stampa | Stony Brook [N.Y.], : WWF-U.S. Primate Program, 1985- |
| Disciplina | 333.95/9 |
| Soggetto topico |
Primates
Primates - Conservation |
| Soggetto genere / forma |
Periodical
Periodicals. |
| ISSN | 2162-4232 |
| Formato | Materiale a stampa |
| Livello bibliografico | Periodico |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910131391803321 |
| Stony Brook [N.Y.], : WWF-U.S. Primate Program, 1985- | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||