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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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Interpreting spotted dolphin age distributions / / Jay Barlow, Aleta Hohn
| Interpreting spotted dolphin age distributions / / Jay Barlow, Aleta Hohn |
| Autore | Barlow Jay |
| Pubbl/distr/stampa | La Jolla, Calif. : , : U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Southwest Fisheries Center, , 1984 |
| Descrizione fisica | 1 online resource (30 unnumbered pages : illustrations |
| Altri autori (Persone) | HohnAleta A <1954-> (Aleta Ann) |
| Collana | NOAA technical memorandum NMFS SWFC |
| Soggetto topico |
Dolphins - Age
Dolphins - Mortality Stenella attenuata |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910701005303321 |
Barlow Jay
|
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| La Jolla, Calif. : , : U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Southwest Fisheries Center, , 1984 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Tuna/dolphin issues : hearings before the Subcommittee on Fisheries, Wildlife and Oceans of the Committee on Resources, House of Representatives, One Hundred Fourth Congress, first and second sessions on the provisions of the International Dolphin Conservation Act, how it is affecting dolphin mortality, and what measures can be effected to keep mortality to a minimum, June 22, 1995, Washington, DC ; H.R. 2823, a bill to amend the Marine Mammal Protection Act of 1972 to support the International Dolphin Conservation Program in the eastern tropical Pacific Ocean, and for other purposes, February 29, 1996, Washington, DC
| Tuna/dolphin issues : hearings before the Subcommittee on Fisheries, Wildlife and Oceans of the Committee on Resources, House of Representatives, One Hundred Fourth Congress, first and second sessions on the provisions of the International Dolphin Conservation Act, how it is affecting dolphin mortality, and what measures can be effected to keep mortality to a minimum, June 22, 1995, Washington, DC ; H.R. 2823, a bill to amend the Marine Mammal Protection Act of 1972 to support the International Dolphin Conservation Program in the eastern tropical Pacific Ocean, and for other purposes, February 29, 1996, Washington, DC |
| Pubbl/distr/stampa | Washington : , : U.S. Government Printing Office, , 1996 |
| Descrizione fisica | 1 online resource (v, 456 pages) : illustrations, map |
| Soggetto topico |
Dolphins - Law and legislation - United States
Marine mammals - Law and legislation - United States Dolphins - Mortality Purse seining - Environmental aspects Tuna fisheries - Environmental aspects Tuna industry - Environmental aspects |
| Soggetto genere / forma | Legislative hearings. |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Altri titoli varianti | Tuna/dolphin issues |
| Record Nr. | UNINA-9910711896203321 |
| Washington : , : U.S. Government Printing Office, , 1996 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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