Dolphins and the Tuna Industry.

Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Staff, National Research Council
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Washington : National Academies Press, 1900.
Temas:
Tuna industry > Environmental aspects.
Acceso en línea:Texto completo
Tabla de Contenidos:
  • 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 Dolphins1 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 ActInternational 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 MANAGEMENT5 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 1959â€?1990
  • 1959â€?1972
  • 1973â€?19781979â€?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

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