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Showing 1 to 9 of 9 for “"Thunnus thynnus"”.
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On the reproductive biology of the western Atlantic bluefin tuna, Thunnus thynnus
<p>The Atlantic bluefin tuna, Thunnus thynnus, is a highly migratory species capable of traversing great distances throughout the North Atlantic Ocean, but spawning is known to occur only in the Mediterranean Sea and the Gulf of Mexico/Straits of Florida. The regulatory body charged with managing …
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Tracking diet and movement of Atlantic bluefin tuna (Thunnus thynnus) using carbon and nitrogen stable isotopes
<p>Atlantic bluefin tuna (ABFT; Thunnus thynnus) are important top predators in pelagic ecosystems. Understanding their diet and movements is necessary for proper management, but existing methods are costly and logistically challenging. Naturally occurring stable isotopes have been used to study …
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Somatic condition, growth and distribution of Atlantic bluefin tuna (Thunnus thynnus) in the Gulf of Maine
<p>Atlantic bluefin tuna (Thunnus thynnus), a highly migratory apex predator, utilize temperate feeding grounds to place their tissues into positive lipid balance following reproduction and subsequent migration to northern latitudes. Commercial fishermen target Atlantic bluefin tuna between June …
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A STUDY OF MEDITERRANEAN BLUEFIN TUNA (Thunnus thynnus L.) WITH REFERENCE TO STOCK IDENTIFICATION AND MANAGEMENT STRATEGIES
The management of bluefin tuna (Thunnus thynnus) in the north Atlantic has been based on the assumption that there are two separate stocks (an eastern Atlantic stock, including the Mediterranean Sea and a western Atlantic stock). This hypothesis has never been scientifically confirmed. This study …
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Biología reproductora, ecología trófica y bioacumulación de microcontaminantes en el atún rojo (thunnus thynnus) del estrecho de gibraltar
… dinámica de la población de atún rojo atlántico (Thunnus thynnus, L. 1758) es un aspecto básico para la gestión y conservación de esta especie. En la presente tesis doctoral se estudia la biología reproductora, ecología trófica y bioacumulación de microcontaminantes orgánicos en el atún rojo …
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Patrones de alimentación y reconstrucción de la dieta de juveniles y adultos de atún rojo (Thunnus thynnus, L. 1758) en el Mediterráneo occidental: análisis de contenidos estomacales e isótopos estables
… dieta y los hábitos alimentarios del atún rojo (Thunnus thynnus, L. 1758, ABFT) es un aspecto básico en la comprensión de su biología y mejora nuestra percepción e interpretación de su estructura y dinámica poblacional. Esta información es útil para lograr una adecuada gestión y explotación …
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Behavioural Ecology of Large Tuna
… (Chapter 2). It then uses Atlantic bluefin tuna (Thunnus thynnus, ABT), large migratory apex predators with exceptional physiological capacity, as a model system to examine behavioural responses to stressors operating across contrasting temporal scales. Chapter 3 documents an opportunistic …
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The implementation of a management procedure approach to set catch limits for the Southern Bluefin Tuna and the Atlantic Bluefin Tuna
… tuna species: Southern bluefin tuna (SBT - Thunnus maccoyii ) and Atlantic bluefin tuna (ABFT - Thunnus thynnus). The thesis reviews possibilities and advances proposals for the implementation of this approach in two international tuna Commissions: the Commission for the Conservation of …