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An Assessment of Atlantic Bluefin Tuna
Contents
LIST OF FIGURES AND TABLES
xv
SUMMARY
1
1
BACKGROUND
5
ICCAT Regulations for Atlantic Bluefin Tuna,
6
Issues in Atlantic Bluefin Tuna Management,
7
Purpose of This Study,
8
2
HISTORICAL EVIDENCE FOR STOCK STRUCTURE
9
Introduction,
9
Concept of Stocks,
9
History of Atlantic Bluefin Tuna Stock Designations,
11
Genetic Studies,
13
Genetic Variation in Tunas and Scombroid Fish,
15
Genetic Variation in Bluefin Tuna,
16
Conclusion,
17
Recommendation,
17
Life History Parameters,
18
Geographic Locality of Spawning Grounds,
18
Timing of Spawning,
19
Age at Sexual Maturity,
20
Larval Biology,
21
Physiological Ecology of Bluefin Tuna Movement Patterns,
21