Chapter 1 Age and growth of bigeye tuna
1.1 Age and growth ofbigeye tuna,using fin spines
1.1.1 Introduction
1.1.2 Materials and methods
1.1.3 Results
1.1.4 Discussions
1.2 Age and growth ofbigeye tuna, using vertebra
1.2.1 Introduction
1.2.2 Materials and methods
1.2.3 Results
1.2.4 Discussions
Chapter 2 Biological characteristics of tunas
2.1 A comparison of biological characteristics of yellowfin tuna
2.1.1 Introduction
2.1.2 Materials and methods
2.1.3 Results
2.1.4 Discussions
2.2 The length structure of bigeye tuna and yellowfin tuna catch
2.2.1 Inlaoduction
2.2.2 Materials and methods
2.2.3 Results
2.2.4 Discussions
Chapter 3 Integrated habitat index
3.1 A comparison of methods about the prediction of integrated habitat index
3.1.1 Introduction
3.1.2 Materials and methods
3.1.3 Results
3.1.4 Discussions
3.2 A comparison on calculation methods about an integrated habitat index
3.2.1 Introduction
3.2.2 Materials and methods
3.2.3 Results
3.2.4 Discussions
Chapter 4 Tuna catch rate calculation methods
4.1 A comparison of two catch rate calculation methods
4.1.1 Introduction
4.1.2 Materials and methods
4.1.3 Results
4.1.4 Discussions
4.2 A comparison of catch rate on bigeye tuna of two longline fishing gears
4.2,1 Introduction
4.2.2 Materials and methods
4.2.3 Results
4.2.4 Discussions
Chapter 5 Effects of fishing gear and environmental factors on catch performances
5.1 A comparison of catch performance between circle hooks and tuna hooks
5.1.1 Introduction
5.1.2 Materials and methods
5.1,3 Results
5.1,4 Discussions
5.2 Effects of environmental factors and fishing gear on catch rates of sharks
5.2.1 Introduction
5.2.2 Materials and methods
5.2.3 Results
5.2.4 Discussions
5.3 The relationships between the catch rates and the depth and sea surface
temperature
5.3,1 Introduction
5.3.2 Materials and methods
5.3.3 Results
5.3.4 Discussions
5.4 Development of a three-dimensional nnmerical model for pelagic longlines
5.4.1 Introduction
5.4.2 Materials and methods
5,4.3 Results
5.4.4 Discussions
评论
本书利用2005年--2014年在印度洋公海海域和中西太平洋海域漂流金枪鱼延绳钓渔业调查所获得的主要金枪鱼类、兼捕的鲨鱼类和枪鱼类的生物学数据、渔获数据、渔具作业参数和海洋环境数据，对金枪鱼类的渔业生物学、栖息环境、漂流金枪鱼延绳钓金枪鱼类渔获率的计算方法、渔具和环境因素对渔获率的影响等进行了分析研究，得出了大眼金枪鱼年龄与生长的关系、阐明了印度洋公海海域黄鳍金枪鱼生物学特性发生变化的原因。
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