首页> 外文会议>Workshop on Application of Stock Identification in Defining Marine Distribution and Migration of Salmon >Using Genetic Markers to Understand the Coastal Migration of Juvenile Coho (Oncorhynchus kisutch) and Chinook Salmon (O. tshawytscha)
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Using Genetic Markers to Understand the Coastal Migration of Juvenile Coho (Oncorhynchus kisutch) and Chinook Salmon (O. tshawytscha)

机译:利用遗传标记来了解少年Coho(Oncorhynchus Kisutch)和Chinook Salmon(O. Tshawytscha)的沿海迁移

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The production of salmon has been shown to vary in relation to climate and ocean conditions at small and large spatial scales (Beamish et al. 1999; Hare et al. 1999; Welch et al. 2000; Mueter et al. 2002). Hence, the fate of individual salmon stocks may depend on where they migrate to in the ocean, and the amount of time they spend in different regions of the ocean. The ocean migration of juvenile salmon has generally been studied using coded-wire tags (CWT) (Percy and Fisher 1988; Fisher and Pearcy 1995; Orsi and Jaenicke 1996; Orsi et al. 2000) and thermally marked otoliths (Carlson et al. 2000). Although the determination of the origin of CWT and thermally marked fish is unequivocal, these approaches may not reflect the stock composition of salmon in a given area as only a fraction of the fish are marked.
机译:已经显示出鲑鱼的生产与小型和大型空间尺度的气候和海洋状况有所不同(Beavish等人1999; Hare等人1999; Welch等人2000; Mueter等人2002)。因此,单个鲑鱼股的命运可能取决于他们在海洋中迁移到海洋的地方,以及他们在海洋不同地区花费的时间。少年鲑鱼的海洋迁移通常使用Coded-Wire标签(CWT)(Percy和Fisher 1988; Fisher和Pearcy 1995; Orsi和Jaenicke 1996; Orsi等,2000)和热标记的欧特里斯(Carlson等,2000 )。虽然CWT和热标记鱼的起源的测定是明确的,但这些方法可能不会在给定区域中反映鲑鱼的股票组成,因为只标记了鱼类的一部分。

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