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首页> 外文期刊>Russian journal of marine biology >The Spring-Run Ecotype of the Steelhead Trout Parasalmo (Oncorhynchus) mykiss (Walbaum, 1792) (Salmonidae, Salmoniformes) in the Kamchatka Peninsula
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The Spring-Run Ecotype of the Steelhead Trout Parasalmo (Oncorhynchus) mykiss (Walbaum, 1792) (Salmonidae, Salmoniformes) in the Kamchatka Peninsula

机译：Spilem-un春天的生态型在Kamchatka半岛的岩浆鳟鱼帕萨拉尔帕萨拉帕萨拉帕萨拉帕萨拉拉帕萨拉帕萨拉帕萨拉尔Mykiss（沃巴姆，1792）（鲑鱼，鲑鱼）

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摘要

A seasonal spring-run (vernal) ecotype of the Steelhead Trout Parasalmo (Oncorhynchus) mykiss (Walbaum, 1792) has been found in western Kamchatka for the first time. Fish of this ecotype perform anadromous migration in May; however, the timing and grounds of spawning of the spring- and fall-run (hiemal) ecotypes in Kamchatka completely overlap. An analysis of microsatellite loci of both ecotypes has shown no differences between them; therefore, they are suggested to represent a single population. The spring- and fall-run steelhead of Kamchatka are not analogous to the winter- and summer-run steelhead of North America. The spring-run ecotype of anadromous steelhead from Kamchatka rivers can be considered a temporal adaptive form that appeared during the warm periods of the large-scale climate and ocean fluctuations in the North Pacific.
机译：第一次在西堪察加西部康马尔帕萨拉尔莫（Oncorhynchus）Mykiss（Walbaum，1792）的季节性春季运行（春天）生态型。这种生态型鱼在5月份进行阿拉基迁移;然而，在Kamchatka中的弹簧和落后（Hiemal）生态型在堪察加完全重叠的时间和地位。对两种生态型微卫星基因座的分析显示它们之间没有差异;因此，建议他们代表单人口。堪察加的春天和秋季的钢头不像北美的冬季和夏季跑道。来自堪察加河河流的春季经营的钢头速度的生态型可以被认为是在北太平洋大规模气候和海洋波动的温暖时期出现的时间自适应形式。

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