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首页> 外文期刊>Russian journal of marine biology >Intraspecies Groups of the Chum Salmon Oncorhynchus keta (Salmonidae) of the Amur River and Their Distribution within the Basin
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Intraspecies Groups of the Chum Salmon Oncorhynchus keta (Salmonidae) of the Amur River and Their Distribution within the Basin

机译：Amur河河牛鲑鱼的含有紫荆鲑鱼牛孢子酮及其在盆地内的分布

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摘要

The chum salmon in the Amur River basin is represented by two races, that is, summer-run and fall-run races. In the summer-run race, one population is known to use a specific type of spawning grounds. The fall-run race includes three populations with different types of spawning grounds. These four populations correspond to four eco-geographical groups separated reproductively by geographical boundaries of the geomorphological zones, as well as temporally and ecologically. In China, chum salmon has not been recorded from the spawning grounds of the Amur basin for already more than 50 years. In the Russian Federation, 100% of summer-run chum salmon spawn completely at parafluvial springs in late July and August; 77.1% of fall-run chum spawn at orthofluvial springs in September-November; 20.4% of fall-run chum spawn in the downstream part of the spawning range at parafluvial springs in September; and 2.5% of fall-run chum spawn in lakes near the Amur River mouth at orthofluvial springs in October and November.
机译：阿穆尔河流域中的鲑鱼由两场比赛代表，即夏季奔跑和秋季的比赛。在夏季运行的比赛中，已知一种人口使用特定类型的产卵场。秋季竞赛包括三个具有不同类型产卵场的人群。这四个群体对应于四个生态地理组，通过地貌区的地理边界，以及时间和生态地分开。在中国，鲑鱼尚未从阿穆尔盆地的产卵场所记录已经超过50年。在俄罗斯联邦，100％的夏季春季鲑鱼在7月底和8月在Parafvial Springs中撒谎; 77.1％的77.1％在11月至11月在Orthofluvial Springs在Orthofluvial Springs中产卵; 9月在Parafvial Springs的产卵范围的下游部分20.4％的秋季休耕地产卵; 10月和11月，在奥彻弗鲁维斯斯普林斯的阿穆尔河口附近的湖泊附近的湖泊中秋季秋季的2.5％。

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