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Anadromy and Marine Habitat Use of Lake Trout ( Salvelinus namaycush ) From the Central Canadian Arctic
Journal of Fish Biology ( IF 2 ) Pub Date : 2020-03-27 , DOI: 10.1111/jfb.14305
Les N Harris 1 , Heidi K Swanson 2 , Matthew J H Gilbert 3 , Brendan K Malley 1 , Aaron T Fisk 4 , Jean-Sébastien Moore 5
Affiliation  

Anadromy was documented in 16 lake trout, Salvelinus namaycush, from Canada's central Arctic using capture data and otolith microchemistry. For the first time, estuarine/marine habitat use was described for five individuals using acoustic telemetry. Age-at-first migration to sea was variable (10-39 years) among individuals and most S. namaycush undertook multiple anadromous migrations within their lifetime. Telemetry data suggested that S. namaycush do not travel far into marine habitats and prefer surface waters (< 2 m). These results further our overall understanding of the marine ecology of Arctic S. namaycush. This article is protected by copyright. All rights reserved.

中文翻译:

来自加拿大中部北极地区的湖鳟鱼 (Salvelinus namaycush) 的解剖学和海洋栖息地利用

使用捕获数据和耳石微化学记录了来自加拿大北极中部的 16 条湖鳟鱼 Salvelinus namaycush 的解剖学。首次使用声学遥测技术描述了五个人的河口/海洋栖息地使用情况。个体之间的首次海洋迁移年龄是可变的(10-39 岁),大多数 S. namaycush 在其一生中进行了多次溯河迁移。遥测数据表明 S. namaycush 不会深入海洋栖息地,更喜欢地表水 (< 2 m)。这些结果进一步加深了我们对北极 S. namaycush 海洋生态的整体了解。本文受版权保护。版权所有。
更新日期:2020-03-27
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