Among‐individual diet variation within a lake trout ecotype: Lack of stability of niche use

• Published in: Ecology and Evolution
• Main Authors: Louise Chavarie, Kimberly L. Howland, Les N. Harris, Colin P. Gallagher, Michael J. Hansen, William M. Tonn, Andrew M. Muir, Charles C. Krueger
• Format: Article in Journal/Newspaper
• Language: English
• Published: Wiley 2021
• Subjects: Arctic; fatty acids; generalist; genetic; morphology; resource use; Ecology; QH540-549.5; Canada; Great Bear Lake
• Online Access: https://doi.org/10.1002/ece3.7158; https://doaj.org/article/b3d78c267b9e4eaa85c19e923664d9d3

Abstract In a polyphenic species, differences in resource use are expected among ecotypes, and homogeneity in resource use is expected within an ecotype. Yet, using a broad resource spectrum has been identified as a strategy for fishes living in unproductive northern environments, where food is patc...