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

• Published in: Ecology and Evolution
• Main Authors: Chavarie, Louise, Howland, Kimberly L., Harris, Les N., Gallagher, Colin P., Hansen, Michael J., Tonn, William M., Muir, Andrew M., Krueger, Charles C.
• Other Authors: Great Lakes Fishery Commission, Fisheries and Oceans Canada
• Format: Article in Journal/Newspaper
• Language: English
• Published: Wiley 2021
• Subjects: Great Bear Lake
• Online Access: http://dx.doi.org/10.1002/ece3.7158; https://onlinelibrary.wiley.com/doi/pdf/10.1002/ece3.7158; https://onlinelibrary.wiley.com/doi/full-xml/10.1002/ece3.7158

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...