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. 2013 Nov 11;3(15):4970–4986. doi: 10.1002/ece3.867

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© 2013 Published by John Wiley & Sons Ltd.

Re-use of this article is permitted in accordance with the Creative Commons Deed, Attribution 2.5, which does not permit commercial exploitation.

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Phenotypic and niche differences among large sparsely rakered whitefish (red triangles), small sparsely rakered whitefish (yellow circles), and densely rakered whitefish (blue diamonds) in Lake Tjærebukta (Tb), Lake Skrukkebukta (Sb), and Lake Langfjordvatn (Lf). Panel (A) shows the mean (±SD) gill raker number panel (B) the mean (±SD) stable isotope ratios of δ¹³C and δ¹⁵N. The mean isotopic values of putative invertebrate prey for whitefish are marked with L, Z, and P denoting littoral, pelagic, and profundal prey items.