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  1. Community structure influences species’ abundance along environmental gradients
  2. Lake size and fish diversity determine resource use and trophic position of a top predator in high-latitude lakes
  3. Trophic interactions between introduced lake trout (Salvelinus namaycush) and native Arctic charr (S. alpinus) in a large Fennoscandian subarctic lake
  4. Lipid-rich zooplankton subsidise the winter diet of benthivorous Arctic charr (Salvelinus alpinus) in a subarctic lake
  5. Large differences in catch per unit of effort between two minnow trap models
  6. Interactions between invading benthivorous fish and native whitefish in subarctic lakes
  7. Niche segregation of coexisting Arctic charr (Salvelinus alpinus) and brown trout (Salmo trutta) constrains food web coupling in subarctic lakes
  8. Dietary plasticity of Arctic charr (Salvelinus alpinus) facilitates coexistence with competitively superior European whitefish (Coregonus lavaretus)
  9. Seasonal and ontogenetic shifts in the diet of Arctic charr Salvelinus alpinus in a subarctic lake