Causes and consequences of ontogenetic dietary shifts: a global synthesis using fish models

J Sánchez‐Hernández, AD Nunn, CE Adams… - Biological …, 2019 - Wiley Online Library
Ontogenetic dietary shifts (ODSs), the changes in diet utilisation occurring over the life span
of an individual consumer, are widespread in the animal kingdom. Understanding ODSs …

Conceptualising the interactive effects of climate change and biological invasions on subarctic freshwater fish

RJ Rolls, B Hayden, KK Kahilainen - Ecology and Evolution, 2017 - Wiley Online Library
Climate change and species invasions represent key threats to global biodiversity. Subarctic
freshwaters are sentinels for understanding both stressors because the effects of climate …

Niche segregation of coexisting Arctic charr (Salvelinus alpinus) and brown trout (Salmo trutta) constrains food web coupling in subarctic lakes

AP Eloranta, R Knudsen… - Freshwater …, 2013 - Wiley Online Library
Generalist fish species are recognised as important couplers of benthic and pelagic food‐
web compartments in lakes. However, interspecific niche segregation and individual …

[HTML][HTML] Seasonal variation in activity and nearshore habitat use of lake trout in a subarctic lake

PJ Blanchfield, G McKee, MM Guzzo, AJ Chapelsky… - Movement Ecology, 2023 - Springer
Background In lake ecosystems, predatory fish can move and forage across both nearshore
and offshore habitats. This coupling of sub-habitats, which is important in stabilizing lake …

Nutritional quality of littoral macroinvertebrates and pelagic zooplankton in subarctic lakes

J Vesterinen, O Keva, KK Kahilainen… - Limnology and …, 2021 - Wiley Online Library
Littoral benthic primary production is considered the most important energy source of
consumers in subarctic lakes. We analyzed essential fatty acid (EFA) and amino acid (EAA) …

Lake size and fish diversity determine resource use and trophic position of a top predator in high‐latitude lakes

AP Eloranta, KK Kahilainen, PA Amundsen… - Ecology and …, 2015 - Wiley Online Library
Prey preference of top predators and energy flow across habitat boundaries are of
fundamental importance for structure and function of aquatic and terrestrial ecosystems, as …

Dual fuels: Intra‐annual variation in the relative importance of benthic and pelagic resources to maintenance, growth and reproduction in a generalist salmonid fish

B Hayden, C Harrod… - Journal of Animal Ecology, 2014 - Wiley Online Library
Ecological systems are often characterized as stable entities. However, basal productivity in
most ecosystems varies between seasons, particularly in subarctic and polar areas. How …

[HTML][HTML] Exploring temporal patterns in fish feeding ecology: Are ontogenetic dietary shifts stable over time?

J Sánchez-Hernández, S Prati, EH Henriksen… - Reviews in Fish Biology …, 2022 - Springer
Disentangling the causes and consequences of ontogenetic niche shifts has been a pivotal
challenge in ecology, aiming to enhance the understanding of biological processes that …

Content, composition, and transfer of polyunsaturated fatty acids in an Arctic lake food web

G Grosbois, M Power, M Evans, G Koehler… - Ecosphere, 2022 - Wiley Online Library
Freshwater fish production depends on the production and use of polyunsaturated fatty
acids (n‐3 and n‐6 PUFA) from lower trophic levels. Here, we aimed to identify the main …

Species introduction promotes hybridization and introgression in Coregonus: is there sign of selection against hybrids?

KK Kahilainen, K Østbye, C Harrod… - Molecular …, 2011 - Wiley Online Library
Species introductions are considered one of the major drivers of biodiversity loss via
ecological interactions and genetic admixture with local fauna. We examined two well …