Publications

Wiens, L.N.*, Friesen, O.C.*, Johnson, M.W., Kanayok, K., Hamilton, B.M., Gilbert, M.J.H., Moore, J.S., and Harris, L.N. (2026) First glimpse into parasites of Arctic anadromous lake trout. Arctic Science. doi: 10.1139/as-2025-0060 *co-first authors

Belanger, A.M., Roth, J.D., Ferguson, S.H., Friesen, O.C., and Watt, C.A. (2025) Seasonal flexibility in energy stores of Hudson Bay beluga whales: Insights from blubber lipid analysis. Canadian Journal of Zoology. doi: 10.1139/cjz-2024-0114

Alibi, S., Gudmundson, A.C., Hodinka, C., Mann, S.C., Friesen, O.C., and Detwiler, J.T. (2025) Outreach in Parasitology: Parasites and their amazing diversity, complex life cycles, and impacts on humans. Host Parasite Interactions Network, QUBES Educational Resources. doi:10.25334/3YFH-0V73

Friesen, O.C., Aukema, H.M., and Detwiler, J.T. (2024) Species-specific oxylipins and the effects of ontogeny and predation on their emission from freshwater snails. Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology. doi: 10.1016/j.cbpa.2024.111607

Friesen, O.C., Aukema, H.M., and Detwiler, J.T. (2022) Changes in snail chemical profiles through host-parasite interactions. Molecular and Biochemical Parasitology. doi: 10.1016/j.molbiopara.2022.111464

Friesen, O.C., Li, C.H., Sykes, E.M.E., Stout, J.M., Aukema, H.M., Kumar, A., and Detwiler, J.T. (2022) Density-dependent prophylaxis in freshwater snails driven by oxylipin chemical cues. Frontiers in Immunology. doi: 10.3389/fimmu.2022.826500

Friesen, O.C. Poulin, R., and Lagrue, C. (2021) Temperature and multiple parasites combine to alter host community structure. Oikos. doi: 10.1111/oik.07813

Friesen, O.C. and Detwiler, J.T. (2021) Parasite-modified chemical communication: implications for aquatic community dynamics. Frontiers in Ecology and Evolution. doi: 10.3389/fevo.2021.634754

Friesen, O.C., Goellner, S., Poulin, R., and Lagrue, C. (2020) Parasites shape community structure and dynamics in freshwater crustaceans. Parasitology. doi: 10.1017/S0031182019001483

Friesen, O.C., Goellner, S., Poulin R., and Lagrue, C. (2019) Parasite infection reduces predation risk by dragonfly larvae in crustacean prey. Hydrobiologia. doi: 10.1007/s10750-019-3929-4

McPherson O.G., Friesen O.C., Selbach C., and Poulin R. (2018) Prior infections or defence priming: what determines the risk of trematode infections in amphipod hosts? Parasitology Research. doi: 10.1007/s00436-018-5885-8

Goellner, S., Selbach, C., and Friesen O.C. (2018) Do behavioural defence mechanisms explain different levels of trematode infections in congeneric hosts? Journal of Helminthology. doi: 10.1017/S0022149X18000299

Friesen O.C. Poulin R., and Lagrue, C. (2018) Parasite-mediated microhabitat segregation between congeneric hosts. Biology Letters. 14: 20170671. doi: 10.1098/rsbl.2017.0671

Friesen O.C., Poulin R., and Lagrue, C. (2017) Differential impacts of shared parasites on fitness components among competing hosts. Ecology and Evolution. 7(13): 4682-4693. doi:10.1002/ece3.3062

Friesen, O.C. and Roth, J.D. (2016) Alternative prey use affects helminth parasite infections in gray wolves. Journal of Animal Ecology. 85(5): 1265–1274. doi:10.1111/1365-2656.12544

Friesen, O.C., Roth, J.D., Graham, L.C. (2015) Sex-biased parasitism in monogamous arctic foxes is driven by diet. Journal of Mammalogy. 96(2): 417-424. doi: 10.1093/jmamma/gyv043

Friesen, O.C. and Roth, J.D. (2019) Living on the edge: vast interspecific variation in parasites between sympatric Arctic and red foxes driven by life history. Under Review

Friesen, O.C. and Hann, B. J. (2018) Rapid bioassessment protocols for detecting impacts of cottage development on boreal shield lakes using zooplankton communities. In preparation