Predators can influence the host-parasite dynamics of their prey via nonconsumptive effects

Ecology and Evolution
Nicolette ZukowskiMartin Krkošek

Abstract

Ecological communities are partly structured by indirect interactions, where one species can indirectly affect another by altering its interactions with a third species. In the absence of direct predation, nonconsumptive effects of predators on prey have important implications for subsequent community interactions. To better understand these interactions, we used a Daphnia-parasite-predator cue system to evaluate if predation risk affects Daphnia responses to a parasite. We investigated the effects of predator cues on two aspects of host-parasite interactions (susceptibility to infection and infection intensity), and whether or not these effects differed between sexes. Our results show that changes in response to predator cues caused an increase in the prevalence and intensity of parasite infections in female predator-exposed Daphnia. Importantly, the magnitude of infection risk depended on how long Daphnia were exposed to the cues. Additionally, heavily infected Daphnia that were constantly exposed to cues produced relatively more offspring. While males were ~5× less likely to become infected compared to females, we were unable to detect effects of predator cues on male Daphnia-parasite interactions. In sum, predators, prey, a...Continue Reading

References

Oct 1, 1977·Theoretical Population Biology·R D Holt
Nov 1, 2001·Trends in Parasitology·H Hurd
Apr 1, 2005·Proceedings. Biological Sciences·William Chadwick, Tom J Little
Jul 18, 2006·Proceedings of the National Academy of Sciences of the United States of America·Kevin D LaffertyArmand M Kuris
Feb 20, 2007·Ecology Letters·Spencer R HallCarla E Cáceres
May 9, 2008·Ecology Letters·Kevin D LaffertyDavid W Thieltges
Aug 1, 1991·Trends in Ecology & Evolution·D J Minchella, M E Scott
Apr 28, 2011·Evolution; International Journal of Organic Evolution·Mingbo YinJustyna Wolinska
Mar 6, 2012·PLoS Biology·David Duneau, Dieter Ebert
Aug 4, 2012·Journal of Evolutionary Biology·P F Vale, T J Little
May 9, 2013·Oecologia·Christopher R BertramCarla E Cáceres
Nov 14, 2014·Proceedings. Biological Sciences·Matthew R WalshStephan B Munch
Feb 13, 2015·The American Naturalist·John P DeLongMary I O'Connor
Feb 26, 2015·Proceedings of the National Academy of Sciences of the United States of America·Jason R RohrVal R Beasley
Nov 1, 2016·Evolution; International Journal of Organic Evolution·Alyssa M GleichsnerDennis J Minchella
Jun 27, 2017·Trends in Ecology & Evolution·Matthew D HallDieter Ebert
Dec 31, 2017·Journal of Evolutionary Biology·S A Y Gipson, M D Hall
Oct 3, 2018·Ecology and Evolution·Thomas M LuhringJohn P DeLong
Feb 5, 2019·Frontiers in Behavioral Neuroscience·Linda C Weiss
May 30, 2019·Integrative and Comparative Biology·Tara E Stewart MerrillCarla E Cáceres
Jul 19, 2019·Theoretical Population Biology·Zoi RaptiCarla E Cáceres
Aug 25, 2019·Trends in Parasitology·Julia C Buck

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