E-mail me at rpenczykowski [AT] for pre-prints.


17. Hite, J. L., R. M. Penczykowski, M. S. Shocket, K. Griebel, A. T. Strauss, M. A. Duffy, C. E. Cáceres, and S. R. Hall. Allocation, not male resistance, increases male frequency during epidemics: a case study in facultatively sexual hosts. Ecology, in press.

16. Penczykowski, R. M., B. M. Connolly, and B. T. Barton. 2017. Winter is changing: trophic interactions under altered snow regimes. Food Webs, in press.

15. Parratt, S. R., B. Barrés, R. M. Penczykowski, and A-L Laine. 2017. Local adaptation at higher trophic levels: Contrasting hyperparasite-pathogen infection dynamics in the field and laboratory. Molecular Ecology, 26:1964–1979.


14. Strauss, A. T., M. S. Shocket, D. J. Civitello, J. L. Hite, R. M. Penczykowski, M. A. Duffy, C. E. Cáceres, and S. R. Hall. 2016. Habitat, predators, and hosts regulate disease in Daphnia through direct and indirect pathways. Ecological Monographs, 86:393–411.

13. Hite, J. L., R. M. Penczykowski, M. S. Shocket, A. T. Strauss, P. A. Orlando, M. A. Duffy, C. E. Cáceres, and S. R. Hall. 2016. Parasites destabilize host populations by shifting stage-structured interactions. Ecology, 97:439-449.

12. Penczykowski, R. M., A-L Laine, and B. Koskella. 2016. Understanding the ecology and evolution of host–parasite interactions across scales. Evolutionary Applications, 9:37-52.


11. Civitello, D. J., R. M. Penczykowski, A. Smith, M. S. Shocket, M. A. Duffy, and S. R. Hall. 2015. Resources, key traits, and the size of fungal epidemics in Daphnia populations. Journal of Animal Ecology, 84:1010-1017.

10. Penczykowski, R. M., E. Walker, S. Soubeyrand, and A-L Laine. 2015. Linking winter conditions to regional disease dynamics in a wild plant-pathogen metapopulation. New Phytologist, 205:1142-1152.


9. Penczykowski, R. M., B. C. P. Lemanski, R. D. Sieg, S. R. Hall, J. Housley Ochs, J. Kubanek, and M. A. Duffy. 2014. Poor resource quality lowers transmission potential by changing foraging behaviour. Functional Ecology, 28:1245-1255.

8. Penczykowski, R. M., S. R. Hall, D. J. Civitello, and M. A. Duffy. 2014. Habitat structure and ecological drivers of disease. Limnology & Oceanography, 59:340-348.


7. Auld, S. K. J. R., R. M. Penczykowski, J. Housley Ochs, D. C. Grippi, S. R. Hall, and M. A. Duffy. 2013. Variation in costs of parasite resistance among natural host populations. Journal of Evolutionary Biology, 26:2479-2486.

6. Civitello, D. J., R. M. Penczykowski, J. L. Hite, M. A. Duffy, and S. R. Hall. 2013. Potassium stimulates fungal epidemics in Daphnia by increasing host and parasite reproduction. Ecology, 94:380-388.


5. Duffy, M. A., J. Housley Ochs, R. M. Penczykowski, D. J. Civitello, C. A. Klausmeier, and S. R. Hall. 2012. Ecological context influences epidemic size and parasite-driven evolution. Science, 335:1636–1638.


4. Duffy, M. A., J. M. Housley, R. M. Penczykowski, C. E. Cáceres, and S. R. Hall. 2011. Unhealthy herds: indirect effects of predators enhance two drivers of disease spread. Functional Ecology, 25:945–953.

3. Thomas, S. H., J. M. Housley, A. N. Reynolds, R. M. Penczykowski, K. H. Kenline, N. Hardegree, S. Schmidt, and M. A. Duffy. 2011. The ecology and phylogeny of oomycete infections in Asplanchna rotifers. Freshwater Biology, 56:384-394.

2. Penczykowski, R. M., S. E. Forde, and M. A. Duffy. 2011. Rapid evolution as a possible constraint on emerging infectious diseases. Freshwater Biology, 56:689-704.


1. Kamarainen, A. M., R. M. Penczykowski, M. C. Van de Bogert, P. C. Hanson, and S. R. Carpenter. 2009. Phosphorus sources and demand during summer in a eutrophic lake. Aquatic Sciences, 71:214-227.