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Freshwater Ecology Lab at The Evergreen State College


Publications: please contact me for reprints - LeRoyC-at-evergreen.edu or find pdfs on ResearchGate

In Review / In Press

(* denotes undergraduate co-author, 19 to-date; † denotes MES graduate student, 4 to-date)

†Buckingham, D.A., M. Linders, C. Landa, L. Mullen, C.J. LeRoy. 2016. Oviposition preference of endangered Taylor’s checkerspot butterflies (Euphydryas editha taylori) using native and non-native hosts. Northwest Science90(4): (In press).

Kallestad, J.C., J.L. Vittetoe, C.J. LeRoy, K.F. Rubert-Nason, and J.D. Stark. Vole preferences for poplar genotypes: Roles for near infrared reflectance spectroscopy in predicting bark consumption based on known and unknown compounds. Journal of Chemical Ecology (In review).

Follstad Shah, J.J., J.S. Kominoski, M. Ardón, W.K. Dodds, M.O. Gessner, N.A. Griffiths, S.L. Johnson, A. Lecerf, C.J. LeRoy, D.W. Manning, A.D. Rosemond, R. L. Sinsabaugh, C.M. Swan, J.R. Webster, and L.H. Zeglin. Global synthesis of the temperature sensitivity of leaf litter breakdown in streams and rivers. Ecological Monographs(In review).

LeRoy, C.J. MS No. 38 & Ethics and Biosafety: Plant Genetic Engineering, Ecological Issues. Encyclopedia of Applied Plant Science (In press).

Published Articles

35. Fischer, D.G., C.J. LeRoy, E. Hersch-Green, C. Dirks, R.K. Bangert, G.M. Wimp, J.K. Bailey, J.A. Schweitzer, S.C. Hart, G. Allan, and T.G. Whitham. 2016. Tree genetics strongly affect forest productivity, but intraspecific diversity-productivity relationships do not. Functional Ecology (DOI: 10.1111/1365-2435.12733).

34. LeRoy, C.J., D.G. Fischer, *W.M. Andrews, *L. Belleveau, C.H. Barlow, J.A. Schweitzer, J.K. Bailey, J.C. Marks, J.C. Kallestad. 2016. Salmon carcasses influence genetic linkages between forests and streams. Canadian Journal of Fisheries and Aquatic Sciences 73:910-920. Watch a video abstract of this paper from a class project.

33. Weber, S., M. Hayes, T. Webb, and C.J. LeRoy. 2015. Environmental education in prison: A comparison of teaching methods and their influence on inmate attitudes and knowledge of environmental topics. Interdisciplinary Environmental Review 16(2/3/4): 267-284.

32. LeRoy, C.J. 2015. Outside the Tower: Bringing science inside prison walls. Science 348(6234): 511.

31. Husby, J.F., C.J. LeRoy and C. Fimbel. 2015. Pollinators may not limit native seed viability for Puget Lowland prairie restoration. Journal of Pollination Ecology 15(5): 30-37.

30. Kaye, T.N., K.B. Bush, C. Naugle, and C.J. LeRoy. 2015. Conservation projects in prison: The case for engaging incarcerated populations in conservation and science. Natural Areas Journal  35(1):90-97. 

29. Crutsinger, G.M., S.M. Rudman, M.A. Rodriguez-Cabal, A.D. McKown, T. Sato, A.A.M. MacDonald, J. Heavyside, A. Geraldes, E.M. Hart, C.J. LeRoy, and R.W. El-Sabaawi. 2014. Testing a “genes-to-ecosystems” approach to understanding aquatic-terrestrial linkages. Molecular Ecology 23:5888-5903.

28. LeRoy, C.J., A.S. Wymore, R. *Davis, and J.C. Marks. 2014. Indirect influences of a major drought on leaf litter quality and decomposition in a southwestern stream. Fundamental and Applied Limnology 184:1-10 (DOI: 10.1127/1863-9135/2014/0505).  

27. Claeson, S., C.J. LeRoy, *J.R. Barry, and K.A. Kuehn. 2013. Impacts of invasive riparian knotweed on litter decomposition, fungi, and macroinvertebrates. Biological Invasions (online; DOI: 10.1007/s10530-013-0589-6). 

26. Kominoski, J.S., J.J. Follstad Shah, C. Canhoto, D.G. Fischer, D.P. Giling, E. González, N.A. Griffiths, A. Larrañaga, C.J. LeRoy, M.M. Mineau, Y.R. McElarney, S.M. Shirley, C.M. Swan, and S.D. Tiegs. 2013. Forecasting functional implications of global changes in riparian plant communities. Frontiers in Ecology and the Environment 11: 423–432 (DOI:10.1890/120056).

25. LeRoy, C.J., S.C. Wooley and R.L. Lindroth. 2012. Genotype and soil nutrient environment influence aspen litter chemistry and in-stream decomposition. Freshwater Science 31(4):1244-1253. (DOI: 10.1899/12-029.1).

24. Stasch, A., K. Bush, C.J. LeRoy, N. Nadkarni, and D. Pacholke. 2012. Interpreting in Prisons: The Sustainability in Prisons Project. Legacy July/August: 10-18.

23. *Kirsch, J.L., D.G. Fischer, *A.N. Kazakova, A. Biswas, *R.E. Kelm, *D.W. Carlson, and C.J. LeRoy. 2012. Diversity-carbon flux relationships in a Northwest forest. Diversity 4:33-58. (DOI:10.3390/d4010033). 

22. Hjältén, J., E. P. Axelsson, T.G. Whitham, C.J. LeRoy, R. Julkunen-Tiitto, A. Wennström, and G. Pilate. 2012. Increased resistance of Bt aspens to Phratora vitellinae (Coleoptera) leads to increased plant growth under experimental conditions. PLoS one 7(1): e30640 (DOI:10.1371/journal.pone.0030640).

21. Axelsson, E.P., J. Hjältén, C.J. LeRoy. 2012. Performance of insect-resistant Bacillus thuringiensis (Bt)-expressing aspens under semi-natural field conditions including natural herbivory in Sweden. Forest Ecology and Management 264: 167-171 (DOI: 10.1016/j.foreco.2011.10.006).

20. Axelsson, E. P., J. Hjältén, C.J. LeRoy, T.G. Whitham , R. Julkunen-Tiitto, A. Wennström. 2011. Leaf litter from insect-resistant transgenic trees causes changes in aquatic insect community composition. Journal of Applied Ecology 48: 1472-1479 (DOI: 10.1111/j.1365-2664.2011.02046.x).

19. *Bretherton, W.D., J.S. Kominoski, D.G. Fischer, and C.J. LeRoy. 2011. Salmon carcasses alter leaf litter species diversity effects on in-stream decomposition. Canadian Journal of Fisheries and Aquatic Sciences 68:1495-1506 (DOI: 10.1139/f2011-082).

18. LeRoy, C.J., D.G. Fischer, K. *Halstead, M. *Pryor, J.K. Bailey, and J.A. Schweitzer. 2011. A fungal endophyte slows litter decomposition in streams. Freshwater Biology 56:1426-1433 (DOI: 10.1111/j.1365-2427.2011.02581.x).

17. *Rook, E.J., D.G. Fischer, J.L. *Kirsch, R.D. *Seyferth, C.J. LeRoy, and S. Hamman. 2011. Responses of prairie vegetation to fire, herbicide, and invasive species legacy. Northwest Science 85:288-302 (DOI: 10.3955/046.085.0216).

16. *Elliott, C., D.G. Fischer, and C.J. LeRoy. 2011. Germination of three native Lupinus species in response to temperature. Northwest Science 85:403-410 (DOI: 10.3955/046.085.0223).

15. Lecerf, A., M. Guillaume, J. Kominoski, C.J. LeRoy, C. Bernadet, and C.M. Swan. 2011. Incubation time, functional litter diversity, and ecosystem characteristics predict nonadditive litter mixing effects on decomposition: A synthesis from streams. Ecology 92:160–169 (DOI: 10.1890/10-0315.1)

14. Axelsson, E.P., J. Hjältén, C.J. LeRoy, R. Julkunen-Tiitto, A. Wennström, and G. Pilate. 2010. Can leaf litter from genetically modified trees affect aquatic ecosystems? Ecosystems 13:1049-1059. (DOI: 10.1007/s10021-010-9373-y)

13. Kominoski, J.S., T.J. Hoellein, C.J. LeRoy, C.M. Pringle, and C.M. Swan. 2010. Beyond species richness: Expanding biodiversity-ecosystem functioning theory in detritus-based streams. River Research and Applications 26:67-75. (DOI: 10.1002/rra.1285).

12. Bailey, J.K., J.A. Schweitzer, J. Koricheva, M.D. Madritch, C.J. LeRoy, B.J. Rehill, R.K. Bangert, D.G. Fischer, G.J. Allan, and T.G. Whitham. 2009. From genes to ecosystems: Synthesizing the effects of plant genetic factors. Philosophical Transactions of the Royal Society B 364:1607-1616.

11. *Muehlbauer, J.D., C.J. LeRoy, J.M. *Lovett, K.K. Flaccus, J.K. Vlieg, and J.C. Marks. 2009. Short-term responses of decomposers to flow restoration in Fossil Creek, Arizona, USA. Hydrobiologia 618:35-45.

10. Schweitzer, J.A., M.D. Madritch, J.K. Bailey, C.J. LeRoy, D.G. Fischer, B. Rehill, R.L. Lindroth, A.E. Hagerman, S.C. Wooley, S.C. Hart, and T.G. Whitham. 2008. From genes to ecosystems: The genetic basis of condensed tannins and their role in nutrient regulation in a Populus model system. Ecosystems 11(6):1005-1020.

9. Schweitzer, J.A., J.K. Bailey, D.G. Fischer, C.J. LeRoy, E.V. Lonsdorf, T.G. Whitham, and S.C. Hart. 2008. Plant-soil-microorganism interactions: Heritable relationship between plant genotype and associated soil microorganisms. Ecology 89(3):773-781.

8. Fischer, D.G., S.C. Hart, C.J. LeRoy, T.G. Whitham. 2007. Variation in below-ground carbon fluxes along a Populus hybridization gradient. New Phytologist 176:415-425.

7. LeRoy, C.J., T.G. Whitham, S.C. Wooley, and J.C. Marks. 2007. Within-species variation in foliar chemistry influences leaf-litter decomposition in a Utah river. Journal of the North American Benthological Society 26:426-438.

6. Whitham, T.G., J.K. Bailey, J.A. Schweitzer, S.M. Shuster, R.K. Bangert, C.J. LeRoy, E. Lonsdorf, G.J. Allan, S.P. DiFazio, B.M. Potts, D.G. Fischer, C.A. Gehring, R.L. Lindroth, J.C. Marks, S.C. Hart, G.M. Wimp, and S.C. Wooley. 2006. A framework for community and ecosystem genetics: from genes to ecosystems. Nature Reviews Genetics 7:510-523.

5. LeRoy, C.J., T.G. Whitham, P. Keim, and J.C. Marks. 2006. Plant genes link forests and streams. Ecology 87(1): 255-261.

4. LeRoy, C.J., and J.C. Marks. 2006. Litter quality, stream characteristics, and litter diversity influence decomposition rates and macroinvertebrates. Freshwater Biology 51: 605-617.

3. Kovacs, Z.I., C.J. LeRoy, D.G. Fischer, S. Lubarsky, and W. Burke. 2006. How do aesthetics affect our ecology? Journal of Ecological Anthropology 10:61-65.

2. Whitham, T.G., E. Lonsdorf, J.A. Schweitzer, J.K. Bailey, D.G. Fischer, S.M. Shuster, R.L. Lindroth, S.C. Hart, G.J. Allan, C.A. Gehring, P. Keim, B.M. Potts, J.C. Marks, B.J. Rehill, S.P. DiFazio, C.J. LeRoy, G.M. Wimp, and S. Woolbright. 2005. “All effects of the gene on the world”: Extended phenotypes, feedbacks and multi-level selection. ÉcoScience 12: 5-7.

1. Flaccus, K., J. Vlieg, J.C. Marks and C.J. LeRoy. 2004. Restoring Fossil Creek. The Science Teacher 71(6):36-40.

Published Books and Book Chapters

7. Trivett, J.R., K. Bush, C. Elliott, †J. Mann, R. Pond, E. Tharp, J. Vanneste, D.J. Pacholke, and C.J. LeRoy. 2016. A Case Study: Sustainability in Prisons Project (SPP) Horticulture Programs. Pp. 365-383, In: Sowing Seeds in the City: Human Dimensions. Springer, Netherlands. (ISBN: 978-94-017-7454-3).

6. LeRoy, C.J. 2015. Basia Irland Catalogue Essay. Museum Het Domein Sittard, Netherlands. 11-29-15 to 2-21-16.

5. LeRoy, C.J., J.R. Trivett, K. Bush, J. Vanneste, D. Pacholke. 2013. The Sustainability in Prisons Project Handbook: Protocols for the SPP Network, 1st Edition. Gorham Publishing, Olympia, WA. (ISBN: 978-0988641518).

4. LeRoy, C.J., K. Bush, J. Trivett, and †B. Gallagher. 2012. The Sustainability in Prisons Project: An Overview 2004-2012. Gorham Publishing, Olympia, WA. (ISBN: 978-0988641501).

3. Schweitzer, J.A., J.K. Bailey, D.G. Fischer, C.J. LeRoy, T.G. Whitham and S.C. Hart. 2012. Functional and heritable consequences of plant genotype on community composition and ecosystem processes. In: Trait-mediated Indirect Interactions: Ecological and Evolutionary Perspectives. (T. Ohgushi, O. Schmitz & R. D. Holt eds). Cambridge University Press, Cambridge, UK. (ISBN: 978-1107001831).

2. Bailey, J.K., J.A. Schweitzer, F. Úbeda, M. Zinkgraf, B.M. Fitzpatrick, J. O’Reilly-Wapstra, B.J. Rehill, C.J. LeRoy, B.M. Potts, T.G. Whitham, M.A. Genung, D.G. Fischer, C.C. Pregitzer, and A.R. Keith. 2012. From genes to ecosystems: Emerging concepts bridging ecological and evolutionary dynamics. In: Ecological Reviews. The ecology of plant secondary metabolites: From genes to global processes. (G.R. Iason, M. Dicke, and S.E. Hartley, eds). Cambridge University Press, Cambridge, UK. (ISBN: 978-0521157124).

1. Whitham, T.G., C. A. Gehring, L.M. Evans, C.J. LeRoy, R.K. Bangert, J.A. Schweitzer, G.J. Allan, R.C. Barbour, D.G. Fischer, B.M. Potts, and J.K. Bailey. 2010. A community and ecosystem genetics approach to conservation biology and management. In: Molecular Approaches in Natural Resource Conservation (J.A. DeWoody, J.W. Bickham, C.H. Michler, K.M. Nichols, O.E. Rhodes, and K.E. Woeste, eds.). Cambridge University Press, Cambridge, UK. (ISBN: 978-0521731348).


In: Loeser, M.R., B.H. McRae, M.M. Howe, and T.G. Whitham. 2006. Litter hovels as havens for riparian spiders in an unregulated river. Wetlands 26:13-19.






Sustainability in Prisons Project: An Overview 2004-2012




SPP Handbook: Protocols for the SPP Network, 2013



Book chapters:



Trait-Mediated Indirect Interactions



The Ecology of Plant Secondary Metabolites





Molecular Approaches in Natural Resource Conservation and Management



Cover Photo:



A fungal endophyte slows litter decomposition in streams