Ph.D., Biology, Stanford University

B.S., Ecology, University of Michigan, Ann Arbor

Postdoc, Center for International Security & Cooperation, Stanford University

Postdoc, Centre for Biodiversity Research, University of British Columbia


Program Leader, Environmental Change Initiative

Fellow, Reilly Center for Science, Technology & Values

Fellow, Eck Institute for Global Health

Former Fellow, Notre Dame Institute for Advanced Study

Recent tools & reports

Advancing Adaptation in the City of Chicago: Climate Considerations for Management of Natural Areas

Impacts of Climate Change on Biodiversity, Ecosystems and Ecosystem Services: Technical Input to the 2013 National Climate Assessment (Ch. 2: Biodiversity & Ch 4: Adaptation)

Current Courses

General Ecology

Sustainability: Principles and Practices

Select Recent Grants & Awards

2011 Fellow, Aldo Leopold Leadership Program

2011-2012 Fellow, ND Institute for Advanced Study (for book project on climate change adaptation)

2010 US Department of Interior (for climate change impacts on endangered species)

2010 National Science Foundation (for interdisciplinary studies on climate change adaptation)

2009 National Science Foundation (for climate change effects on hybridization)

2009 National Commission on Energy Policy (for climate change impacts on mosquitoes)

2007 National Science Foundation & Cedar Tree Foundation (for managed relocation)

2007, 2006 & 2005 Program for Ecosystem Research, US Department of Energy (for biogeographic studies

     & genomic research)

2006 Career Enhancement Award, Woodrow Wilson Fellowship Foundation


Schwartz, M., J. Hellmann, J. McLachlan, D. Sax, J. Borevitz, J. Brennan, A. Camacho, G. Ceballos, J. Rappaport Clark, H. Doremus, R. Early, J. Etterson, D. Fielder, J. Gill, P. Gonzalez, N. Green, L. Hannah, D. Jamieson, D. Javeline, B. Minteer, J. Odenbaugh, S. Polasky, D. Richardson, T. Root, H. Safford. 2012. Managed relocation: integrating the scientific, regulatory and ethical challenges. BioScience 62: 732-743. Press release Article

Byrne, M., I. Hunt, J. Hellmann, N. Mitchell, S. Garnett, M. Hayward, T. Martin, E. McDonald-Madden, S. Williams, and K. Zander. 2012. Using assisted colonisation to conserve biodiversity and restore ecosystem function under climate change. Biological Conservation. In press.

Johnson, R. A., N. V. Chawla, and J. J. Hellmann. 2012. Species distribution modeling and prediction: a class imbalance problem. In Proceedings of the Conference on Intelligent Data Understanding. In press.

Ibáñez, I., E. S. Gornish, L. Buckley, D. M. Debinski, J. Hellmann, B. Helmuth, J. Hillerislambers, A. M. Latimer, A. J. Miller-Rushing, and M. Uriarte. Moving forward in global-change ecology: capitalizing on natural variability. Ecology and Evolution. In press.

Williams, C. W., K. E. Marshall, H. A. MacMillan, J. D. K. Dzurisin, J. J. Hellmann, and B. J. Sinclair. 2012. Thermal variability increases the impact of autumnal warming and drives metabolic depression in an overwintering butterfly. PLoS One 7: e34470. Article

Hellmann, J. J., K. M. Prior, and S. L. Pelini. 2012. The influence of species interactions on geographic range change under climate change. Year in Ecology and Conservation Biology 1249: 18-28. Abstract

Williams, C. M., J. J. Hellmann, and B. J. Sinclair. 2012. Lepidopteran species differ in susceptibility to winter warming. Climate Research 53: 119-130. Abstract

Hellmann, J. J., and M. E. Pfrender. 2011. Future human intervention in ecosystems and the critical role of evolutionary biology. Conservation Biology 25: 1143-1147. Abstract

Hellmann, J. J., V. J. Meretsky, and J. S. McLachlan. 2011. Strategies for conserving biodiversity under a changing climate. Pages 363-288 In: Hannah, L., ed. Saving a Million Species: Extinction Risk from Climate Change. Island Press, Washington, DC.

Deines, J. M., J. J. Hellmann, and T. J. Curran. 2011. Traits associated with drought survival in three Australian tropical rainforest seedlings. Australian Journal of Botany 59: 620-628. Abstract

Aardema, M. L., J. M. Scriber, and J. J. Hellmann. 2011. Considering local adaptation in issues of lepidopteran conservation -- a review and recommendations. American Midland Naturalist 165: 294-303. Abstract

Prior, K. M., and J. J. Hellmann.  2010. Impact of an invasive oak-gall wasp on a native butterfly: a test of plant-mediated competition. Ecology 91: 3284-3293. Abstract

Pelini, S. L., J. Keppel, A. Kelley, and J. J. Hellmann. 2010.  Adaptation to host plants may prevent rapid insect response to climate change.  Global Change Biology 16: 2923-2929. Abstract

O’Neil, S. T., J. D. K. Dzurisin, R. Carmichael, N. F. Lobo, S. J. Emrich, and J. J. Hellmann.  2010. Population-level transcriptome sequencing of nonmodel organisms Erynnis propertius and Papilio zelicaon. BMC Genomics 11: 310. PDF

Hellmann, J. J., K. J. Nadelhoffer, L. R. Iverson, L. H. Ziska, S. N. Matthews, P. Myers, A. M. Prasad, and M. P. Peters.  2010.  Climate change impacts on terrestrial ecosystems in metropolitan Chicago and its surrounding, multi-state region. Journal of Great Lakes Research 36(2): 74-85. Abstract

Williams, C. M., S. L. Pelini, J. J, Hellmann, and B. J. Sinclair. 2010. Intra-individual variation allows an explicit test of the hygric hypothesis of discontinuous gas exchange in insects. Biology Letters 6: 274-277. Abstract

Pelini, S. L., J. D. K. Dzurisin, K. M. Prior, C. M. Williams, T. D. Marsico, B. J. Sinclair, and J. J. Hellmann. 2009. Translocation experiments with butterflies reveal limits to enhancement of poleward populations under climate change.  Proceedings of the National Academy of Sciences 106: 11160-11165.  Abstract

Marsico, T. D., and J. J. Hellmann.  2009.  Dispersal limitation inferred from an experimental translocation of Lomatium (Apiaceae) species outside their geographic ranges.  Oikos 118: 1783-1792.  Abstract

Richardson, D. M., J. J. Hellmann, J. S. McLachlan, D. F. Sax, M. W. Schwartz, P. Gonzalez, E. J. Brennan, A. Camacho,, T. L. Root, O. E. Sala, S. H. Schneider, D. M. Ashe, J. R. Clark, R. Early, J. R. Etterson, E. D. Fielder, J. L. Gill, B. A. Minteer, S. Polasky, H. D. Safford, A. R. Thompson, and M. Vellend.  2009. Multidimensional evaluation of managed relocation. Proceedings of the National Academy of Sciences 106: 9721-9724.  PDF

Zakharov, E. V., N. F. Lobo, C. Nowak, and J. J. Hellmann.  2009.  Introgression as a likely cause of mtDNA paraphyly in two allopatric skippers (Lepidoptera: Hesperiidae).  Heredity 102: 590-599.  Abstract 

Prior, K. M., J. D. K. Dzurisin, S. L. Pelini, and J. J. Hellmann.  2009.  Biology of larvae and adults of Erynnis propertius at the northern edge of its range.  The Canadian Entomologist 141: 161-171.  Abstract

Pelini, S. L.*, K. M. Prior*, D. J. Parker, J. D.K. Dzurisin, R. L. Lindroth and J. J. Hellmann. 2009. Climate change and temporal and spatial mismatches in insect communities. In Trevor M. Letcher, editor: Climate Change: Observed impacts on Planet Earth. Elsevier, The Netherlands. pp. 215-231. (* = authors contributed equally)

Marsico, T., J. J. Hellmann, and J. Romero-Severson.  2009.  Patterns of seed dispersal and pollen flow in Quercus garryana (Fagaceae) following postglacial climatic changes.  Journal of Biogeography 36: 929-941.  Abstract

Nowak, C., C. M. Brown, and J. J. Hellmann.  2009.  Microsatellite markers for the hybridizing tiger swallowtails, Papilio glaucus and Papilio canadensis, and their applicability to historic specimens and congeneric species. Molecular Ecology Resources 9: 800-803. Abstract

Hellmann, J. J., S. L. Pelini, K. M. Prior, and J. D. K. Dzurisin.  2008.  The response of two butterfly species to climatic variation at the edge of their range and the implications for poleward range shifts. Oecologia 157: 583-592.  Abstract

Hellmann, J. J., J. E. Byers, B. G. Bierwagen, and J. S. Dukes.  2008.  Five potential consequences for invasive species under climate change. Conservation Biology 22: 534-543.  Abstract

Mueller, J. M., and J. J. Hellmann.  2008.  An assessment of invasion risk from assisted migration.  Conservation Biology 22: 562-567.  Abstract

Pyke, C. R., R. Thomas, R. D. Porter, J. J. Hellmann, J. S. Dukes, D. Lodge, and G. Chavarria. 2008. Climate change and invasive species policy: interactions, tensions, and synergies. Conservation Biology 22: 585-592.  Abstract

Zakharov, E. V., and J. J. Hellmann. 2008. Genetic differentiation across a latitudinal gradient in two co-occurring butterfly species: revealing population differences in a context of climate change. Molecular Ecology 71: 289-308.  Abstract

    [Correction to acknowledgements: The authors thank Dr. Art Shapiro and his research group for the dozens of California samples that they provided for this study.]

Hellmann*, J. J., and M. Pineda-Krch*. 2007. Constraints and reinforcement on adaptation under climate change: selection of genetically correlated traits. Biological Conservation 137: 599-609. (*=authors contributed equally)  Abstract

McLachlan, J. S., J. J. Hellmann, and M. W. Schwartz. 2007. A framework for debate of assisted migration in an era of climate change. Conservation Biology 21: 297-302.  Abstract

Hellmann*, J. J., and N. J. Sanders*. 2007. The extent and future of global insect diversity. Issues in Environmental Science and Technology 25: 33-55. (*=authors contributed equally)  PDF

Zakharov, E. V., J. J. Hellmann, J. Romero-Severson. 2007. Microsatellite loci in the Propertius duskywing, Erynnis propertius (Lepidoptera: Hesperiidae), and related species. Molecular Ecology Notes 7: 266-268.  Abstract

Zakharov, E. V., and J. J. Hellmann. 2007. Characterization of 17 polymorphic microsattelite loci in the Anise swallowtail, Papilio zelicaon (Lepidoptera: Papilionidae), and their amplification in related species. Molecular Ecology Notes 7: 144-146.  Abstract

Hughes, J. B., and J. J. Hellmann. 2005. The application of rarefaction techniques to molecular inventories of microbial diversity. Methods in Enzymology 297: 292-308.  Abstract

Hellmann, J. J., S. B. Weiss, A. E. Launer, J. F. McLaughlin, and P. R. Ehrlich. 2004. Structure and dynamics of Edith's checkerspot populations. (Book: On the Wings of Checkerspots: A Model System for Population Biology; Oxford University Press.)

Hanski, I., J. J. Hellmann, C. L. Boggs, and J. F. McLaughlin. 2004. Checkerspots as a model system in population biology. (Book: On the Wings of Checkerspots: A Model System for Population Biology; Oxford University Press)

Hanski, I., P. Ehrlich, M. Nieminen, D. D. Murphy, J. J. Hellmann, C. L. Boggs, and J. F. McLaughlin. 2004. Conservation biology. (Book: On the Wings of Checkerspots: A Model System for Population Biology; Oxford University Press)

Kuussaari, M., S. vanNouhuys, J. J. Hellmann, and M. C. Singer. 2004. Larval biology. (Book: On the Wings of Checkerspots: A Model System for Population Biology; Oxford University Press)

Hellmann, J. J., S. B. Weiss, J. F. McLaughlin, C. L. Boggs, P. R. Ehrlich, A. E. Launer, and D. D. Murphy. 2003. Do hypotheses from short-term studies hold in the long-term? An empirical test. Ecological Entomology 28: 74-84.  Abstract

Hellmann, J. J. 2002. The effect of an environmental change on mobile butterfly larvae and the nutritional quality of their hosts. Journal of Animal Ecology 70: 925-936.  PDF

McLaughlin, J. F.*, J. J. Hellmann*, C. L. Boggs, and P. R. Ehrlich. 2002. Climate change hastens population extinction. Proceedings of the National Academy of Sciences 99: 6070-6074. (*=authors contributed equally)  PDF

Hellmann, J. J. 2002. Butterflies as model systems for understanding and predicting the biological effects of climatic change. Pages 93-126 In Wildlife Responses to Climate Change. Schneider, S. H., and T. L. Root, eds. Island Press, Washington, D.C.

McLaughlin, J. F., J. J. Hellmann, P. R. Ehrlich, and C. L. Boggs. 2002. The route to extinction: population dynamics of a threatened butterfly. Oecologia 132: 538-548.  Abstract

Smith, J. N. M., and J. J. Hellmann. 2002. Population persistence in fragmented landscapes. Trends in Ecology and Evolution 17: 397-399.  Abstract

Hughes, J. B., J. J. Hellmann, T. H. Ricketts, and B. J. M. Bohannan. 2001. Counting the uncountable: statistical approaches to estimating microbial diversity.  Applied and Environmental Microbiology 67: 4399-4406.  Abstract

Heal, G., G. C. Daily, P. R. Ehrlich, J. Salzman, C. L. Boggs, J. J. Hellmann, J. B. Hughes, C. Kremen, and T. H. Ricketts. 2001. Protecting natural capital: ecosystem service districts. Stanford Environmental Law Journal 20: 333-364.  Abstract

Hellmann, J. J., and G. W. Fowler. 1999. Bias, precision, and accuracy of four measures of species richness. Ecological Applications 9: 824-834.  Abstract

Peterson, G., G. A. De Leo, J. J. Hellmann, M. A. Janssen, A. Kinzig, J. R. Malcolm, K. L. O'Brien, S. E. Pope, D. S. Rothman, E. Shevliakova, and R. R. T. Tinch. 1997. Uncertainty, climate change, and adaptive management. Conservation Ecology [online] 1: 4.  Abstract


Associate Professor

Department of Biological Sciences

Jessica Hellmann