Professor, SUNY Geneseo, 2009 - present.
Spencer J. Roemer Professor, 2008 - 2011.
Associate Professor, SUNY Geneseo, 2004-2009.
Assistant Professor, SUNY Geneseo, 1998-2004.
Postdoctoral Research, Princeton University, 1995 - 1998. Mentor: Simon A. Levin.
Ph.D., Biology, Syracuse University, 1995. Mentor: Samuel J. McNaughton.
M.A., Zoology, Connecticut College, 1987. Mentors: Robert A. Askins and William A. Niering.
B.A., Environmental Science, Connecticut College, 1984.
Noah Dukler, Chris Leary, Gregg Hartvigsen. 201x. Modeling the effect of dynamic behavioral alterations during an epidemic. PLoS Computational Biology. In review.
Hartvigsen, G. 2013. Evolution and biodiversity. Encyclopedia of Biodiversity 2/e. Academic Press.
Hartvigsen, G. 2013. The concept of carrying capacity. Encyclopedia of Biodiversity 2/e. Academic Press.
Guttal, V., F. Bartumeus, G. Hartvigsen, A. Nevai. 2011. Retention time variability as a mechanism for animal mediated long distance dispersal. PLoS One 6(12): e28447.
Hartvigsen, G. 2011. Using R to Build and Assess Network Models in Biology. Mathematical Modeling of Natural Phenomena. Vol. 6(6): 61-75. [pdf]
Leary, C.C., D.A. Ruppe, and G. Hartvigsen. 2010. Fractals, average distance and the Cantor set. Fractals 18(3): 327-341.
Dresch, J.M., N. C. Hansen, G. Hartvigsen, C.C. Leary, and A.J. Macula. 2007. Component Averages of subgraphs in Circulant -like Graphs. Bulletin of the Institute for Combinatorics and its Application 51: 55-68.
Hartvigsen, G., J.M. Dresch, A.L. Zielinski, A.J. Macula, and C.C. Leary. 2007. Network structure and vaccination strategy and effort interact to affect the dynamics of influenza epidemics. Journal of Theoretical Biology, 246(2): 205-213.
Hartvigsen, G. 2005. Range limits. Encyclopedia of Life Sciences, Nature Publishing Group.[abstract]
Hartvigsen, G. 2002. Predation (including parasites and disease) and herbivory. Encyclopedia of Life Sciences, Nature Publishing Group. [abstract]
Hartvigsen, G. 2001. Evolution and biodiversity. In Encyclopedia of Biodiversity. Academic Press. Volume 1, pp 393-401. [abstract]
Hartvigsen, G. 2001. The concept of carrying capacity. Encyclopedia of Biodiversity. Academic Press. Volume 1, pp 641-649. [abstract]
Hartvigsen, G., L. Worden, and S.A. Levin. 2000. Global cooperation achieved through small behavioral changes among strangers. Complexity 5(3): 14-19. [abstract] [pdf
Hartvigsen, G. 2000. Competition between co-dominant plants of the Serengeti Plains depends on competitor identity, water, and urine. Plant Ecology 148: 31-41. [abstract] [pdf]
Hartvigsen, G. 2000. The analysis of leaf shape using fractal geometry. The American Biology Teacher. 62(9): 664-669. [abstract] [pdf]
Hartvigsen, G., A. Kinzig, and G. Peterson. 1998. The use and analysis of complex adaptive systems in ecosystem science. Ecosystems 1: 427-430. [abstract] [pdf]
Hartvigsen, G., and S.A. Levin. 1997. Evolution and spatial structure interact to influence plant-herbivore population and community dynamics. Proceedings R. Soc. Lond. B. 264: 1677-1685. [abstract] [pdf]
Bolker, B., D. Deutschman, G. Hartvigsen, and D. Smith. 1997. Individual-based models: what is the difference? Trends in Ecology and Evolution 12(3): 111. [pdf]
Hartvigsen, G., & S.J. McNaughton. 1995. Tradeoff between height and relative growth rate in a dominant grass from the Serengeti ecosystem. Oecologia 102/103: 273-276. [pdf]
Hartvigsen, G., D.A. Wait, and J.S. Coleman. 1995. Tri-trophic interactions influenced by resource availability: Predator effects on plant performance depend on plant resources. Oikos 74: 463-468. [abstract] [pdf]
Yost, S., S. Antenen, & G. Hartvigsen. 1991. The vegetation of the Wave Hill natural area, Bronx, New York. Bulletin of the Torrey Botanical Club 118(3): 312-325. [pdf]
Hartvigsen, G. 2013. Taking flight with biostatistics using R. (under contract with Columbia University Press)
Hartvigsen, G. 2010. Using R to explore ecological principles. Ecology 91(4): 1247-1248. [Book review of Stevens, M. Henry H. 2009. A primer of ecology with R. Use R! Springer, New York. 401 p.] [pdf]
Hartvigsen, G. 2009. Living Graphs, 2e. Online supplemental text to R. Ricklefs' Economy of Nature, W.H. Freeman Press.
Hartvigsen, G. 2001. Living Graphs. Online supplemental text to R. Ricklefs' Economy of Nature, W.H. Freeman Press.
McKernan, P., and G. Hartvigsen. 2001. The territory distribution of breeding songbirds in the Roemer Arboretum, Geneseo, New York. SUNY Geneseo Journal of Science and Mathematics. 2: 7-18. [pdf]
Hartvigsen, G., and I. Bosch. 2000. Human activities are turning up the temperature in the Earth's climate. Rochester's Democrat and Chronicle (essay in newspaper). December 7. [pdf]
Hartvigsen, G. 2000. A Journal is born. SUNY Geneseo Journal of Science and Mathematics 1(1): 1-2. [pdf]
Hartvigsen, G. 2000. A gentle introduction to the rigors of theoretical ecology. Ecology 81(9) 2644-2645. (Book review of Case, T. 2000. An Illustrated Guide to Theoretical Ecology.)
Hartvigsen, G. 2000. Exploring the essentials of ecology. Ecology 81(8): 2355-2356. (Book review of Townshend, Harper, and Begon. 2000. Essentials of Ecology.)
Hartvigsen, G. 1997. Book review of Hanski, I., & M. Gilpin. 1996. Metapopulation Biology. Bulletin of Mathematical Biology 59(5): 1016-1019.
Hartvigsen, G. 1997. Coupling Ecology with Population Biology. Book review of Guttierrez, A.P. 1996. Applied Population Ecology: A Supply-Demand Approach. Ecology 78(2): 642-643.
Hartvigsen, G. 1995. Competitive interactions between two plant species of the Serengeti. Ph.D. Dissertation. Syracuse University. 240 pp.
Antenen, S., S. Yost, & G. Hartvigsen. 1989. Porcelainberry (Ampelopsis brevipedunculata): a vine to watch. Restoration & Management Notes. 7(1): 44.
Hartvigsen, G. 1988-1989. Index to American Botanical Literature. Bulletin of the Torrey Botanical Club. Published Quarterly.
Principles of Ecology (Biology 203). Course on general principles of ecology. Multiple sections each year since joining faculty.
Modeling Biological Systems (Biology 340/Mathematics 340). Understanding biological systems through models. Team-taught with Dr. Chris Leary, Department of Mathematics. Spring semesters.
Research Techniques in Biology: Modeling (Biology 220). A course introducing newbies to modeling using R. Spring 2013.
Biological Data Analysis (Biology 250). A course designed to help students understand and analyze biological data. Fall Semesters.
Population and Community Ecology (Biology 303). An in-depth, hands on approach to classic and current ideas in population and community ecology.
Why People Believe Weird Things (Freshman Seminar). Fall 2000 (with Jeff Over in Geology), 2001, and 2002 (twice), and spring 2003.
“Introduction to Ecology” (200-level). Developed and taught general ecology course for non-major freshmen. Designed field laboratory to predict community development using quantitative analysis of seedling recruitment and canopy dominance.
“You and the Environment - An Introduction to Environmental Science” (200-level). Developed and taught course focusing on human-environment interface. Course was structured around lectures, student presentations, computer labs, and field exercises.
“Biology of Organisms Laboratory” (200-level). Taught quantitative animal physiology laboratory. To broaden curriculum I contributed a laboratory testing within-plant differences in leaf shape using fractal geometry.
Founder and Manager of the SUNY Geneseo/Genesee Valley Conservancy Research Reserve (appointed by President Dahl, May 2000-present).
Other College-Wide Committees: Geneseo Sustainability Committeeand chair of Immediate Impacts Subcommittee (2007-present), Pandemic Influenza Planning Committee (2006-present), Geneseo Board of Directors (2004-2005), College Council (2004-2005), Search Committee for VP of College Advancement (2005), College Budget Allocation Committee (2004-2006), Facilities Services User Advisory Group (2001-present), SUNY Geneseo Landscape Master Plan Committee (2003-2004), Middle States Association of Colleges and Schools Accreditation Committee for SUNY Geneseo, Faculty Representative for Instructional Resources (1999-2001).
Lead-organizer and editor for a special section on "Complex Adaptive Systems" for the journal Ecosystems 1: 427-463, Fall 1998.
Organizer for the Sloan Foundation workshop "Ecology and Evolution of Biodiversity," held at Princeton University, November, 1997.
Reviewer for NSF programs: Ecology and Evolutionary Physiology Program, Biocomplexity Initiative, and Ecological Studies.
Reviewer for Journal of Theoretical Biology, Ecology, Oecologia, Vegetatio/Plant Ecology, Biological Conservation, Journal of Vegetation Science, Proceedings of the Royal Society of London Series B., and the Philosophical Transactions of the Royal Society.
Computer Cartographer/GIS Manager 1990 Wells National Estuarine Research Reserve, Wells, Maine National Oceanic and Atmospheric Administration’s Long-Term Research Reserve Developed computerized map of Reserve, wrote technical manual for support staff.
Forest/Restoration Ecologist 1987 - 1989 Wave Hill Center for Environmental Studies, Bronx, NY Developed flora, designed & conducted extensive vegetation survey and analysis, led nature walks, supervised high school students, advised a Connecticut College intern in a dendrochronology forest reconstruction project.
Forest Manager 1986 - 1987 Thames Science Center, New London, CT. On-site manager of Mystic’s historic Peace Sanctuary and Nature Conservancy Preserve, led organized nature walks through Preserve.
Street Musician and Bar "Live" Musician (intermittent; currently performing pro bono for children's classes and to help kids go to sleep). 1979- 1987.
Colin Kremer, Chris Leary, Gary Towsley, and Gregg Hartvigsen. Chaotic Population Dynamics in a Small-World Network Model. Ecological Society of America Annual Meeting. San Jose, CA. VOLTERRA PRIZE WINNER for Best Student Oral Presentation in Theoretical Ecology. August 7, 2007.
Colin Kremer, Chris Leary, Gary Towsley, and Gregg Hartvigsen. Chaotic Dynamics Lost in Small-World Network Metapopulations, Frontiers in Applied and Computational Mathematics, New Jersey Institute of Technology, May 14, 2007
Rachel Van Cott, Kate Huggler, Ellen Schmidt, Chris Leary, and Gregg Hartvigsen. The network structure of a college student population influences the dynamics of influenza epidemics. DIMACS Workshop on Models of Co-Evolution of Hosts and Pathogens. DIMACS Center, CoRE Building, Rutgers University. October 9 - 11, 2006.
Colin Kremer, Chris Leary, Gary Towsley, and Gregg Hartvigsen. Chaotic Population Dynamics in a Small-World Network Model. Joint Mathematical Meetings of the AMS/MAA New Orleans, LA. PRIZE WINNER. January 12, 2007.
Amy Zielinski, Jacqueline Dresch, Chris Leary, and Gregg Hartvigsen. Testing vaccination strategies in a small-world network. International Meeting of the Society for Mathematical Biology. Dresden, Germany. July 18-22, 2005.
Katie Button, Michelle Amsler, Chris Leary, and Gregg Hartvigsen. Analyzing network structural effects on influenza dynamics. International meeting of the Society for Mathematical Biology. Ann Arbor, MI. June 2004.
Amy Zielinski, Jacqueline Dresch, Chris Leary, and Gregg Hartvigsen. Examining vaccination strategies in a small-world network. International Meeting of the Society for Mathematical Biology. Ann Arbor, MI. June 2004.
Shuya Kyu and Gregg Hartvigsen. Modeling plant-herbivore evolutionary rates using a graph theoretical approach. International Meeting of the Society for Mathematical Biology. Ann Arbor, MI. June 2004.
Modeling influenza on small-world networks. University of Nebraska, Department of Mathematics, Oct. 18, 2006.
Modeling the dynamics of influenza on a small-world network. SUNY Geneseo Biology Dept., Feb. 25, 2005.
The dynamics of a pathogen and its control in a realistic, spatially structured host population. Conference Celebrating the Scientific and Educational Legacy of Samual J. McNaughton. Syracuse University. December 11, 2004.
Quasi-chaotic dynamics in a family of logistic curves. Ecological Society of America's annual meeting, Savannah, GA. August 2003.
Juggling life. Academic Awards Ceremony Keynote Address. Margaretville Central School, NY. June 9, 2003.
Assessing the structure and dynamics of plant communities. Invited Seminar, Rochester Institute of Technology. March 18, 2003.
The Integration of Math and Biology in the Undergraduate Curriculum. Howard Hughes Medical Institute Program Directors Meeting. October 29, 2002.
Plant-herbivore dynamics in a spatially-explicit, agent-based model. Invited Seminar, Icosystems, Boston, MA. August 2002.
Cooperation in a spatial model. Ecological Society of America's annual meeting, Tucson, AZ. August 2002.
Ecological dynamics: can we blame it on the neighbors? Invited Seminar, Bard College. February 11, 2002.
An equation's stay of execution: the data say die! SUNY Geneseo Mathematics and Biology Seminar. October 19, 2001.
Using fractal geometry to estimate forest canopy structure. Ecological Society of America's annual meeting. August 2001.
Interactive teaching: SmartBoards and Dynamic Websites. Conference on Instructional Technology. May 2001.
Integrating ecology, mathematics, and computer science: a match made in silico. Invited Seminar, Department of Computer Science, State University of New York, Geneseo. September 9, 1999
Modelling the effect of evolution on population and community dynamics. Invited Seminar, Institute for Mathematics and Its Applications, University of Minnesota, April 20, 1999.
Modeling artificial life. Invited Seminar, Department of Computer Science, State University of New York, Geneseo. March 18, 1999.
How does evolution influence population and community dynamics? Invited Seminar, Syracuse University Biology Department. March 12, 1999.
A simple model of cooperation. Invited Seminar, Department of Philosophy, State University of New York, Geneseo. February 4, 1999.
An approach to using the web and presentation software for teaching ecology. Department of Biology, State University of New York, Geneseo. October 30, 1998.
Modeling cooperation. Department of Biology, State University of New York, Geneseo. September 19, 1998.
Does variability in plant functional morphology influence plant community development? Invited Seminar: SUNY Geneseo, March, 1998.
Community dynamics influenced by spatial interactions among organisms and species evolution: results from a virtual entangled bank. Ecological Society of America Annual Meeting, Providence, RI. (with Simon Levin) August, 1996.
Predicting plant competitive ability and other matters of consequence. Invited Seminar: Biology Department, Middlebury College. April 1996.
Developing individual-based evolutionary models in ecology. Invited seminar: Computer Science Department, University of New Mexico. January, 1996.
Competitive interactions between two plant species of the Serengeti. Syracuse University Biology Department. April 24, 1995. Ph.D. Defense Seminar.
Simulating plant-herbivore coevolution using genetic algorithms: a spatially- and genetically-explicit model. Invited seminar: Spatial Stochastic Models in Biology Conference, University of Colorado Mathematics Department, Colorado Springs, Colo. (with W.T. Starmer) May, 1994.
This is a lie: an evolutionary poke at the prisoner’s dilemma. Syracuse University Biology Departmental Seminar. February, 1994.
Simulating plant-herbivore coevolution using genetic algorithms: a spatially and genetically explicit model. Invited seminar: Connecticut College Biology Seminar Series. October, 1993.