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John Horner, Ph.D.
Professor (Retired)
j.horner@tcu.edu817-257-6181WIN 435
Program Affiliations
Education
BS, Louisiana State University, 1979
MS, New Mexico State University, 1983
PhD, New Mexico State University, 1987
Areas of Focus
- Ecology and evolution of carnivorous plants
- Mechanisms of speciation
Courses
- Evolution (Biol 50303)
- Terrestrial Ecosystem Ecology (Biol 50103)
- Behavioral Ecology (Biol 40001/60910)
- Introduction to Scientific Research and Writing (Biol 60131)
I am an evolutionary ecologist with research interests in plant-insect interactions.
One primary focus of my research is the process of speciation. In particular, I have
focused on the role of ecological interactions in speciation with gene flow. I am
also interested in the ecology and evolution of carnivorous plants. My research in
this area has recently focused on prey attraction, pollinator-prey conflict, cost-benefit
analyses of prey capture, direct and indirect effects of herbivory on carnivorous
plants, phenotypic plasticity in response to resource availability, floral herbivory,
pollen limitation, inbreeding depression, and effects of chemicals from smoke on seed
germination.
- Carmickle, R. N. and J. D. Horner. 2019. Impact of the specialist herbivore Exyra semicrocea on the carnivorous plant Sarracenia alata: a field experiment testing the effects of tissue loss and diminished prey capture on plant growth. Plant Ecology 220(6): 553-561. DOI 10.1007/s11258-019-00935-y
- Horner, J. D. Phenology and pollinator-prey conflict in the carnivorous plant, Sarracenia alata. American Midland Naturalist 171: 153-156.
- Horner, J. D., E. Hodcroft, A. Hale, and D. Williams. 2014. Genetic variation, clonality, and origin of isolated western populations of the carnivorous pitcher plant, Sarracenia alata Journal of the Torrey Botanical Society 141: 326-337.
- Horner, J. D., B. J. Płachno, U. Bauer, and B. Di Giusto. 2018. Prey attraction by carnivorous plants. In: A. M. Ellison and L. Adamec (eds.), Carnivorous Plants: Physiology, ecology, and evolution, Oxford University Press, Oxford, p. 157-166. DOI 10.1093/oso/9780198779841.003.0022
- Horner, J. D. and B. Schatz. 2016. Resorption of trap nitrogen during senescence and the benefit of prey capture in the carnivorous plant, Sarracenia alata. Plant Ecology 217(8): 985-991. DOI 10.1007/s11258-016-0623-8.
- Carmickle, R. N. and J. D. Horner. 2017. Turning the tables all over again: The impact of a specialist herbivore on a carnivorous plant. National meeting of the Ecological Society of America, Portland, OR.
- Horner, J. D. 2015. Nitrogen resorption from senescing pitchers and the marginal return of prey capture in the carnivorous plant, Sarracenia alata. Botany 2015 (Botanical Society of America annual meeting). Edmonton, Alberta, Canada.
- Horner, J.D., S.M. Andersson, A. El-Sayed, and D.M. Suckling. 2018. Volatiles of flowers and traps of the carnivorous plant, Sarracenia alata. Ecological Society of America national meeting, New Orleans, LA.
- Winer, Z.M. and J.D. Horner. 2019. Floral herbivory in a carnivorous plant. Ecological Society of America national meeting, Louisville, KY.
- Zsigray, B.M., A.J. Livingston-Anderson, J. Korstian, T.P. Craig, J.K. Itami, D.A. Williams, and J.D. Horner. 2016. Genetic and morphological differentiation among host races of Eurosta solidaginis. Joint meeting of the Society for the Study of Evolution, the American Society of Naturalists, and the Society of Systematic Biologists. Austin, TX.
- Member, Society for the Study of Evolution
- Member, American Society of Naturalists
- Member, Ecological Society of America
- Member, Sigma Xi
- Member, Phi Beta Kappa
- Reviewer of manuscripts: American Journal of Botany, American Midland Naturalist, Biology Letters, Ecological Entomology, Ecology, Environmental Entomology, Entomologia Experimentalis et Applicata, Evolution, Evolutionary Ecology, Forest Ecology and Management, Oecologia, SIDA, Southeastern Naturalist, and Southwestern Naturalist.
Last Updated: November 19, 2024