Dr. Justin Valliere

Assistant CE Specialist
Department of Plant Sciences
One Shields Avenue
1210 Plant and Environmental Sciences Bldg
Davis, CA 95616-8780
(530) 752-9602
jmvalliere@ucdavis.edu Create VCard



Justin Valliere is an Assistant CE Specialist in Invasive Weed and Restoration Ecology. His work aims to develop practical solutions for land management in the face of environmental change. 


Ph.D. Plant Biology, University of California Riverside. 2016
B.A. Biology, Green Mountain College. 2007


Plant Sciences


Invasive Weed & Restoration Ecology


Peer Reviewed

  • Valliere, Justin M.; Irvine, Irina C., et al. (2024). "Nitrogen deposition suppresses ephemeral post-fire plant diversity." Global Change Biology 30(1): e17117.
  • Valliere, Justin M; Nelson, Kekoa C, et al. (2023). "Functional traits and drought strategy predict leaf thermal tolerance." Conservation Physiology 11(1)
  • Valliere, Justin M. (2023). "Plant-soil research empowers students to dig deeper into restoration ecology." Restoration Ecology 31(3): e13837.
  • Nolan, Madeline P.; Luong, Justin C., et al. (2023). "Rethinking local seed sourcing for the restoration of a foundational grass species in California." Restoration Ecology 31(8): e13992.
  • Valliere, Justin M (2022). "Cultivating scientific literacy and a sense of place through courseâ??based urban ecology research." Ecology and Evolution 12(6): e8985.
  • D'Agui, Haylee M; van der Heyde, Mieke E, et al. (2022). "Evaluating biological properties of topsoil for postâ??mining ecological restoration: different assessment methods give different results." Restoration Ecology 30: e13738.
  • Tomlinson, Sean; Tudor, Emily P, et al. (2022). "Leveraging the value of conservation physiology for ecological restoration." Restoration Ecology 30: e13616.
  • Wong, Wei San; Morald, Tim K, et al. (2022). "Microbial inoculation to improve plant performance in mineâ??waste substrates: A test using pigeon pea (Cajanus cajan)." Land Degradation & Development 33(3): 497-511.
  • Valliere, Justin M; Flores, Rhay G, et al. (2022). "Phenological and physiological advantages of invasive annuals are strengthened by nitrogen enrichment." Functional Ecology 36(11): 2819-2832.
  • Valliere, Justin M.; Ruscalleda Alvarez, Jaume, et al. (2022). "Restoration ecophysiology: an ecophysiological approach to improve restoration strategies and outcomes in severely disturbed landscapes." Restoration Ecology 30(S1): e13571.
  • Lison, Christine A.; Cross, Adam T., et al. (2021). "High rock content enhances plant resistance to drought in saline topsoils." Journal of Arid Environments 193: 104589.
  • Valliere, Justin M.; Dâ??Agui, Haylee M., et al. (2021). "Stockpiling disrupts the biological integrity of topsoil for ecological restoration." Plant and Soil
  • Valliere, Justin M; Bucciarelli, Gary M, et al. (2020). "Declines in native forb richness of an imperiled plant community across an anthropogenic nitrogen deposition gradient." Ecosphere 11(2): e03032.
  • Hart, Miranda M; Cross, Adam T, et al. (2020). "Examining assumptions of soil microbial ecology in the monitoring of ecological restoration." Ecological Solutions and Evidence 1(2): e12031.
  • Funk, Jennifer L; Parker, Ingrid M, et al. (2020). "Keys to enhancing the value of invasion ecology research for management." Biological Invasions 22(8): 2431-2445.
  • Valliere, Justin M; Wong, Wei San, et al. (2020). "Preparing for the worst: Utilizing stressâ??tolerant soil microbial communities to aid ecological restoration in the Anthropocene." Ecological Solutions and Evidence 1(2): e12027.
  • Valliere, Justin M; Zhang, Jacqueline, et al. (2019). "Can we condition native plants to increase drought tolerance and improve restoration success?" Ecological Applications 29(3): e01863.
  • Valliere, Justin M (2019). "Effects of defoliation and herbivore exclosures on growth and reproduction of transplanted bunchgrass seedlings." Ecological Restoration 37(4): 213-217.
  • Valliere, Justin M; Escobedo, Evelin B, et al. (2019). "Invasive annuals respond more negatively to drought than native species." New Phytologist 223(3): 1647-1656.
  • Valliere, Justin M; Balch, Susan, et al. (2019). "Repeated mowing to restore remnant native grasslands invaded by nonnative annual grasses: Upsides and downsides above and below ground." Restoration Ecology 27(2): 261-268.
  • Valliere, Justin M (2019). "Tradeoffs between growth rate and water-use efficiency in seedlings of native perennials but not invasive annuals." Plant Ecology 220(3): 361-369.
  • Hilbig, Bridget E; Swanson, Amanda C, et al. (2017). Field guide to the mustards of the Mojave Desert. UCANR Publication 3458. University of California Agirculture and Natural Resources.
  • Valliere, Justin M; Irvine, Irina C, et al. (2017). "High N, dry: experimental nitrogen deposition exacerbates native shrub loss and nonnative plant invasion during extreme drought." Global Change Biology 23(10): 4333-4345.
  • Allen, Edith B; Egerton-Warburton, Louise M, et al. (2016). "Interactions of arbuscular mycorrhizal fungi, critical loads of nitrogen deposition, and shifts from native to invasive species in a southern California shrubland." Botany 94(6): 425-433.
  • Valliere, Justin M; Allen, Edith B (2016). "Interactive effects of nitrogen deposition and drought-stress on plant-soil feedbacks of Artemisia californica seedlings." Plant and Soil 403(1-2): 277-290.
  • Valliere, Justin M; Allen, Edith B (2016). "Nitrogen enrichment contributes to positive responses to soil microbial communities in three invasive plant species." Biological Invasions 18(8): 2349-2364.
  • Valliere, Justin M; Hilbig, Bridget E, et al. (2016). "The Santa Rosa Plateau Habitat Studies and Restoration Program: Working to restore California grasslands through research and education." Grasslands 26(3): 1-3.

ANR Workgroup Associations

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