College of Agriculture and Bioresources

Research Area(s)

  • Grassland and forest ecology
  • Seed and seedbed ecology
  • Oilsands reclamation


Plant Sciences


  • Ph.D., University of Saskatchewan
  • M.Sc., Northeast Normal University, China
  • B.Sc., Peking University, China

Selected Publications

Palit, R., Bai, Y., Romo, J., Coulman, B., and Warren, R.  2017.  Seed production in Festuca hallii is regulated by long term temperature and precipitation patterns.  Rangeland Ecology and Management, 70(2): 238-243.

Ren, L., Bai, Y., and Reaney, M.  2017.  Evidence of different compounds in smoke derived from legumes and grasses acting on seed germination and seedling emergence.  Seed Science Research, 27(2): 154-164.

Ren, L. and Bai, Y.  2017.  Burning modifies composition of emergent seedlings in Fescue Prairie.  Rangeland Ecology and Management, 70(2): 230-237.

Zhang, Z., Tian, X., Bai, Y., Liu, H., Niu, X., Wang, Z., and Wang, Q.  2016.  Field sandbur (Cenchrus pauciflorus) seeds in the same bur respond differently to temperature and water potential in relation to germination in a semi-arid environment, China. PLoS ONE, 11(12): e0168394.

Abu, Y., Romo, J.T., Bai, Y., and Coulman, B. 2016. Priming seeds in aqueous smoke solutions to improve seed germination and biomass production of perennial forage species.  Canadian Journal of Plant Science, 96(4): 551-563 

Ren, L. and Bai, Y.  2016. Smoke originated from different plants has various effects on germination and seedling growth of species in Fescue Prairie. Botany, 94(12): 1141-1150.

Ren, L. and Bai, Y.  2016.  Smoke and ash effects on seedling emergence from germinable soil seed bank in Fescue Prairie. Rangeland Ecology and Management, 69(6): 499-507.

Palit, R., Bai, Y., Romo, J., Coulman, B., and St Pierre, R.  2015.  Variations in vernalization requirements among ecotypes of Festuca hallii. Grass and Forage Science, 70(2): 353-364. 

Liu, J., Bai, Y., Lamb, E.G., Simpson, D., Liu, G., Wei, Y., Wang, D., McKenney, D., and Papadopol, P.  2013.  Patterns of cross-continental variation in tree seed mass in the Canadian Boreal Forest.  PLoS ONE, 8(4): e61060. 

Braun, M., Bai, Y., McConkey, B., Farrell, R., Romo, J.T., and Pennock, D.  2013.  Greenhouse gas flux in a temperate grassland as affected by landform and disturbance.  Landscape Ecology, 28(4): 709-723.


  • PLSC213 Principles of Plant Ecology
  • PLSC425 Forest Ecology
  • PLSC812 Physiological Plant Ecology