Dr Heather Hager

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Heather Hager is a senior postdoctoral fellow and invasion ecologist.  She completed her MSc at Guelph with Tom Nudds, PhD at Regina, and a post-doc at University of Nebraska-Lincoln.  In the Newman lab, she recently completed a project examining the invasive potential of grasses planted for biofuel feedstocks, part of which involved collaborators from the Universities of Illinois and Virginia.  She is now leading research to create a rapid risk assessment tool for invasive insects.  Both projects were funded by the Ontario Ministry of Agriculture, Food, and Rural Affairs.  Heather has also worked as a technical editor and science journalist, and teaches a graduate-level conservation biology course in the School of Environmental Sciences.


Selected publications


Hager HA, LD Quinn, JN Barney, TB Voigt, JA Newman. 2015. Seedling emergence and establishment of three bioenergy grasses outside cultivation: a multi-region seed addition experiment. Plant Ecology, in press. http://dx.doi.org/10.1007/s11258-015-0516-2 

Hager HA, R Rupert, LD Quinn, JA Newman. 2015. Escaped Miscanthus sacchariflorus reduces the richness and diversity of vegetation and soil seed bank. Biological Invasions 17(6):1833-1847. http://dx.doi.org/10.1007/s10530-014-0839-2 

Jackiw RN, G Mandil, HA Hager. 2015. A framework to guide the conservation of species hybrids based on ethical and ecological considerations. Conservation Biology 29(4):1040-1051. http://dx.doi.org/10.1111/cobi.12526 

Hager HA, SE Sinasac, Z Gedalof, JA Newman. 2014. Predicting potential global distributions of two Miscanthus grasses: implications for horticulture, biofuel production, and biological invasions. Plos One 9(6): e100032. http://dx.doi.org/10.1371/journal.pone.0100032 

Yakimowski SB, HA Hager, CG Eckert. 2005. Limits and effects of invasion by the non-indigenous plant Lythrum salicaria (purple loosestrife): a seed bank analysis. Biological Invasions 7(4):687-698. http://dx.doi.org/10.1007/s10530-004-5858-y 

Hager HA. 2004. Competitive effect versus competitive response of invasive and native wetland plant species. Oecologia 139(1):140-149. http://dx.doi.org/10.1007/s00442-004-1494-6 

Hager HA, RD Vinebrooke. 2004. Positive relationships between invasive purple loosestrife (Lythrum salicaria) and plant species diversity and abundance in Minnesota wetlands. Canadian Journal of Botany 82(6):763-773. http://dx.doi.org/10.1139/B04-052 

Hager HA, KD McCoy. 1998. The implications of accepting untested hypotheses: a review of the effects of purple loosestrife (Lythrum salicaria) in North America. Biodiversity and Conservation 7(8):1069-1079. http://dx.doi.org/10.1023/A:1008861115557 

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