Campus Directory: Stewart Rood

University of Lethbridge

Stewart Rood
Biological Sciences Department
Office: WE2058 (Alberta Water & Env Science Bldg)
Phone: (403) 329-2327
Fax: (403) 329-2082


B.Sc. (with Distinction) (Physiological Psychology-Biology), Ph.D. (Plant Physiology)


Plant physiology with emphasis on gibberellins, Ecophysiology of river valley cottonwoods, River regulation and restoration

About Me

(present to past)

2009-2012 Killam Research Fellow, Univ. Lethbridge.
2002-present Board of Governors Research Chair in Environmental Science, Univ. Lethbridge
1993-present Professor, Univ. Lethbridge
1991-1994, 1997, 2005-2006 Department Chair, Biological Sciences, Univ. Lethbridge
1996-1997 Inaugural Coordinator, Agricultural Biotechnology Program, Univ. Lethbridge
1994-1996 Inaugural Coordinator, Environmental Science Program, Univ. Lethbridge
1989 (Fall) Royal Society Visiting Research Fellow, Long Ashton Res. Stn. & Univ. Bristol, England
1989 - 1993 Associate Professor, Univ. Lethbridge
1989 - 1994 Adjunct Associate Professor, Univ. Calgary
1988 (Spring) NATO Visiting Research Professor, Univ. Tromso, Norway
1983-1988 NSERC University Research Fellow and Assistant Professor, Univ. Lethbridge
1981-1983 NSERC Post-Doctoral Fellow, Faculty of Forestry, Univ. Toronto
1978-1980 (Summers) Research Assistant - Agriculture Canada


Human Genetics - Biology 2850
Environmental Science - 4000/5000 - River Science

Selected Publications

My research publications are listed in my ResearchGate page. Older and open-access papers are provided there as pdf's and that page also allows personal requests for other recent papers.

130. Rood, S.B.*, S. Bigelow, M.L. Polzin, K.M. Gill and C. Colburn (2015) Biological bank protection: Trees are more effective than grasses at resisting erosion from major river floods. Ecohydrology doi: 10.1002/eco.1544 (in press).
129. Rood, S.B.*, G.W. Stupple and K.M. Gill (2015) Century-long records reveal slight, ecoregion-localized changes in Athabasca River flows. Hydrological Processes doi: 10.1002/hyp.10194.
128. Tiedemann, R.B., S.B. Rood (2015) Flood flow attenuation diminishes cottonwood colonization sites: an experimental test along the Boise River, USA. Ecohydrology (accepted, in press)
127. Springer, A.E.*, L.E. Stevens, J.D. Ledbetter, E.M Schaller, K.M. Gill and S.B. Rood (2015) Echohydrology and stewardship of Alberta springs ecosystems. Ecohydrology doi: 10.1002/eco.1596 (in press).

126. Benjankar, R.*, M. Burke, E. Yager, D. Tonina, G. Egger, S.B. Rood and N. Merz (2014) Development of a spatially-distributed hydroecological model to simulate cottonwood seedling recruitment along rivers. Journal of Environmental Management 145:277-288.
125. Wilding, T.K., J.S. Sanderson*, D.M. Merritt, S.B. Rood and N.L. Poff (2014) Riparian responses to reduced flood flows: comparing and contrasting narrowleaf and broadleaf cottonwoods, Hydrological Sciences Journal 59:605-617.

124. Rood, S.B.*, D.J. Ball, K.M. Gill, S. Kaluthota, M.G. Letts and D.W. Pearce. 2013. Hydrologic linkages between a climate oscillation, river flows, growth and wood ∆13C of male and female cottonwood trees. Plant Cell & Environment.36:984-993.

123. Elias, A.A., V.B. Busov, K.R. Kosola, C. Ma, E. Etherington, O. Shevchenko, H. Gandhi, D.W. Pearce, S.B. Rood and S.H. Strauss*. 2012. Green revolution trees: semidwarfism transgenes modify gibberellins, promote root growth, enhance morphological diversity and reduce competitiveness in hybrid poplar. Plant Physiology 160:1130-1144.

122. Hall, A., S.B. Rood* and P.S. Higgins. 2011. Resizing a river: a downscaled, seasonal flow regime promotes riparian restoration. Restoration Ecology 19:351-359
121. Rood, S.B.*, S.G. Bigelow, and A.A. Hall. 2011. Root architecture of riparian trees: river cut-banks provide natural hydraulic excavation, revealing that cottonwoods are facultative phreatophytes. Trees 25: 907-917
120. Rood, S.B.*, L.A. Goater, K.M. Gill, J.H. Braatne. 2011. Sand and sandbar willow: a feedback loop amplifies environmental sensitivity at the riparian interface. Oecologia 165:31-40.
119. Samuelson, G.M. and S.B. Rood*. 2011.Elevated sensitivity: riparian vegetation in upper mountain zones is especially vulnerable to livestock grazing. Applied Vegetation Science 14:596-606.

In The Media

Medals Honour Faculty Members' Teaching, Research, Scholarship and Performance; Legend; June 2006 Convocation issue.

2006 Ingrid Speaker Medal for Distinguished Research, Scholarship or Performance Recipient; Legend; May 2006.

Flow of Knowledge; 2004 Community Report;

Scientists Dive into Water Management Research; Legend; October 2004.

Record on Research; Legend; November 2003.

The root of the matter; Lethbridge Herald; September 5, 2003.

WISE-related research at the U of L; Legend; December 2001.

Board of Governors Announce Research Chairs; Legend; October 2001.

Research Interests

Plant physiology: photohormones and especially gibberellins; and water relations

Hybridization and physiological adaptation of cottonwoods (riparian poplars)

Ecology of floodplain forests, and impacts from damming and river regulation

Current Research and Creative Activity

TitleLocationGrant InformationPrincipal InvestigatorCo Researchers
Flowing to the Future: Influence of Climate Change on Hydrology and Ecology of Rivers from Alberta’s Rocky Mountains Stewart Rood, University of Lethbridge Bernhard Mayer, University of Calgary; John Post, University of Calgary; Hestor Jiskoot, University of Lethbridge; Stefan Kienzle, University of Lethbridge
Remote Sensing of environmental dynamics in riparian cottonwood forests of Southern Alberta Alberta Ingenuity Centre for Water Research, $240,200, 2006-08.

Derek Peddle, University of Lethbridge Craig Coburn, Stewart Rood, Matthew Letts, University of Lethbridge

Previous Research

TitleGrant AgencyCompletion Date
Adaptive ecophysiology of riparian cottonwoods and hybrid poplars Natural Sciences and Engineering Research Council Discovery Grant (NSERC) 2003-07
Linking Dynamic Process and Ecosystem Integrity: Testing Fundamental Approaches for Instream Flow Requirements in the South Saskatchewan River Basin Alberta Ingenuity Centre for Water Research 2004-05
The Little Bow Gets Bigger: A Novel Opportunity to Analyze River and Riparian Dynamics Alberta Ingenuity Centre for Water Research 2004-05
Highwood/Little Bow Project - Analyses of channel form and riparian vegetation Alberta Transportation 2001-05
Riparian water flux system Natural Sciences and Engineering Research Council Research Tools (NSERC) 2003

Curriculum Vitae


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