Uwe Hacke, PhD

Professor (Functional Plant Biology), Faculty of Agricultural, Life and Environmental Sci - Renewable Resources Dept

Contact

Professor (Functional Plant Biology), Faculty of Agricultural, Life and Environmental Sci - Renewable Resources Dept
Email
uwe.hacke@ualberta.ca
Phone
(780) 492-8511
Address
251A Earth Sciences Building
11223 Saskatchewan Drive NW
Edmonton AB
T6G 2E3

Overview

About

Job/Research Area

Plant Biology

Major Responsibilities:

I am currently serving as Graduate Program Coordinator in the Department of Renewable Resources.

Awards
  • David J. Gifford Award in Tree Biology from the Canadian Society of Plant Biologists (2017)
  • CD Nelson Award for outstanding research contributions to plant biology, Canadian Society of Plant Biologists (2013)
  • Faculty of Agricultural, Life & Environmental Sciences - Teacher of the Year (2008)
  • Tier 2 Canada Research Chair in Tree-Water Relations (2007-2016)

Research

Research Interests:

I study trees, water, and vascular transport. Trees provide us with oxygen, habitat for birds and other animals, shelter, and wood products. Water is the molecule of life; as such it plays an active role in a myriad of processes on the cellular and organism level. Vascular transport distributes water and other molecules across the plant body.


In contrast to the human cardiovascular system, trees need to maintain their transport systems over decades and centuries, time scales that may greatly surpass human life spans. Such transport systems must cope with environmental changes and adjust to the growth of the organism over time.

I ask: How do these transport systems function? How do drought, frost, and insects affect transport? How are transport processes influenced by rising temperatures and concomitant changes in climate?

Research keywords:
  • xylem/wood
  • drought
  • tree rings
  • aquaporins
  • phloem
  • frost
  • plant abiotic stress
  • climate change

Teaching

I teach courses on Introductory Plant Science and Graduate Research Skills.

Courses

PL SC 221 - Introduction to Plant Science

Principles of plant science for use in agriculture, forestry and environmental sciences. Emphasis on vascular plants in an applied context. Topics include: plant structure and function; reproduction and development; and diversity and management of vegetation and crops. Not to be taken if credit received for BOT 205. [Offered jointly by the Departments of Agricultural, Food and Nutritional Science and Renewable Resources].

Fall Term 2021
REN R 603 - Graduate Research Skills

Prepares graduate students to function in a research environment. Focuses on the development of communication and presentation skills, the publication process, and proposal preparation. The grade is credit/no credit.

Fall Term 2021
REN R 604 - Graduate Research Seminar

Prepares graduate students to function in a research environment. Focus is applied communication of research. All students are required to present a seminar, present a research poster, and critique a seminar. Attendance at the seminars and poster session is required. If possible, REN R 604 should not be taken until the student has some research results to present. The grade is credit/no credit.

Winter Term 2022

Browse more courses taught by Uwe Hacke

Publications

Computational models evaluating the impact of sieve plates and radial water exchange on phloem pressure gradients
Author(s): R.C. Stanfield, P.J. Schulte, K.E. Randolph, U.G. Hacke
Publication Date: 2019
Publication: Plant, Cell & Environment

Functional xylem anatomy of aspen exhibits greater change due to insect defoliation than to drought
Author(s): R.M. Hillabrand, V.J. Lieffers, E.H. Hogg, E. Martínez-Sancho, A. Menzel, U.G. Hacke
Publication Date: 2019
Publication: Tree Physiology

Survival, growth and cold hardiness tradeoffs in white spruce populations: implications for assisted migration
Author(s): J. Sebastian-Azcona, A. Hamann, U. Hacke, D. Rweyongeza
Publication Date: 2019
Publication: Forest Ecology and Management

An ecophysiological and developmental perspective on variation in vessel diameter
Author(s): U.G. Hacke, R. Spicer, S.G. Schreiber, L. Plavcová
Publication Date: 2017
Publication: Plant, Cell & Environment
Volume: 40
Page Numbers: 831–845

Plant xylem hydraulics: what we understand, current research, and future challenges
Author(s): M.D. Venturas, J.S. Sperry, U.G. Hacke
Publication Date: 2017
Publication: Journal of Integrative Plant Biology
Volume: 59
Page Numbers: 356–389

Pit membrane structure is highly variable and accounts for a major resistance to water flow through tracheid pits in stems and roots of two boreal conifer species
Author(s): P.J. Schulte, U.G. Hacke, A.L. Schoonmaker
Publication Date: 2015
Publication: New Phytologist

The hydraulic architecture of conifers
Author(s): U.G. Hacke, B. Lachenbruch, J. Pittermann, S. Mayr, J.-C. Domec, P.J. Schulte
Publication Date: 2015
Publication: Functional and Ecological Xylem Anatomy
Page Numbers: 39-75

The hydraulic architecture of Populus
Author(s): U.G. Hacke
Publication Date: 2015
Publication: Functional and Ecological Xylem Anatomy
Page Numbers: 103-131

The standard centrifuge method accurately measures vulnerability curves of long-vesselled olive stems
Author(s): U.G. Hacke, M.D. Venturas, E.D. MacKinnon, A.L. Jacobsen, J.S. Sperry, R. B. Pratt
Publication Date: 2015
Publication: New Phytologist
Volume: 205
Page Numbers: 116–127

Variation of xylem vessel diameter in a wide-spread boreal forest tree in western Canada: insights from a large-scale reciprocal transplant experiment
Author(s): S.G. Schreiber, U.G. Hacke, A. Hamann
Publication Date: 2015
Publication: Functional Ecology

Exploring Picea glauca aquaporins in the context of needle water uptake and xylem refilling
Author(s): Exploring Picea glauca aquaporins in the context of needle water uptake and xylem refilling
Publication Date: 2014
Publication: New Phytologist
Volume: 203
Page Numbers: 388–400

Uptake of water via branches helps timberline conifers refill embolized xylem in late winter
Author(s): S. Mayr, P. Schmid, J. Laur, S. Rosner, K. Charra-Vaskou, B. Daemon, U.G. Hacke
Publication Date: 2014
Publication: Plant Physiology
Volume: 164
Page Numbers: 1731–1740

Drought’s Legacy: Multi-year hydraulic deterioration underlies widespread aspen forest die-off and portends increased future risk
Author(s): W.R.L. Anderegg, L. Plavcová, L.D.L. Anderegg, U.G. Hacke, J.A. Berry, C.B. Field
Publication Date: 2013
Publication: Global Change Biology

Frost hardiness vs. growth performance in trembling aspen: an experimental test of assisted migration
Author(s): S.G. Schreiber, C. Ding, A. Hamann, U.G. Hacke, B.R. Thomas, J.S. Brouard
Publication Date: 2013
Publication: Journal of Applied Ecology
Volume: 50
Page Numbers: 939-949

Gene expression patterns underlying changes in xylem structure and function in response to increased nitrogen availability in hybrid poplar
Author(s): L. Plavcová, U.G. Hacke, A.M. Almeida-Rodriguez, E. Li, C.J. Douglas
Publication Date: 2013
Publication: Plant, Cell and Environment
Volume: 36
Page Numbers: 186-199

Genetic variation of hydraulic and wood anatomical traits in hybrid poplar and trembling aspen
Author(s): S.G. Schreiber, U.G. Hacke, A. Hamann, B.R. Thomas
Publication Date: 2011
Publication: New Phytologist
Volume: 190
Page Numbers: 150-160

Heterogeneous distribution of pectin epitopes and calcium in different pit types of four angiosperm species
Author(s): L. Plavcová, U.G. Hacke
Publication Date: 2011
Publication: New Phytologist
Volume: 192
Page Numbers: 885-897

Phenotypic and developmental plasticity of xylem in hybrid poplar saplings subjected to experimental drought, nitrogen fertilization and shading
Author(s): L. Plavcová, U.G. Hacke
Publication: Journal of Experimental Botany
Volume: 63
Page Numbers: 6481-6491

Sixteen years of winter stress: an assessment of cold hardiness, growth performance and survival of hybrid poplar clones at a boreal planting site
Author(s): S.G. Schreiber, A. Hamann, U.G. Hacke, B.R. Thomas
Publication: Plant, Cell and Environment.

Transpirational demand affects aquaporin expression in poplar roots
Author(s): J. Laur, U.G. Hacke
Publication: Journal of Experimental Botany
Volume: 64
Page Numbers: 2283–2293