Roman Zweifel

Summary

Affiliation: University of Bern
Country: Switzerland

Publications

  1. ncbi Midday stomatal closure in Norway spruce--reactions in the upper and lower crown
    R Zweifel
    Institute of Plant Sciences, University of Bern, Altenbergrain 21, CH 3013 Bern, Switzerland
    Tree Physiol 22:1125-36. 2002
  2. ncbi Modeling tree water deficit from microclimate: an approach to quantifying drought stress
    R Zweifel
    Institute of Plant Sciences, University of Bern, Altenbergrain 21, CH 3013 Bern, Switzerland
    Tree Physiol 25:147-56. 2005
  3. ncbi Intra-annual radial growth and water relations of trees: implications towards a growth mechanism
    Roman Zweifel
    Institute of Plant Sciences, University of Bern, Altenbergrain 21, CH 3013 Bern, Switzerland
    J Exp Bot 57:1445-59. 2006
  4. ncbi Stomatal regulation by microclimate and tree water relations: interpreting ecophysiological field data with a hydraulic plant model
    Roman Zweifel
    Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Forest Ecosystem Processes, Zürcherstrasse 111, CH 8903 Birmensdorf, Switzerland
    J Exp Bot 58:2113-31. 2007
  5. ncbi Persisting soil drought reduces leaf specific conductivity in Scots pine (Pinus sylvestris) and pubescent oak (Quercus pubescens)
    Frank J Sterck
    Forest Ecology and Forest Management Group, Wageningen University, P O Box 47, 6700 AA Wageningen, The Netherlands
    Tree Physiol 28:529-36. 2008

Detail Information

Publications5

  1. ncbi Midday stomatal closure in Norway spruce--reactions in the upper and lower crown
    R Zweifel
    Institute of Plant Sciences, University of Bern, Altenbergrain 21, CH 3013 Bern, Switzerland
    Tree Physiol 22:1125-36. 2002
    ..Further, we hypothesize that both the quantity and quality of light play an important role in the reopening of closed stomata during the day...
  2. ncbi Modeling tree water deficit from microclimate: an approach to quantifying drought stress
    R Zweifel
    Institute of Plant Sciences, University of Bern, Altenbergrain 21, CH 3013 Bern, Switzerland
    Tree Physiol 25:147-56. 2005
    ..abies and Q. pubescens. The model worked well for P. abies at the wet site and for Q. pubescens and P. sylvestris at the dry site, and may be useful for estimating water deficit in other tree species...
  3. ncbi Intra-annual radial growth and water relations of trees: implications towards a growth mechanism
    Roman Zweifel
    Institute of Plant Sciences, University of Bern, Altenbergrain 21, CH 3013 Bern, Switzerland
    J Exp Bot 57:1445-59. 2006
    ..A concept is discussed which links radial growth over a feedback loop to actual tree water-relations and long-term affected C-storage to microclimate...
  4. ncbi Stomatal regulation by microclimate and tree water relations: interpreting ecophysiological field data with a hydraulic plant model
    Roman Zweifel
    Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Forest Ecosystem Processes, Zürcherstrasse 111, CH 8903 Birmensdorf, Switzerland
    J Exp Bot 58:2113-31. 2007
    ....
  5. ncbi Persisting soil drought reduces leaf specific conductivity in Scots pine (Pinus sylvestris) and pubescent oak (Quercus pubescens)
    Frank J Sterck
    Forest Ecology and Forest Management Group, Wageningen University, P O Box 47, 6700 AA Wageningen, The Netherlands
    Tree Physiol 28:529-36. 2008
    ..Dynamic data and a hydraulic plant growth model are needed to test how investments in leaves versus sapwood and roots contribute to transpiration and to maximizing carbon gain throughout entire growth seasons...