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TIGER IV.1 is a consortium of UK research groups which is concerned with the
physiological responses of key UK native species to climate change, and in particular
rising [CO2]. Central to this has been an understanding of how photosynthesis (University
of Essex), stomatal function (University of Lancaster), partitioning and respiration
(University of Wales, Bangor) are affected by rising [CO2] and its interactions with
temperature and N-supply. As part of the recently announced extensions to TIGER IV the
three groups are collaborating in the development of the mechanistically-rich cell to
canopy model - WIMOVAC (Humphries & Long, 1995) which operates in the WINDOWS
environment. A new version of WIMOVAC, IV.1, is currently being created by replacing
its empirical carbon partitioning and stomatal response sub-models with more mechanistic
models developed within this consortium (Minchin, Thorpe & Farrar, 1993; Tardieu &
Davies, 1993). WIMOVAC is currently in the process of being parameterised to simulate both
plant and stand growth gas exchanges relative to experiments conducted in the first phase
of TIGER IV.1 research.
University of Wales, UK
 | Team Leader: Prof. John Farrar |
| Assistants: Dr. Sheila Gunn |
University of Lancashire, UK
| Team Leader: Prof. Bill Davies |
| Assistants: Dr. Andrew Jarvis |
| Assistants: Dr. Mark Pearson |
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