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Forest Research home > Research themes > Woodland biodiversity > Impacts of large herbivores on woodlands > Deer
Modelling deer population dynamics
To set appropriate cull targets deer managers need to predict the effect of culling on future deer populations. To do this they need firstly to have an estimate of current deer numbers. To predict the population in the following year they need to add the number of young deer likely to be recruited to the population and subtract the number likely to die. We have built a red deer population dynamics model, which runs in Microsoft® Excel®, to help with this process (see graph). 
Also included within the spreadsheet is assistance with: - Setting the initial age structure of the population
- Determining confidence limits around estimates of calf:hind ration
- Determining past population size using cohort analysis.
The model comes with a manual and is available to anyone free of charge. (Forest Research cannot take any responsibility for decisions made as a result of model output). For further informationRelated publications ContactDr Helen Armstrong
Ecology Division
Forest Research
Northern Research Station
Roslin
Midlothian EH25 9SY Tel: +44 (0)131 445 6954
Fax: +44 (0)131 445 7335
Email: helen.armstrong@forestry.gsi.gov.uk
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