In the interior of British Columbia, Douglas-fir litterfall is a major source of mule deer winter food. Dawson et al. (1990) found that preference for Douglas-fir foliage was correlated with tree diameter. This study set out to identify the underlying ultimate factors of selection so that wildlife managers might have a wider range of forage enhancement options on mule deer winter range. Such options include, for example, planting, thinning, or fertilizing trees to improve palatability.
Waterhouse, M.J., Dawson, R.J.; Armleder, H.M.. 1991. Chemical composition of douglas-fir foliage on mule deer winter range. British Columbia Ministry of Forests, Lands, Natural Resource Operations and Rural Development. Research Report (FLNRORD)
Topic: FLNRORD Research Program
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