Study

Pronghorn use of recently burned mixed prairie in Alberta

  • Published source details Courtney R.F. (1989) Pronghorn use of recently burned mixed prairie in Alberta. Journal of Wildlife Management, 53, 302-305.

Actions

This study is summarised as evidence for the following.

Action Category

Use prescribed burning

Action Link
Terrestrial Mammal Conservation
  1. Use prescribed burning

    A site comparison study in 1985–1986 of prairie in Alberta, USA (Courtney 1988) found that pronghorn antelope Antilocapra americana made greater use of burned areas, relative to their availability, than of unburned areas in five of the 12 months surveyed. The number of pronghorn groups on burned areas was greater than expected in September, October, November, January and April. During these months, 5–22 pronghorn groups were found on burned areas, from totals of 38–97 pronghorn groups overall. If no preference was shown for or against burned ground, 5% of groups would be expected on it. Pronghorns especially favoured burns containing pricklypear cactus Opuntia polyacantha. Areas were burned in July–August 1985. Pronghorn were surveyed monthly, from July 1985 to June 1986. Groups <1 km away were mapped along a 138-km route, travelled by vehicle at <50 km/hour.

    (Summarised by: Nick Littlewood)

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