Vehicle Collisions Cause Differential Age and Sex-Specific Mortality in Mule Deer [PDF] DD Olson, JA Bissonette

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Vehicle Collisions Cause Differential Age and Sex-Specific Mortality in Mule Deer [PDF] DD Olson, JA Bissonette, PC Cramer, KD Bunnell… - Advances in Ecology, 2014 Utah
... We found that 65% of mule deer involved in vehicle collisions were female; of those, 40% were adult does ≥2 yrs. When we compared the proportion of bucks, does, and fawns killed in vehicle collisions to surveys of live deer, we found that bucks were killed at rate of 2.1–3.0 times their proportion in the population.  Additionally, when we compared vehicle collision rates for 2010 and 2011, we found that mule deer were 7.4–8.7 times more likely to be involved in collisions than elk and 1.2–2.0 times more likely than moose. However, we were unable to detect a negative correlation (𝑃 = 0.55) between mule deer abundance and increasing traffic volume...


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