Correspondingly, for the more relaxed 30 % threshold value, the preference was not as strong, but still clearly significant (87,340 reindeer positions, that is, (87,340/188,942)*100 = 46.2 %, and 2.6 times more than expected by proportionate use (33,976 positions expected; Odds Ratio = 3.92 (95% CI 3.8628–3.9791, p < .0001)).
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Optimal foraging by a large ungulate in an extreme environment: Wild mountain reindeer select snow-free feeding habitats in winter.
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