Seasonal habitat selection of the red deer (Cervus elaphus alxaicus) in the Helan Mountains, China M Zhang, Z Liu, L Teng - Zoologia (Curitiba), 2013

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...  preferred habitats with abundant vegetation coverage to open habitats in winter, but the reverse pattern was observed in summer and autumn. Red deer preferred gentle slopes (<10°) but the use of slope gradient categories varied seasonally. Red deer avoidance of human disturbance in the Helan Mountains varied significantly by season...