Elk as Winter-Spring Food for Carnivores in Northern Yellowstone National Park

摘要: The consumption of 759 elk carcasses by the predator-scavenger fauna on northern winter range Yellowstone National Park was monitored during winter-spring 1974-5 and 1975-6. About 70% 503 were entirely eaten in 1974-5, 22% partially eaten, 8% uneaten. Equivalent percentages for 256 1975-6 67, 16 17%. This represented an observed about 35 000 kg (80% that available) 19 (75%) Actual much greater. Elk a major food park's may be especially important periodic severe winters.