Long-term changes in the winter home ranges of Japanese monkeys in the Shiga heights
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In the home ranges of the monkeys, the densely utilized food sites (densely utilized sites of food resources ofWada andTokida, 1981) varied over a period of ten years. The Shiga B2 troop changed both its densely utilized food sites and the kinds of tree mostly eaten within the same home range, whereas the Shiga C troop transferred to a new home range. The home range transition of the C troop was influenced by both food deficiencies and the existence of the B2 troop. Based on these facts, it can be said that two types of long-term home range utilization were distinguishable.
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