Selected Microbial Agents in Snowshoe Hares and Other Vertebrates of Alberta
نویسندگان
چکیده
منابع مشابه
Of lemmings and snowshoe hares: the ecology of northern Canada.
Two population oscillations dominate terrestrial community dynamics in northern Canada. In the boreal forest, the snowshoe hare (Lepus americanus) fluctuates in cycles with an 8-10 year periodicity and in tundra regions lemmings typically fluctuate in cycles with a 3-4 year periodicity. I review 60 years of research that has uncovered many of the causes of these population cycles, outline areas...
متن کاملWhat Drives the 10-year Cycle of Snowshoe Hares?
in northern Ontario wrote to the head office in London. The local Ojibway Indians were starving, he reported, because of a scarcity of “rabbits,” and they were unable to trap for furs because they spent all their time fishing for food (Winterhalder 1980). These shortages of so-called rabbits, which apparently occurred approximately every 10 years, are regularly mentioned in Canadian historical ...
متن کاملWhat Drives the 10-year Cycle of Snowshoe Hares?
in northern Ontario wrote to the head office in London. The local Ojibway Indians were starving, he reported, because of a scarcity of “rabbits,” and they were unable to trap for furs because they spent all their time fishing for food (Winterhalder 1980). These shortages of so-called rabbits, which apparently occurred approximately every 10 years, are regularly mentioned in Canadian historical ...
متن کاملAvoiding and escaping predators: Movement tortuosity of snowshoe hares in risky habitats
Prey animals use different strategies to avoid detection by predators and to flee once detected. Key issues are what aspects of movement prey change in response to predation risk and how differences in habitat affect escape movements. We answer these questions for snowshoe hares (Lepus americanus) in Montana, using an experimental manipulation and habitats for which annual mortality rates varie...
متن کاملMovements, activity patterns, and habitat use of snowshoe hares (Lepus americanus) in interior Alaska
Snowshoe hares (Lepus americanus) are generally sedentary, but are likely to move among habitats frequently to gain access to spatially segregated food and cover. We investigated movement patterns of hares from 2 characteristic boreal habitats using very-high-frequency radio collars (n 1⁄4 300) monitored weekly and global positioning system (GPS) collars (n 1⁄4 18) programmed to record location...
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ژورنال
عنوان ژورنال: Journal of Wildlife Diseases
سال: 1970
ISSN: 0090-3558
DOI: 10.7589/0090-3558-6.4.472