Filters: Tags: M1-Mammals (X) > Types: Map Service (X)
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Tags: B5-Caribou,
M1-Changes in Plant and Animal Distributon,
M1-Mammals
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Tags: M1-Mammals
Categories: Data,
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Tags: A1-Forestry,
M1-Ecosystems,
M1-Mammals
Categories: Data,
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Tags: A1-Wildlife,
M1-Changes in Plant and Animal Distributon,
M1-Mammals
The purpose of this report is to summarize the history of human‐bear interactions in the vicinity of the Congdon Creek campground between 1976 and 2013. The goal is to trace the development of the campground as well as an adjacent solid waste landfill and document, to the extent possible, the number and variety of human‐bear interactions that have occurred in the area over the last 37 years. This will serve as useful background information as we proceed with our experimental removal of soapberry bushes in the immediate campground area and will help determine if the number of human‐bear conflicts in the area is affected by removing natural attractants within the campground.
Categories: Data,
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Tags: 1-Yukon,
M1-Mammals
Snowmachines and the alterations made to the landscape from their activity can have profound impacts on the dynamics of wolves (Canis lupus ) and their prey. Snowmachine activity can displace animals and disrupt their activity and movement patterns; conversely, the creation of trails can enable energy-efficient travel by wolves, thereby increasing the likelihood of encountering and successfully capturing prey. High hunting and trapping pressure could exacerbate these effects, particular during critical late-winter periods when animals are most stressed and anthropogenic activity is greatest. With its dense network of trails, the Nelchina Basin in south-central Alaska presented a unique opportunity to assess quantitatively...
We studied the dynamics of a wolf (Canis lupus) population recovering from intensive reduction in the Finlayson Lake area, Yukon, Canada. Within 6 years, numbers increased from 29 wolves, then stabilized at 245. The colonization of vacant territories by young wolf pairs was the primary mechanism of early population recovery. Reproduction and a low dispersal rate increased pack size in later years, and pack splitting allowed dispersing wolves to remain near natal packs. The rate of increase in the wolf population was density-dependent and related to wolf density, but was also related to the dispersal rate. The dispersal rate was density-independent and related to mean pack size and prey biomass: wolf index. The survival...
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Tags: M1-Mammals,
Yukon Territory (Finlayson Lake)
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Tags: M1-Mammals
Categories: Data,
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Tags: M1-Birds,
M1-Mammals
Categories: Data,
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Tags: M1-Mammals
Categories: Data,
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Tags: M1-Mammals
Categories: Data,
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Tags: B5-Moose,
Kanuti National Wildlife Refuge,
M1-Mammals
This report summarizes methods and results for an aerial Dall’s sheep (Ovis dalli dalli) survey conducted in 2008 by the National Park Service Arctic Network Inventory and Monitoring Program, with support from the Alaska Department of Fish and Game, in the northeastern portion of Gates of the Arctic National Park and Preserve, Alaska. This area includes the Itkillik Preserve, where the highest densities of Dall’s sheep in the Park and Preserve have been found, and both subsistence and sport hunting are allowed. Approximately 1905 km2 of delineated habitat were surveyed via small, fixed-wing aircraft from 9-14 July. Sheep groups were counted and classified as lambs, ewe-like sheep (ewes, yearlings and rams with less...
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Tags: M1-Mammals
Evaluation of snow track surveys being used to monitoring distribution and density of wolves on Tetlin National Wildlife Refuge and adjacent areas.
Categories: Data,
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Tags: M1-Mammals
Categories: Data,
Publication;
Types: Citation,
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Tags: M1-Changes in Plant and Animal Distributon,
M1-Mammals
Categories: Data,
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Types: Citation,
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Tags: M1-Fish,
M1-Mammals
Categories: Data,
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Types: Citation,
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Tags: M1-Mammals
Categories: Data,
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Tags: M1-Mammals
Categories: Data,
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Tags: M1-Mammals
Although natal dispersal has received considerable attention from animal ecologists, the causes and consequences of breeding dispersal have remained largely unexplored. We used telemetry, direct observation, and long-term mark-recapture (9 yr) to study breeding dispersal in the North American red squirrel (Tamiasciurus hudsonicus) at Kluane, Yukon, Canada. We recorded the postbreeding behavior (keep the territory, share it with juveniles, or bequeath it to juveniles) of mothers from 485 litters, and monitored the fates of eight cohorts of weaned juveniles (680 individuals). The proportion of mothers that bequeathed their territory to one of their offspring was roughly one-third of that keeping or sharing it. Breeding...
Categories: Data,
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Tags: M1-Mammals,
White River
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