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Pathogens, Nutritional Deficiency, and Climate Influences on a Declining Moose Population
TLDR
Analysis of protein content in moose browse and fecal samples indicated that food quality was probably adequate to support moose over winter, but the higher fecal protein among animals that died in the subsequent 18 months could be indicative of protein catabolism associated with malnutrition, which may have contributed to moose mortality.
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Ecology of wolves in relation to a migratory Caribou Herd in northwest Alaska
There is a paucity of data concerning wolf (Canis lupus) demography, movement patterns, and predation characteristics in relation to migratory caribou (Rangifer tarandus granti). Consequently, during…
Deer-predator relationships: a review of recent North American studies with emphasis on mule and black-tailed deer
TLDR
A review of published studies concerning predator-deer relationships suggests that predation by coyotes, mountain lions, or wolves may be a significant mortality factor in some areas under certain conditions.
Viewpoint: benefits and impacts of wildlife water developments.
Resource managers in the western United States have long assumed that water was a key limiting factor on wildlife populations in arid habitats. Beginning in the 1940s-1950s, state and federal…
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Predation and survival of white-tailed deer fawns in northcentral New Brunswick
TLDR
The hypothesis that coyotes have replaced gray wolves (Canis lupus) in northeastern North America is supported, with survival and mortality rates being comparable between New Brunswick and other areas where wolves and coyotes are sympatric.
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Evaluation of Fecal DNA Preservation Techniques and Effects of Sample Age and Diet on Genotyping Success
TLDR
Analysis of DNA degradation rates revealed that samples collected as early as 5 days of age yielded DNA that was highly degraded relative to samples collected on day 1, suggesting that the optimal preservation technique depended on the food remains comprising the scat.
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Brown and black bear density estimation in Alaska using radiotelemetry and replicated mark-resight techniques
Accurate density and population estimates are needed to manage bear populations but are difficult to obtain. Most such estimates reported for bears are largely subjective and lack estimates of…
Population dynamics of moose in South-central Alaska
Causes of neonatal moose calf mortality in south-central Alaska.
TLDR
During spring 1977 and 1978, 136 moose calves were radio-collared in the Nelchina and Susitna river basins of south central Alaska in an effort to determine causes of mortality, which indicated that collaring did not predispose the calves to predation.
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SURVIVAL OF FEMALE ELK IN NORTHERN ARIZONA
TLDR
Elk survival rates in northern Arizona are representative of an expanding elk population with few limiting factors, and the data provides baseline information for Mexican wolf reintroductions.
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