The interactive effects of food and predators on reproduction and overwinter survival of arctic ground squirrels
By T. Karels, Andrea E. Byrom, R. Boonstra, C. Krebs. 2000
117 citations recorded by the source corpus.
Subfields: Ecology, Ecology, Evolution, Behavior and Systematics, Nature and Landscape Conservation
View Paper: https://www.semanticscholar.org/paper/bf30c29d5020bf5d34653806ab89f55356df940c
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In Ecology
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Citations in the corpus
- Reality as the leading cause of stress: rethinking the impact of chronic stress in nature (2013, background): “In contrast, in more closed environments such as meadows surrounded by boreal forest, predation pays a key role in limiting their populations (Byrom et al. 2000; Karels et al. 2000; Gillis et al. 2005).”
- REPRODUCTION AT ALL COSTS: THE ADAPTIVE STRESS RESPONSE OF MALE ARCTIC GROUND SQUIRRELS (2001, methodology): “First, we determined how the ratio of males to females changed in spring by examining the trapping data collected from a representative year (Hubbs and Boonstra 1997, Byrom et al. 2000, Karels et al. 2000).”
- Seasonal changes in glucocorticoid and testosterone concentrations in free-living arctic ground squirrels from the boreal forest of the Yukon (2001, background): “To understand the sequence of changes in hormone concentrations during the active season of arctic ground squirrels, it is necessary to appreciate the yearly activity and reproductive cycle in the southern Yukon (Lacey 1991; Hubbs and Boonstra 1997; Karels et al. 2000).”
- Predator‐induced stress and the ecology of fear (2013, background): “Karels et al. (2000) similarly experimentally demonstrated that the weaning success of arctic ground squirrels was greater where predators were removed and hence both direct predation and ‘intimidation’ by predators had been eliminated.”
- Why are Arctic ground squirrels more stressed in the boreal forest than in alpine meadows? (2001, background): “In the boreal forest, Arctic ground squirrel populations show cyclic fluctuations positively correlated with the population cycle of the snowshoe hare (Lepus americanus) (Byrom et al., 2000; Hubbs & Boonstra 1997; Karels et al., 2000).”
- Body mass dependent use of hibernation: why not prolong the active season, if they can? (2014, background): “In hibernators, these fat reserves are important for survival and reproduction during spring (e.g. Hackl€ander & Arnold 1999; Millesi et al. 1999; Karels et al. 2000).”
- Relationships between direct predation and risk effects. (2008, background): “Large-scale field experiments with snowshoe hares (Lepusamericanus)[2,38]andarcticgroundsquirrels(Spermophilusparryiiplesius)[ 35 ,36]havecombinedfoodsupplementationandpredatorexclosures(asinWerneretal.’s[34] classic experiments on fish) to show that when combined, food limitation and predation had ”