Implications of a high-energy and low-protein diet on the body composition, fitness, and competitive abilities of black (Ursus americanus) and grizzly (Ursus arctos) bears

By Bruce N. McLellan. 2011

162 citations recorded by the source corpus.

Subfields: Ecology, Global and Planetary Change

View Paper: https://www.semanticscholar.org/paper/9309ea158d4ef2c4d436b43d00ed3ba9b5359d83

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In Ecology

In Global and Planetary Change

Citations in the corpus

Estimating abundance of the remnant Apennine brown bear population using multiple noninvasive genetic data sources (2015, background): “…the females’ smaller size and lower absolute energy requirements than adult males, they are less constrained by a more frugivorous diet (Welch et al. 1997; Rode and Robbins 2000; McLellan 2011) and are accordingly expected to make a more substantial use of this soft fruit during early hyperphagia.”
Some mechanisms underlying variation in vital rates of grizzly bears on a multiple use landscape (2015, background): “In areas without salmon but where there were sufficient high-quality vegetative foods,McLellan (2011) found bears to be small in stature but relatively fat and at higher densities than where bears focused more on obtaining terrestrial meat.”
Maternal condition determines birth date and growth of newborn bear cubs (2012, background): “Such differences during growth of young bears may have long-term, population-level consequences in that most successful reproduction may be by energetically efficient, large males and fat females and their offspring (Dahle et al. 2006; Kovach and Powell 2003; McLellan 2011).”
Berry production drives bottom – up effects on body mass and reproductive success in an omnivore (2018, background): “To date there is limited information on how climate aff ects omnivores that rely on higher-quality plant forage, such as berries, and for a limited period of time (but see McLellan and Hovey 1995, McLellan 2011, 2015).”
Fast food bears: brown bear diet in a human-dominated landscape with intensive supplemental feeding (2015, background): “…bear reproductive success (Rogers 1976, Blanchard 1987, Beckmann and Berger 2003) and several other life history traits (Hilderbrand et al. 1999, McLellan 2011), denning chronology (Beckmann and Berger 2003), as well as bear population density (Hilderbrand et al. 1999, Rode et al. 2001) and…”
Evolutionary and ecological traps for brown bears Ursus arctos in human‐modified landscapes (2018, background): “In the absence of humans, consuming high- energy berries benefits bears’ fitness (Welch et al. 1997, McLellan 2011, McLellan 2015), thus berries are attractive for them (McLellan and Hovey 2001, Nielsen et al. 2003, Nielsen et al. 2010).”