Search Results - "Krebs, Charles J"
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sensitive hare: sublethal effects of predator stress on reproduction in snowshoe hares
Published in The Journal of animal ecology (01-11-2009)“…1. Prey responses to high predation risk can be morphological or behavioural and ultimately come at the cost of survival, growth, body condition, or…”
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2
Newly discovered landscape traps produce regime shifts in wet forests
Published in Proceedings of the National Academy of Sciences - PNAS (20-09-2011)“…We describe the "landscape trap" concept, whereby entire landscapes are shifted into, and then maintained (trapped) in, a highly compromised structural and…”
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3
Some historical thoughts on the functional responses of predators to prey density
Published in Frontiers in ecology and evolution (15-11-2022)“…The introduction of the functional response into population ecology in 1949 by Maurice Solomon was focused on explaining population regulation by…”
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Long‐term monitoring of cycles in Clethrionomys rutilus in the Yukon boreal forest
Published in Integrative zoology (01-01-2024)“…Baseline studies of small rodent populations in undisturbed ecosystems are rare. We report here 50 years of monitoring and experimentation in Yukon of a…”
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Surviving winter: Food, but not habitat structure, prevents crashes in cyclic vole populations
Published in Ecology and evolution (01-01-2017)“…Vole population cycles are a major force driving boreal ecosystem dynamics in northwestern Eurasia. However, our understanding of the impact of winter on these…”
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Prey availability and ambient temperature influence carrion persistence in the boreal forest
Published in The Journal of animal ecology (01-09-2020)“…Scavenging by vertebrates can have important impacts on food web stability and persistence, and can alter the distribution of nutrients throughout the…”
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Population limitation of the northern red-backed vole in the boreal forests of northern Canada
Published in The Journal of animal ecology (01-11-2006)“…1. Across the vast boreal forests of North America, no population cycles in Clethrionomys species occur. In Eurasia, by contrast, some Clethrionomys…”
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Population variation alters aggression-associated oxytocin and vasopressin expressions in brains of Brandt’s voles in field conditions
Published in Frontiers in zoology (30-10-2021)“…Abstract Density-dependent change in aggressive behavior contributes to the population regulation of many small rodents, but the underlying neurological…”
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The functional response of a hoarding seed predator to mast seeding
Published in Ecology (Durham) (01-09-2010)“…Mast seeding involves the episodic and synchronous production of large seed crops by perennial plants. The predator satiation hypothesis proposes that mast…”
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10
Lemming population fluctuations around the Arctic
Published in Proceedings of the Royal Society. B, Biological sciences (01-06-2024)Get more information
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Impact of high predation risk on genome-wide hippocampal gene expression in snowshoe hares
Published in Oecologia (01-11-2014)“…The population dynamics of snowshoe hares (Lepus americanus) are fundamental to the ecosystem dynamics of Canada’s boreal forest. During the 8- to 11-year…”
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Of lemmings and snowshoe hares: the ecology of northern Canada
Published in Proceedings of the Royal Society. B, Biological sciences (22-02-2011)“…Two population oscillations dominate terrestrial community dynamics in northern Canada. In the boreal forest, the snowshoe hare (Lepus americanus) fluctuates…”
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13
Demography of snowshoe hare population cycles
Published in Ecology (Durham) (01-03-2020)“…Cyclic fluctuations in abundance exhibited by some mammalian populations in northern habitats (“population cycles”) are key processes in the functioning of…”
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14
Two complementary paradigms for analysing population dynamics
Published in Philosophical transactions of the Royal Society of London. Series B. Biological sciences (29-09-2002)“…works sometimes but not always and is remarkably useless in solving management problems or in providing an understanding of why populations change in size. The…”
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15
Lemming winter habitat choice: a snow-fencing experiment
Published in Oecologia (01-04-2012)“…The insulative value of early and deep winter snow is thought to enhance winter reproduction and survival by arctic lemmings (Lemmus and Dicrostonyx spp). This…”
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Prescriptive and empirical principles of applied ecology
Published in Environmental reviews (01-06-2015)“…Applied ecology is the science of managing ecosystems for defined outcomes, such as conservation, sustainable harvest, and animal pest and weed control. Robust…”
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Predators, energetics and fitness drive neonatal reproductive failure in red squirrels
Published in The Journal of animal ecology (01-01-2015)“…Neonatal reproductive failure should occur when energetic costs of parental investment outweigh fitness benefits. However, little is known about the drivers of…”
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18
Modeling the costs and benefits of seed scatterhoarding to plants
Published in Ecosphere (Washington, D.C) (01-04-2015)“…Many plants interact with scatterhoarding animals as mutualists (seed dispersers) and antagonists (seed predators) simultaneously, but the net effects of…”
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Whither mammalian ecology?
Published in Journal of mammalogy (05-10-2020)“…The critical agenda for mammalian ecologists over this century is to obtain a synthetic and predictive understanding of the factors that limit the distribution…”
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Causality and wildlife management
Published in The Journal of wildlife management (01-07-2023)“…Establishing cause and effect (i.e., causality) is a fundamental aim in science and important for wildlife management, as we need to know the cause of an event…”
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