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Trophic Downgrading of Planet Earth
Until recently, large apex consumers were ubiquitous across the globe and had been for millions of years. The loss of these animals may be humankind’s most pervasive influence on nature. AlthoughExpand
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The hypothesis that the regular multiannual population oscillations of boreal and arctic small rodents (voles and lemmings) are driven by predation is as old as the scientific study of rodent cyclesExpand
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The Logic and Realism of the Hypothesis of Exploitation Ecosystems
Hypotheses on trophic dynamics in terrestrial ecosystems fall into two major categories: those in which plants are assumed to be invulnerable to their consumers and those in which the build‐up ofExpand
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Logic of experiments in ecology: is pseudoreplication a pseudoissue?
Hurlbert divides experimental ecologist into ‘those who do not see any need for dispersion (of replicated treatments and controls), and those who do recognize its importance and take whatever measures are necessary to achieve a good dose of it’. Expand
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Reindeer influence on ecosystem processes in the tundra
Reindeer have been recorded to increase nutrient cycling rate and primary production in studies from fences almost 40 years old that separate areas with different grazing regimes in northernExpand
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Role of litter decomposition for the increased primary production in areas heavily grazed by reindeer: a litterbag experiment
Heavy grazing and trampling by reindeer increase nutrient cycling and primary production in areas where grasslands have replaced shrub and moss tundra. One way in which herbivores can affect nutrientExpand
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Importance of large and small mammalian herbivores for the plant community structure in the forest tundra ecotone
Olofsson, J., Hulme, P. E., Oksanen, L. and Suominen, O. 2004. Importance of large and small mammalian herbivores for the plant community structure in the forest tundra ecotone. � / Oikos 106: 324 �Expand
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Vole cycles and predation in temperate and boreal zones of Europe
Summary 1. Graham & Lambin (2002) have reported on a weasel-reduction experiment, concluding that the impact of weasel predation on field vole survival was neither sufficient nor necessary toExpand
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Regulation, cycles and stability in northern carnivore‐herbivore systems: back to first principles
In studies on dynamics of northern predator-prey systems, two assumptions are often made. First, the bifurcation from stable to cyclic dynamics is seen as a consequence of changingExpand
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