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Gradients in density variations of small rodents: the importance of latitude and snow cover
SummaryMicrotine rodents are known to show extreme population variations (cycles) but non-cyclic populations have also been recognized during recent years. The cyclic populations have been widelyExpand
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Rodent dynamics as community processes.
Small rodent fluctuations are mentioned in many textbooks as examples of regular population cycles with constant interval and amplitude. However, recent evidence and analyses have indicated much moreExpand
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Dispersal and connectivity in metapopulations
This paper reviews characteristics of dispersal that influence metapopulation functioning, such as releasing factors, density dependence, timing and types and health of dispersers. EconomicExpand
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Methods of morphological diet micro-analysis in rodents
Methods of microscopic diet analysis were examined and special emphasis was placed on the different methods applicable to granivorous and herbivorous diet of small rodents. No satisfactory method forExpand
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An Interpretation of Rodent Dynamics as Due to Trophic Interactions
Small rodent populations are cyclic in north Fennoscandia and non-cyclic in southern Scandinavia. Populations of granivorous species respond positively to increased food supply in the south whileExpand
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Predation as a Regulating Factor on Small Rodent Populations in Southern Sweden
Predation rate on non-cyclic Microtus agrestis and Apodemus sylvaticus populations was calculated from data on numbers, food spectra, and food demands of the mammalian and avian predators present.Expand
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Regional differences in cyclicity and reproduction in Clethrionomys species: Are they related?
Indices of density variations (or "cyclicity") for local populations of four species of Clethrionomys voles were computed as the standard deviation of late summer early autumn density-estimatesExpand
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