A gradient from stable to cyclic populations of Clethrionomys rufocanus in Hokkaido, Japan

N. Chr Stenseth, Ottar N. Bjornstad, T. Saitoh

Research output: Contribution to journalArticle

108 Citations (Scopus)

Abstract

A total of 31 years of abundance data from 90 populations of the grey-sided vole (Clethrionomys rufocanus) in northern Hokkaido (Japan) were analysed with respect to population dynamic characteristics. Both non-periodic and multi-annually periodic fluctuations occur among the studied populations. The length of the period varies from 2 to 5 years. The dynamics appear approximately linear on a logarithmic scale, and a log-linear stochastic difference model with one time-lag is found to recreate the periodograms of the time series. The deterministic (log-linear) component of these models determines the periodicity while stochasticity sustains the cycles. The dynamics of the Hokkaidian vole populations are found to vary clinally from the western coast eastwards and towards the interior of the study area. This gradient corresponds superficially to the latitudinal gradient seen in microtine populations in Fennoscandia. However, under close scrutiny, these gradients differ greatly: the Hokkaidian gradient is caused by a dine in delayed density dependence. Statistical delayed density dependence is more negative towards the east and the interior.

Original languageEnglish (US)
Pages (from-to)1117-1126
Number of pages10
JournalProceedings of the Royal Society B: Biological Sciences
Volume263
Issue number1374
DOIs
StatePublished - Jan 1 1996

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Clethrionomys
Arvicolinae
density dependence
Japan
Population dynamics
latitudinal gradient
stochasticity
Population
periodicity
Coastal zones
Time series
population dynamics
time series
coast
Population Dynamics
Scandinavia
Periodicity
Population Characteristics
time series analysis
Linear Models

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)
  • Immunology and Microbiology(all)
  • Environmental Science(all)
  • Agricultural and Biological Sciences(all)

Cite this

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abstract = "A total of 31 years of abundance data from 90 populations of the grey-sided vole (Clethrionomys rufocanus) in northern Hokkaido (Japan) were analysed with respect to population dynamic characteristics. Both non-periodic and multi-annually periodic fluctuations occur among the studied populations. The length of the period varies from 2 to 5 years. The dynamics appear approximately linear on a logarithmic scale, and a log-linear stochastic difference model with one time-lag is found to recreate the periodograms of the time series. The deterministic (log-linear) component of these models determines the periodicity while stochasticity sustains the cycles. The dynamics of the Hokkaidian vole populations are found to vary clinally from the western coast eastwards and towards the interior of the study area. This gradient corresponds superficially to the latitudinal gradient seen in microtine populations in Fennoscandia. However, under close scrutiny, these gradients differ greatly: the Hokkaidian gradient is caused by a dine in delayed density dependence. Statistical delayed density dependence is more negative towards the east and the interior.",
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A gradient from stable to cyclic populations of Clethrionomys rufocanus in Hokkaido, Japan. / Stenseth, N. Chr; Bjornstad, Ottar N.; Saitoh, T.

In: Proceedings of the Royal Society B: Biological Sciences, Vol. 263, No. 1374, 01.01.1996, p. 1117-1126.

Research output: Contribution to journalArticle

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