Evidence map›Paper›PMID 33369695›Full record

ReviewOecologia2021

Population cycles and outbreaks of small rodents: ten essential questions we still need to solve.

Harry P Andreassen, Janne Sundell, Fraucke Ecke, Stefan Halle, Marko Haapakoski, Heikki Henttonen, Otso Huitu, Jens Jacob, Kaja Johnsen, Esa Koskela and 11 more

Erratum issuedAbstract readReview
In one paragraph

Review in Oecologia, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 58 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
58citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

58 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Small rodents, huge impact: A scoping review of EuropeanOne health (Amsterdam, Netherlands) · 2026
    Review
  3. Climate-driven host ecology as a framework for zoonotic disease risk: Understanding transferability across arenavirus systems.Proceedings of the National Academy of Sciences of the United States of America · 2026
    Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Review
  11. Density-dependent recruitment but not survival drives cyclic dynamics in a field vole population.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  12. Article
  13. Article
  14. Article
  15. Article
  16. Review
  17. Article
  18. Winter Ecology of the Hen Harrier,Animals : an open access journal from MDPI · 2025
    Article
  19. Review
  20. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

21 authors.

Harry P AndreassenFaculty of Applied Ecology, Agricultural Sciences and Biotechnology, Inland Norway University of Applied Sciences, Campus Evenstad, 2480, Koppang, Norway.
Janne SundellLammi Biological Station, University of Helsinki, Pääjärventie 320, 16900, Lammi, Finland.
Fraucke EckeDepartment of Wildlife, Fish, and Environmental Studies, Swedish University of Agricultural Sciences, Skogsmarksgränd, 90183, Umeå, Sweden.
Stefan HalleInstitute of Ecology and Evolution, Friedrich Schiller University Jena, Dornburger Str. 159, 07743, Jena, Germany.
Marko HaapakoskiDepartment of Biological and Environmental Science, Konnevesi Research Station, University of Jyväskylä, P.O. Box 35, 40014, Jyväskylä, Finland.
Heikki HenttonenTerrestrial Population Dynamics, Natural Resources Institute Finland, Latokartanonkaari 9, 00790, Helsinki, Finland.
Otso HuituTerrestrial Population Dynamics, Natural Resources Institute Finland, Latokartanonkaari 9, 00790, Helsinki, Finland.
Jens JacobFederal Research Centre for Cultivated Plants, Vertebrate Research, Julius Kühn-Institut, Toppheideweg 88, 48161, Münster, Germany.
Kaja JohnsenFaculty of Applied Ecology, Agricultural Sciences and Biotechnology, Inland Norway University of Applied Sciences, Campus Evenstad, 2480, Koppang, Norway.
Esa KoskelaDepartment of Biological and Environmental Science, University of Jyväskylä, P.O. Box 35, 40014, Jyväskylä, Finland.
Juan Jose Luque-LarenaDepartamento de Ciencias Agroforestales, Escuela Tecnica Superior de Ingenierıas Agrarias, Universidad de Valladolid, Campus La Yutera, Avenida de Madrid 44, 34004, Palencia, Spain.
Nicolas LecomteCanada Research Chair in Polar and Boreal Ecology and Centre D'Études Nordiques, Department of Biology, Université de Moncton, 18 Avenue Antonine-Maillet, Moncton, NB, E1A 3E9, Canada.
Herwig LeirsEvolutionary Ecology Group, Department of Biology, University of Antwerp, Universiteitslain 1, 2610, Wilrijk, Belgium.
Joachim MariënEvolutionary Ecology Group, Department of Biology, University of Antwerp, Universiteitslain 1, 2610, Wilrijk, Belgium.
Magne NebyFaculty of Applied Ecology, Agricultural Sciences and Biotechnology, Inland Norway University of Applied Sciences, Campus Evenstad, 2480, Koppang, Norway.
Osmo RättiArctic Centre, University of Lapland, P.O. Box 122, 96101, Rovaniemi, Finland.
Thorbjörn SievertDepartment of Biological and Environmental Science, Konnevesi Research Station, University of Jyväskylä, P.O. Box 35, 40014, Jyväskylä, Finland.
Grant R SingletonInternational Rice Research Institute, DAPO Box 7777, Metro Manila, Philippines.
Joannes van CannDepartment of Biological and Environmental Science, University of Jyväskylä, P.O. Box 35, 40014, Jyväskylä, Finland.
Bram Vanden BroeckeEvolutionary Ecology Group, Department of Biology, University of Antwerp, Universiteitslain 1, 2610, Wilrijk, Belgium.
Hannu YlönenDepartment of Biological and Environmental Science, Konnevesi Research Station, University of Jyväskylä, P.O. Box 35, 40014, Jyväskylä, Finland. hannu.j.ylonen@jyu.fi.ORCID http://orcid.org/0000-0001-6935-1464

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Most small rodent populations in the world have fascinating population dynamics. In the northern hemisphere, voles and lemmings tend to show population cycles with regular fluctuations in numbers. In the southern hemisphere, small rodents tend to have large amplitude outbreaks with less regular intervals. In the light of vast research and debate over almost a century, we here discuss the driving forces of these different rodent population dynamics. We highlight ten questions directly related to the various characteristics of relevant populations and ecosystems that still need to be answered. This overview is not intended as a complete list of questions but rather focuses on the most important issues that are essential for understanding the generality of small rodent population dynamics.

Indexed as

EcosystemRodentiaAnimalsArvicolinaeDisease OutbreaksPopulation DynamicsDensity dependenceLemmingsMicePhase dependenceVoles

Identifiers

PMID33369695
PMCPMC7940343

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.