Lemmus trimucronatus 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Mammalia Rodentia Cricetidae

Scientific Name: Lemmus trimucronatus (Kerr, 1792)
Common Name(s):
English Brown Lemming

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2016
Date Assessed: 2016-08-08
Assessor(s): Cassola, F.
Reviewer(s): Amori, G.
Contributor(s): Linzey, A.
It is a common and widely distributed specie therefore is listed as Least Concern.
Previously published Red List assessments:

Geographic Range [top]

Range Description:Widely distributed in northern North America from Alaska east to Baffin Island and south (in the west) to central British Columbia and (further east) to northern Manitoba. In Old World distributed in tundra to Kolyma in the west (Russian Federation). Several specimens found outside tundra, in middle Anadyr and Paren' Rivers, and lower Penzhina and Gizhiga Rivers.
Countries occurrence:
Canada; Russian Federation; United States
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:Populations highly variable, cycling on a 3-4 year basis. Populations lows may drop to <1/ha and peak densities may reach 150-200/ha.
Current Population Trend:Stable
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:Ii inhabits either arctic tundra or subarctic alpine tundra above tree line. Feeds on lings, cotton grass, some cereals and green mosses (Pleurosium, Polythrichum).
Generation Length (years):0-1

Threats [top]

Major Threat(s): No major threats ar .

Conservation Actions [top]

Conservation Actions: Occurs in some protected areas. Considered "secure" (S5) in British Columbia, but "critically imperiled" (S1) in Alberta. Not ranked at the species level in Alaska or in other Canadian provinces/territories. One subspecies of concern in North America: L. s. nigripes (S3 in Alaska).

Errata [top]

Errata reason: This errata assessment has been created because the map was accidentally left out of the version published previously.

Classifications [top]

4. Grassland -> 4.1. Grassland - Tundra

In-Place Research, Monitoring and Planning
In-Place Land/Water Protection and Management
  Occur in at least one PA:Yes
In-Place Species Management
In-Place Education

Bibliography [top]

IUCN. 2016. The IUCN Red List of Threatened Species. Version 2016-3. Available at: www.iucnredlist.org. (Accessed: 07 December 2016).

IUCN. 2017. The IUCN Red List of Threatened Species. Version 2017-1. Available at: www.iucnredlist.org. (Accessed: 27 April 2017).

Pacifici, M., Santini, L., Di Marco, M., Baisero, D., Francucci, L., Grottolo Marasini, G., Visconti, P. and Rondinini, C. 2013. Generation length for mammals. Nature Conservation 5: 87–94.

Wilson, D.E. and Ruff, S. 1999. The Smithsonian Book of North American Mammals. Smithsonian Institution Press, Washington, DC, USA.

Citation: Cassola, F. 2016. Lemmus trimucronatus. In: (errata version published in 2017). The IUCN Red List of Threatened Species 2016: e.T136712A115211700. . Downloaded on 20 June 2018.
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