|Scientific Name:||Microtus cabrerae|
|Species Authority:||Thomas, 1906|
|Taxonomic Notes:||Its phylogenetic position was studied by Jaarola et al. (2004).|
|Red List Category & Criteria:||Near Threatened ver 3.1|
|Assessor(s):||Fernandes, M., Pita, R. & Mira, A.|
|Reviewer(s):||Amori, G. (Small Nonvolant Mammal Red List Authority) & Temple, H. (Global Mammal Assessment Team)|
This species has an area of occupancy that is small and potentially in decline (Pita et al. 2007). If the area of occupancy is measured based on 2x2 km grid squares (as recommended in the Red List Guidelines), the area of occupancy is likely to exceed 2,000 km2, but potentially not by much. Assessed as Near Threatened under criterion B2.
|Previously published Red List assessments:||
Microtus cabrerae is endemic to the Iberian peninsula (Portugal and Spain), where it has a fragmented range (Palomo 1999, Shenbrot and Krasnov 2005). It occurs from 0 to 1,500 m, although it is most common below 1,200 m (Palomo and Gisbert 2002, R. Pita unpublished data).
In Spain, populations in the south have recently disappeared (Muñoz, L.J.P. pers. comm.2007).
|Upper elevation limit (metres):||1500|
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||Many subpopulations are small, fragmented, and subject to major inter-annual fluctuations (Palomo and Gisbert 2002, Mira et al. 2005). Subfossil remains have been found outside the species' current distribution, suggesting a range contraction (Palomo 1999), and it is considered that the species occupies a relict distribution (Palomo and Gisbert 2002). Population densities are moderate by comparison with other arvicoline rodents, typically varying between 17 and 350 individuals per hectare (Palomo and Gisbert 2002). The species is often found in isolated patches inhabited by a few individuals, often an adult couple and its offspring.|
|Current Population Trend:||Decreasing|
|Habitat and Ecology:||It occurs in pastures, fields and open clearings in woodland, tending to prefer damper areas than the common vole. It is often found in proximity to water (Palomo 1999) and on road verges (Santos et al. 2006, Pita et al. 2006). Meadows and perennial grassland communities are the most favourable microhabitats for this species (Santos et al. 2005).|
|Major Threat(s):||Agricultural intensification, including overgrazing, has presumably contributed to range contractions and fragmentation over the last few decades (Palomo 1999). There is increased pressure on streams and other wetland areas the species occurs in. There is suspicion that interspecific competition with Arvicola sapidus may be a problem (Pita et al. 2006).|
|Conservation Actions:||The species occurs in protected areas in both Portugal and Spain. It is protected under the Bern Convention (Appendix II) and the EU Habitats and Species Directive (Annex II and Annex IV).|
|Citation:||Fernandes, M., Pita, R. & Mira, A. 2008. Microtus cabrerae. The IUCN Red List of Threatened Species 2008: e.T13418A3915236. . Downloaded on 03 May 2016.|
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