Cantabrian mixed forests

The Cantabrian mixed forests is a temperate broadleaf and mixed forests ecoregion in southwestern Europe. It extends along the coastal Cantabrian Mountains and Galician Massif of Northern Spain, extending south into northern Portugal, and northwards through the westernmost Pyrenees to southwestern France. The ecoregion extends from the seacoast to the highest peaks of the Cantabrian Mountains. The highest peak is Torre Cerredo at 2,648 meters elevation.

Cantabrian mixed forests
Forest in Cantabria
Location of the Cantabrian mixed forests
Ecology
RealmPalearctic
Biometemperate broadleaf and mixed forests
Borders
Geography
Area95,158 km2 (36,741 sq mi)
CountriesSpain, France and Portugal
Autonomous communities of SpainAsturias, Basque Country, Cantabria, Castile and León, Galicia, La Rioja and Navarre
Conservation
Conservation statusvulnerable
Protected9,294 km² (10%)[1]

The ecoregion is transitional between the Mediterranean climate regions of Spain and Portugal and the more humid and temperate forests of Western Europe. The lowlands have mild temperate climate, while the high mountains experience cold winters.

Flora

The ecoregion's altitudinal range supports several plant communities.

The lowlands are characterized by broadleaf deciduous forests, with English oak (Quercus robur), sweet chestnut (Castanea sativa), European ash (Fraxinus excelsior), lindens (Tilia platyphyllos and Tilia cordata), wych elm (Ulmus glabra), and maples (Acer pseudoplatanus and Acer platanoides). Characteristically Mediterranean evergreen trees and shrubs, including holm oak (Quercus ilex), cork oak (Quercus suber), sweet bay (Laurus nobilis), strawberry tree (Arbutus unedo), and Rhamnus alaternus, can be found in warm and well-drained areas like limestone outcrops. Maritime pine (Pinus pinaster) is common on Atlantic coastal dunes in northern Portugal and western Galicia, and further inland on rocky dry slopes.[2]

Middle- and upper-elevation forests are characterized by deciduous oaks (Quercus petraea and Quercus pyrenaica), with European beech (Fagus sylvatica) from the Cantabrian Mountains eastward into France.

Stands of white birch (Betula pubescens) appear below the timber line. Above the timber line (1800 meters), subalpine plant communities including low shrubs (including dwarf juniper and heathers), grasses, peat bogs, and rock outcrops cover the highest peaks.[2]

Fauna

Large mammals include Cantabrian brown bear (Ursus arctos), Iberian wolf (Canis lupus signatus), Cantabrian chamois (Rupicapra pyrenaica parva), wild boar (Sus scrofa), red deer (Cervus elaphus elaphus), and roe deer (Capreolus capreolus). Feral horses (Equus caballus) roam in Galicia's mountains. The broom hare (Lepus castroviejoi) is an endemic species to the Cantabrian Mountains. The reclusive Pyrenean desman (Galemys pyrenaicus) is a vulnerable small mammal that lives here and in the Pyrenees.[2]

The Cantabrian brown bears number over 200 individuals, who live in the Cantabrian Mountains of southern Asturias and Cantabria and the adjacent portion of Castile and León. The brown bear population has increased in recent decades from fewer than 100 in the 1990s. The Cantabrian population is the larger of the two remaining brown bear populations in southwestern Europe; the other is in the Pyrenees.[3]

The Cantabrian capercaillie (Tetrao urogallus cantabricus) is an endangered subspecies of grouse. Its population and range are declining from habitat destruction, human disturbance, and over-hunting.

Protected areas

9,294 km² (10%) of the ecoregion is in protected areas. Another 23% is forested and outside protected areas.[1] Protected areas include Picos de Europa National Park (661.2 km²),[4] Somiedo (289.8 km²), Redes, (376.98 km²), Fuentes del Narcea, Degaña e Ibias (576.34 km²), Fuentes Carrionas y Fuente Cobre - Montaña Palentina (781.41 km²), Ponga (205.06 km²), Fragas do Eume (91.49 km²), and Aiako harria (68.95 km²) natural parks in Spain,[5] and Peneda-Gerês National Park (695.92 km²)[6] in Portugal.

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  • "Cantabrian mixed forests". Terrestrial Ecoregions. World Wildlife Fund.

References
  1. Eric Dinerstein, David Olson, et al. (2017). An Ecoregion-Based Approach to Protecting Half the Terrestrial Realm, BioScience, Volume 67, Issue 6, June 2017, Pages 534–545; Supplemental material 2 table S1b.
  2. "Cantabrian mixed forests". Terrestrial Ecoregions. World Wildlife Fund.
  3. Trinidad Pérez, Javier Naves, José Fernando Vázquez, Alberto Fernández-Gil, Juan Seijas, Jesús Albornoz, Eloy Revilla, Miguel Delibes, and Ana Domínguez "Estimating the population size of the endangered Cantabrian brown bear through genetic sampling," Wildlife Biology 20(5), 300-309, (1 October 2014). https://doi.org/10.2981/wlb.00069
  4. "Picos De Europa". Protected Planet. Accessed 6 May 2020.
  5. "Spain". Protected Planet. Accessed 6 May 2020.
  6. "Peneda-Gerês". Protected Planet. Accessed 6 May 2020.
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