Title
Northwest Iberian oro-Mediterranean scrub (Juniperus communis subsp. alpina, Cytisus oromediterraneus) with Genista sanabrensis on siliceous rocks
Geographical distribution
Country/territory
Spain: Montes de Léon, Sierra de la Cabrera
area frequency
2 polygons.
Scientific names of main plant communities and their most common synonyms (with author citation)
Genisto sanabrensis-Juniperetum nanae F. Prieto 1983.
Structural feature of the main community(ies) (layers, life-forms, etc.)
Scrub consisting of nanophanerophytes and chamaephytes of low height or a crawling growth form.
Dominant and most frequent species in different layers
Shrub layer
Genista sanabrensis, Juniperus communis subsp. alpina, Cytisus oromediterraneus
Herb layer
Vaccinium myrtillus
Moss layer (incl. lichens)
No details
Diagnostically important species
Genista sanabrensis, Juniperus communis subsp. alpina, Cytisus oromediterraneus
Ecological variants
No details
Geographical variants (geogr. differential species)
No details
Natural accompanying vegetation (most important units in complex with the name giving mapping unit, scientific names)
stonecrop communities (Agrostio durieui-Sedetum pyrenaici, Sedo brevifolii-Sperguletum rimari); debris fan communities (Cryptogrammo crispae-Dryopteridetum oreadis, Cryptogrammo crispae-Silenetum gayanae, Cryptogrammo crispae-Ranunculetum cabrerensis); rock crevice communities (Murbeckiello boryi-Sperguletum rimari).
Adjoining climax and permanent vegetation (with numbers of mapping units)
acidophilous oak forests (F25), Quercus pyrenaica-forests (G65).
Land use, substitute communities
forestry (substitute communities, plantations of economic tree-species, scrub)
---
grassland (meadows, pastures, herb-rich communities)
psychroxerophilic pasture lands (Teesdaliopsio confertae-Festucetum summilusitanae).
arable land (characteristic weed communities)
---
settlements (typical ruderal vegetation)
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Site conditions of the mapping unit
Landscape type, geomorphology
mountainous country
Altitudinal belt and/or altitudinal range
oro-Mediterranean; 1800-2200 m
Geology (bedrock)
base-deficient siliceous rock (Silurian, Ordovician; Precambrian)
soil type, also the depth of fine textured earth (soil), stone content; (international nomenclature)
ranker; (umbric leptosols; dystric cambisols)
soil moisture, water balance
fresh
soil fertility
oligotrophic to mesotrophic
Climate incl. local climate
climate type (following Walter & Lieth)
X
average annual temperature
4-8 °C
average annual precipitation
>1600 mm
average temperature of the warmest month
10-12 °C
average temperature of the coldest month
-3 to -1 °C
local climate or other climatic peculiarities
---
Importance for nature protection
Present state and development trend of natural vegetation (degree of endangerment)
No details
endangered communities, species worthy of protection in natural vegetation
No details
causes of endangerment
Fires, tourism.
required measures for protection and restitution
No details
Localities of representative stands (loci typici) with state of protection
of the natural vegetation
Spain: Peña Trevinca, Teleno, Sierra de Cabrera, La Guiana, Morredero.
of characteristic substitute communities worthy of protection
---
Most important references (author, year)
Díaz González & Penas Merino 1984; Fernández Prieto 1983; Llamas García 1984; Penas Merino, García González & Herrero Cembranos 1995; Rivas-Martínez 1987
Compiled by
V. Voggenreiter based on documents by S. Rivas-Martínez; A. Penas Merino and L. Herrero Cembranos
