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Biotopes & milieux

Biotope - Typologie Européenne EUNIS

F5.51 - Niveau 4 : Fourrés et landes-garrigues thermoméditerranéens
Description
Lentisc-dominated or lentisc-rich scrub and related formations with Olea europaea var. sylvestris, Pistacia lentiscus, Rhamnus spp. and Rhamnus lycioides subspecies, Myrtus communis, Rubia spp., Asparagus spp., Phillyrea spp., Osyris spp., Bupleurum spp., various oaks (Quercus ilex, Quercus coccifera and other species), Calicotome spp., Laurus nobilis, Helichrysum italicum and other species widespread in the whole thermo-Mediterranean zone (except the arid Iberian Southeast: unit F5.55). A few extremely distinctive habitats formed by facies of these formations, distributed throughout large portions of their range, are separated under units F5.52-F5.54. Other characteristic habitats are classified as subunits of this unit according to the dominant species.
Taxons (Liens actifs si espèces présentes)
Asparagus L., 1753, Bupleurum L., 1753, Calicotome Link, 1808, Helichrysum italicum (Roth) G.Don, 1830, Laurus nobilis L., 1753, Myrtus communis L., 1753, Olea europaea var. sylvestris (Mill.) Lehr, 1779, Osyris L., 1753, Phillyrea L., 1753, Pistacia lentiscus L., 1753, Quercus coccifera L., 1753, Quercus ilex L., 1753 [nom. et typ. cons. prop.], Rhamnus L., 1753, Rubia L., 1753,
F5.517 - Niveau 5 : Garrigues côtières à Helichrysum
Description
Low formations of Helichrysum (Helichrysum italicum ssp. microphyllum, Helichrysum italicum ssp. italicum) with spurges (Euphorbia pithyusa, i.a.), Pistacia lentiscus, Camphorosma monspeliaca, Artemisia densiflora or Thymelaea passerina, Thymelaea hirsuta, Thymelaea tartonraira of the immediate vicinity of sea cliffs, forming the transition between cliff vegetations or clifftop phryganas and thermo-Mediterranean scrub; they are particularly characteristic of the large Mediterranean islands.
Taxons (Liens actifs si espèces présentes)
Artemisia densiflora Viv., 1830 ( Esp. caract. )
Camphorosma monspeliaca L., 1753 ( Esp. caract. )
Euphorbia pithyusa L., 1753 ( Esp. caract. )
Helichrysum italicum subsp. italicum (Roth) G.Don, 1830 ( Esp. caract. )
Helichrysum italicum subsp. microphyllum (Willd.) Nyman, 1879 ( Esp. caract. )
Helichrysum Mill., 1754 ( Esp. caract. )
Pistacia lentiscus L., 1753 ( Esp. caract. )
Thymelaea hirsuta (L.) Endl., 1847 ( Esp. caract. )
Thymelaea passerina (L.) Coss. & Germ., 1861 ( Esp. caract. )
Thymelaea tartonraira (L.) All., 1785 ( Esp. caract. )
Analyse Ecologie du milieu (En fonction des espèces présentes)
Faible
Forte — nb espèces indicatrices par classe
Humidité
Réaction du sol (pH)
Nutriments
Lumière
Matière organique
Granulométrie
Salinité