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Biotope - Typologie Européenne EUNIS
G3.4 - Niveau 3 : Pinèdes à Pinus sylvestris au sud de la taïga
Description
Forests of Pinus sylvestris ssp. sylvestris and Pinus sylvestris ssp. hamata of the Nemoral and Mediterranean zones and of their transitions to the Steppe zone. Included are, in particular, the forests of Scotland, of the Alpine system, of the Mediterranean peninsulas, of the lowlands of Central Europe, of the East European Nemoral zone and its adjacent wooded steppes, formed by Pinus sylvestris ssp. sylvestris, as well as those of Anatolia, of the Caucacus and of Crimea, formed by Pinus sylvestris ssp. hamata. Excluded are the formations situated within the range of natural lowland occurrence of Picea abies.
Taxons (Liens actifs si espèces présentes)
G3.46 - Niveau 4 : Pinèdes à Pinus sylvestris mésophiles pyrénéennes
Description
Montane, mossy Pinus sylvestris forests of the Pyrenees; characteristic of regions with a moderately dry, sunny climate, they occur, at all exposures but mostly on ubacs (north facing slopes), in a wide belt on the south flank of the range, with limited outposts on the north flank. Characteristic is the abundance of wintergreens (Pyrola chlorantha, Pyrola minor, Moneses uniflora, Orthilia secunda) and of mosses (Hylocomium splendens, Rhytidiadelphus triquetrus, Pleurozium schreberi); Vaccinium myrtillus, Luzula nivea, Hepatica nobilis are usually present.
Taxons (Liens actifs si espèces présentes)
Hepatica nobilis Schreb., 1771 ( Esp. caract. )
Hylocomium splendens (Hedw.) Schimp., 1852 ( Esp. caract. )
Luzula nivea (Nathh.) DC., 1805 ( Esp. caract. )
Moneses uniflora (L.) A.Gray, 1848 ( Esp. caract. )
Orthilia secunda (L.) House, 1921 ( Esp. caract. )
Pinus sylvestris L., 1753 ( Esp. caract. )
Pleurozium schreberi (Willd. ex Brid.) Mitt., 1869 ( Esp. caract. )
Pyrola chlorantha Sw., 1810 ( Esp. caract. )
Pyrola minor L., 1753 ( Esp. caract. )
Rhytidiadelphus triquetrus (Hedw.) Warnst., 1906 ( Esp. caract. )
Vaccinium myrtillus L., 1753 ( Esp. caract. )
Hylocomium splendens (Hedw.) Schimp., 1852 ( Esp. caract. )
Luzula nivea (Nathh.) DC., 1805 ( Esp. caract. )
Moneses uniflora (L.) A.Gray, 1848 ( Esp. caract. )
Orthilia secunda (L.) House, 1921 ( Esp. caract. )
Pinus sylvestris L., 1753 ( Esp. caract. )
Pleurozium schreberi (Willd. ex Brid.) Mitt., 1869 ( Esp. caract. )
Pyrola chlorantha Sw., 1810 ( Esp. caract. )
Pyrola minor L., 1753 ( Esp. caract. )
Rhytidiadelphus triquetrus (Hedw.) Warnst., 1906 ( Esp. caract. )
Vaccinium myrtillus L., 1753 ( 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