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5.4.4. Trockene subalpine Zwergstrauchheide (Zwergwacholderheide)

Juniperion nanae

Description

Phyonomy and Ecology (© Delarze & al. 2015)

In dieser Heidegesellschaft dominieren die immergrünen trockenheitzeigenden Zwergsträucher wie Juniperus communis ssp. nana, Arctostaphylos uva-ursi und Calluna vulgaris in Begleitung anderer Heidekrautgewächse. Juniperion nanae wächst auf sonnigen Felsabhängen der subalpinen und unteren alpinen Stufe in Regionen oder Geländeabschnitten, in denen ein kontinentales Mikroklima herrscht. Angepasst an Sommertrockenheit, müssen diese Pflanzen auch tiefe Wintertemperaturen (bis – 40 °C) aushalten, weil sie oft nicht von einer isolierenden Schneedecke geschützt sind. Der Boden ist sauer und nährstoffarm und eher flachgründig.

Distribution map

  • Calculation method

    Current distribution: Weighted sum (number of characteristic and frequent species) per hectare based on current observations. Reported characteristic species are given a weighting of 10, while others are counted without weighting. The habitat is considered to be present in a grid cell (5 x 5 km) if it contains at least one hectare with a minimum value of 11 points.

    Potential distribution: Weighted sum (number of characteristic and frequent species) per hectare based on species distribution models. The calculation strategy is the same as for current distribution, but maps derived from species distribution models are used instead of current observations.

Pictures

List of species

bold Dominant species, influencing the appearance of the habitat
Character species Character species
Less strictly linked to a specific habitat Less strictly linked to a specific habitat


Scientific name English name
Less strictly linked to a specific habitat Arctostaphylos uva-ursi (L.) Spreng.Immergrüne Bärentraube
Less strictly linked to a specific habitat Astrantia minor L.Kleine Sterndolde
Less strictly linked to a specific habitat Avenella flexuosa (L.) DrejerDraht-Schmiele
Less strictly linked to a specific habitat Calluna vulgaris (L.) HullBesenheide
Less strictly linked to a specific habitat Cotoneaster integerrimus Medik.Kahle Steinmispel
Less strictly linked to a specific habitat Diphasiastrum alpinum (L.) HolubAlpen-Flachbärlapp
Less strictly linked to a specific habitat Erica carnea L.Schneeheide
Less strictly linked to a specific habitat Geranium rivulare Vill.Blassblütiger Storchschnabel
Less strictly linked to a specific habitat Juniperus communis subsp. alpina Čelak.Zwerg-Wacholder
Less strictly linked to a specific habitat Laserpitium halleri CrantzHallers Laserkraut
Less strictly linked to a specific habitat Luzula lutea (All.) DC.Gelbe Hainsimse
Less strictly linked to a specific habitat Phyteuma betonicifolium Vill.Betonienblättrige Rapunzel
Less strictly linked to a specific habitat Potentilla grandiflora L.Grossblütiges Fingerkraut
Less strictly linked to a specific habitat Sempervivum wulfenii Mert. & W. D. J. KochWulfens Hauswurz
Less strictly linked to a specific habitat Senecio abrotanifolius L.Eberreisblättriges Greiskraut
Less strictly linked to a specific habitat Sesleria caerulea (L.) Ard.Kalk-Blaugras
Less strictly linked to a specific habitat Vaccinium gaultherioides BigelowKleinblättrige Rauschbeere
Less strictly linked to a specific habitat Vaccinium myrtillus L.Heidelbeere
Less strictly linked to a specific habitat Vaccinium vitis-idaea L.Preiselbeere
Less strictly linked to a specific habitat Viola thomasiana Songeon & E. P. PerrierThomas' Veilchen

Status

Status according to the habitat priority list at the national level

National Priority K: no national priority
Need to take action 0: mesures needed
International responsibility 1: weak

Status on national Red List 2016

IUCN status:   Least concern

LC: Non menacé

Additional information

IUCN criteria: --

  • Legend
    COCollapsed
    CRCritically Endangered
    ENEndangered
    VUVulnerable
    NTNear Threatened
    LCLeast Concern

Legal protection (NCHO appendix 1)

Natural habitat worthy of protection

Regeneration status 2016

Regeneration class 4: 25 to 50 years