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5.4.5. Mesophile subalpine Zwergstrauchheide (Alpenrosenheide)

Rhododendro-Vaccinion

Description

Phyonomy and Ecology (© Delarze & al. 2015)

Der hohe Deckungsgrad von Rostblättrigen Alpenrosen (Rhododendron ferrugineum) und Heidelbeeren (Vaccinium myrtillus), unterlegt von grossen Moospolstern, sind typisch für die Einheit. Auf flachgründigeren Böden kann sich die Legeföhre (Pinus mugo) hinzugesellen. Die Alpenrosenheiden finden ihr Optimum in eher schattigen Lagen, die lange eingeschneit bleiben. Die Schneedecke schützt sie gegen die Winterkälte (Rhododendron ist auf sehr tiefe Temperaturen empfindlich). Der Boden ist sauer und nährstoffarm; Rohhumus belegt die obere Schicht. Es handelt sich meistens um einen Podsol-Boden. Die mesophile Zwergstrauchheide steht den subalpinen Nadelwäldern nahe und bildet einen Gürtel an der oberen Grenze der subalpinen Stufe im Übergang zu den alpinen Rasen. In tieferen Lagen besiedelt es Sonderstandorte mit kühlem, feuchtem Mikroklima.

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 Astrantia minor L.Kleine Sterndolde
Less strictly linked to a specific habitat Avenella flexuosa (L.) DrejerDraht-Schmiele
Less strictly linked to a specific habitat Calamagrostis villosa (Chaix) J. F. Gmel.Wolliges Reitgras
Less strictly linked to a specific habitat Diphasiastrum alpinum (L.) HolubAlpen-Flachbärlapp
Less strictly linked to a specific habitat Huperzia selago (L.) Schrank & Mart.Tannenbärlapp
Less strictly linked to a specific habitat Lonicera caerulea L.Blaue Heckenkirsche
Less strictly linked to a specific habitat Pinus mugo Turra subsp. mugoLeg-Föhre
Less strictly linked to a specific habitat Pyrola minor L.Kleines Wintergrün
Less strictly linked to a specific habitat Rhododendron ferrugineum L.Rostblättrige Alpenrose
Less strictly linked to a specific habitat Vaccinium gaultherioides BigelowKleinblättrige Rauschbeere
Less strictly linked to a specific habitat Vaccinium myrtillus L.Heidelbeere

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