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5.3.8. Gebirgs-Weidengebüsch

Salicenion waldsteinianae

Description

Phyonomy and Ecology (© Delarze & al. 2015)

Das Salicenion waldsteinianae umfasst alle subalpinen Weidengebüsche, die eine Wuchshöhe von 1 bis 2 m aufweisen. Viele der Weidenarten haben blaugrüne oder weissliche Blätter und verleihen den Beständen einen charakteristischen Schimmer. Sie besiedeln schwach geneigte Abhänge mit skelettreichen, ziemlich mageren Böden, die regelmässig nass werden. Einige Gesellschaften besiedeln die Ufer der Gebirgsbäche (Salicetum bicoloris, Salicetum caesio-foetidae), andere Moränen und feuchte Hangfüsse von Geröllhalden (Salicetum waldsteinianae, Salicetum helveticae). Die Weidengebüsche liegen lange unter der Schneedecke und bleiben im Sommer kühl. Die Krautschicht ist lückig und enthält manche Elemente der subalpinen Hochstaudenfluren (5.2.4, Adenostylion).

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
Character species Salix alpina Scop.Alpen-Weide
Character species Salix caesia Vill.Blaugrüne Weide
Character species Salix glabra Scop.Kahle Weide
Character species Salix glaucosericea Flod.Seidenhaarige Weide
Character species Salix laggeri Wimm.Flaum-Weide
Character species Salix
Character species Salix waldsteiniana Willd.Waldsteins Weide
Less strictly linked to a specific habitat Salix bicolor Willd.Zweifarbige Weide
Less strictly linked to a specific habitat Salix breviserrata Flod.Kurzzähnige Weide
Less strictly linked to a specific habitat Salix foetida DC.Stink-Weide
Less strictly linked to a specific habitat Salix hastata L.Spiessblättrige Weide
Less strictly linked to a specific habitat Salix helvetica Vill.Schweizer Weide
Less strictly linked to a specific habitat Salix ×hegetschweileri HeerHegetschweilers Weide
Less strictly linked to a specific habitat Sorbus chamaemespilus (L.) CrantzZwergmispel

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 2: medium

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

Regeneration status 2016

Regeneration class 4: 25 to 50 years