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6.5.1. Hochmoor-Birkenwald

Betulion pubescentis

Description

Phyonomy and Ecology (© Delarze & al. 2015)

Diese Hochmoorwälder bestehen fast ausschliesslich aus Birken (Betula pubescens, B. pendula und Hybride), sind aber gelegentlich mit Waldföhren (kollin – submontan) oder Bergföhren (montan) gemischt. Der Unterwuchs besteht hauptsächlich aus Molinia caerulea und verschiedenen Heidekrautgewächsen. In der ausgeprägten Moosschicht sind Torfmoose (Sphagnum) vorherrschend. Frangula alnus bildet häufig eine Strauchschicht. Dieser Waldtyp etabliert sich auf Torfböden, die durch ihre mächtige, saure und nährstoffarme Torfschicht den Zugang der Wurzeln zu den tiefer gelegenen, mineralreichen Schichten verhindern. Die Torfböden sind wassergesättigt, können aber oberflächlich austrocknen. Die Einheit kommt zerstreut und lokal von der submontanen bis in die montane Stufe vor. Es kann sich bei diesen Wäldern um Dauergesellschaften handeln, oft sind es jedoch vorübergehende Stadien einer Wiederbewaldung.

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 Anthoxanthum odoratum L.Duftendes Ruchgras
Less strictly linked to a specific habitat Avenella flexuosa (L.) DrejerDraht-Schmiele
Less strictly linked to a specific habitat Betula pendula RothHänge-Birke
Less strictly linked to a specific habitat Betula pubescens Ehrh.Moor-Birke
Less strictly linked to a specific habitat Calluna vulgaris (L.) HullBesenheide
Less strictly linked to a specific habitat Dryopteris carthusiana (Vill.) H. P. FuchsDorniger Wurmfarn
Less strictly linked to a specific habitat Frangula alnus Mill.Faulbaum
Less strictly linked to a specific habitat Lycopodium annotinum L.Wald-Bärlapp
Less strictly linked to a specific habitat Molinia caerulea (L.) MoenchBlaues Pfeifengras
Less strictly linked to a specific habitat Pinus mugo subsp. uncinata (DC.) DominAufrechte Berg-Föhre
Less strictly linked to a specific habitat Pinus sylvestris L.Wald-Föhre
Less strictly linked to a specific habitat Salix aurita L.Ohr-Weide
Less strictly linked to a specific habitat Salix cinerea L.Grau-Weide
Less strictly linked to a specific habitat Vaccinium myrtillus L.Heidelbeere
Less strictly linked to a specific habitat Vaccinium uliginosum L.Gewöhnliche Rauschbeere

Status

Status according to the habitat priority list at the national level

National Priority 3: medium national priority
Need to take action 2:
International responsibility K: none

Status on national Red List 2016

IUCN status:   Endangered

LC: Non menacé

Additional information

IUCN criteria: B2,B4

  • 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 5: 50 to 200 years