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2.1.2.1. Stillwasser-Röhricht

Phragmition

Description

Phyonomy and Ecology (© Delarze & al. 2015)

Das Phragmition besteht in einer 2 bis 4 m hohen, grasartigen Vegetation, vorwiegend aus Schilf (Phragmites australis), manchmal auch aus Rohrkolben (Typha angustifolia, T. latifolia) oder Seebinsen (Schoenoplectus lacustris). Diese Arten bilden Röhrichte, die sich gürtelartig entlang von Seeufern und Stillwasserbereichen anderer Gewässertypen erstrecken. Die Bestände wurzeln in Wassertiefen von 0,2 m (Typhetum latifoliae) bis 1,8 m, ausnahmsweise bis 3,5 m (Scirpetum lacustris). Die Standorte sind meso- bis eutroph und oft sauerstoffarm, sodass sich am Grund viel organisches Material ansammelt. So verlanden diese Uferbereiche allmählich. Die charakteristischen Arten dieser Röhrichte bilden sehr leichte Samen, die der Wind über weite Entfernungen verfrachten kann. Haben sie einmal Fuss gefasst, bilden die Röhrichtarten durch Ausläufer rasch grössere Kolonien.

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 Acorus calamus L.NKalmus
Character species Butomus umbellatus L.Schwanenblume
Character species Glyceria maxima (Hartm.) Holmb.Grosses Süssgras
Character species Ranunculus lingua L.Grosser Sumpf-Hahnenfuss
Character species Sagittaria latifolia Willd.NBreitblättriges Pfeilkraut
Character species Sagittaria sagittifolia L.Echtes Pfeilkraut
Character species Schoenoplectus lacustris (L.) PallaSee-Flechtbinse
Character species Schoenoplectus pungens (Vahl) PallaStechende Flechtbinse
Character species Schoenoplectus triqueter (L.) PallaDreikantige Flechtbinse
Character species Sium latifolium L.Grosser Merk
Character species Sparganium emersum RehmannEinfacher Igelkolben
Character species Sparganium erectum L.Ästiger Igelkolben
Character species Typha angustifolia L.Schmalblättriger Rohrkolben
Less strictly linked to a specific habitat Caldesia parnassifolia (L.) Parl.Caldesie
Less strictly linked to a specific habitat Calla palustris L.Drachenwurz
Less strictly linked to a specific habitat Equisetum fluviatile L.Schlamm-Schachtelhalm
Less strictly linked to a specific habitat Hippuris vulgaris L.Tannenwedel
Less strictly linked to a specific habitat Phalaris arundinacea L.Rohr-Glanzgras
Less strictly linked to a specific habitat Phragmites australis (Cav.) Steud.Schilf
Less strictly linked to a specific habitat Typha latifolia L.Breitblättriger Rohrkolben
Less strictly linked to a specific habitat Typha shuttleworthii W. D. J. Koch & Sond.Silber-Rohrkolben

Status

Status according to the habitat priority list at the national level

National Priority 4: weak national priority
Need to take action 2:
International responsibility K: none

Status on national Red List 2016

IUCN status:   Vulnerable

LC: Non menacé

Additional information

IUCN criteria: A1

  • 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 2: 5 to 10 years