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2.1.3. Strandlingsgesellschaften

Littorellion

Description

Phyonomy and Ecology (© Delarze & al. 2015)

Die Einheit umfasst lockere, offene Strandrasen mit schmalblättrigen, häufig ausläuferbildenden Pflanzen. Diese Artengemeinschaften siedeln innerhalb des Bereiches der schwankenden Wasserstände von Seen (Eulitoral). Sie besiedeln dort Flachufer, die während des Sommers überflutet sind (mit Wassertiefen zwischen 0,3 und 1,7 m). Die Pflanzen dieser Vegetation sind eher konkurrenzschwach und wachsen nur auf wenig produktiven Substraten, z.B. an Sandstränden oder auf nährstoff- und kalkarmen Kiesbänken, mit mässig warmem Wasser im Sommer. Wiederkehrende Überschwemmungen verändern diese Ufer immer wieder, doch stellen solche Überschwemmungen für viele Strandlingsgesellschaften willkommene Regenerationsphasen dar. Sie werden so von der Konkurrenz durch Röhrichte befreit. Die Fortpflanzung findet grösstenteils unter Wasser und vorwiegend auf vegetativem Wege statt.

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 Arenaria gothica Fr.Schwedisches Wimper-Sandkraut
Character species Armeria alpina subsp. purpurea (W. D. J. Koch) O. SchwarzPurpur-Alpen-Grasnelke
Character species Baldellia ranunculoides (L.) Parl.Igelschlauch
Character species Chara virgata Kütz.
Character species Deschampsia
Character species Elatine alsinastrum L.Quirliger Tännel
Character species Eleocharis acicularis (L.) Roem. & Schult.Nadel-Sumpfbinse
Character species Eleocharis atropurpurea (Retz.) C. PreslSchwarzrote Sumpfbinse
Character species Fimbristylis annua (All.) Roem. & Schult.Fransenried
Character species Isoëtes echinospora DurieuStachelsporiges Brachsenkraut
Character species Isoëtes lacustris L.See-Brachsenkraut
Character species Juncus bulbosus L.Knollen-Binse
Character species Littorella uniflora (L.) Asch.Strandling
Character species Marsilea quadrifolia L.Kleefarn
Character species Myosotis rehsteineri Wartm.Bodensee-Vergissmeinnicht
Character species Pilularia globulifera L.Pillenfarn
Character species Potamogeton polygonifolius Pourr.Knöterichblättriges Laichkraut
Character species Ranunculus reptans L.Wurzelnder Sumpf-Hahnenfuss
Character species Ranunculus trichophyllus subsp. eradicatus (Laest.) C. D. K. CookBrunnen-Haar-Wasserhahnenfuss
Character species Saxifraga oppositifolia subsp. amphibia (Sünd.) Braun-Blanq.
Character species Sparganium angustifolium Michx.Schmalblättriger Igelkolben
Less strictly linked to a specific habitat Callitriche palustris L.Sumpf-Wasserstern
Less strictly linked to a specific habitat Elatine hexandra (Lapierre) DC.Sechsmänniger Tännel
Less strictly linked to a specific habitat Elatine hydropiper L.Wasserpfeffer-Tännel
Less strictly linked to a specific habitat Hydrocotyle vulgaris L.Wassernabel
Less strictly linked to a specific habitat Veronica scutellata L.Schild-Ehrenpreis

Status

Status according to the habitat priority list at the national level

National Priority 2: high national priority
Need to take action 2:
International responsibility 1: weak

Status on national Red List 2016

IUCN status:   Endangered

LC: Non menacé

Additional information

IUCN criteria: A1,CD1b

  • 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