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6.1.4. Hartholz-Auenwald

Fraxinion

Description

Phyonomy and Ecology (© Delarze & al. 2015)

Das Fraxinion umfasst alle Auenwälder mit Hartholz-Baumarten (Esche, Eiche, Ulme, Kirsche). Die sehr hohe Produktivität (bis 18 Tonnen Trockengewicht pro Hektare und Jahr) und die Dynamik des Lebensraumes (Überflutungen, Auflandungen) fördern einen strukturreichen Aufbau, der sich zudem oft mit anderen Lebensräumen mosaikartig verzahnt. In Auengebieten erinnert dieser Lebensraumtyp daher in vielerlei Hinsicht an die Urwälder der Tropen (viele Lianen, Ineinandergreifen der Vegetationsschichten). Die Hartholzauen fassen Pflanzengesellschaften vieler verschiedener feuchter Habitattypen zusammen. Einige besiedeln unregelmässig überschwemmte Auenterrassen, wo Feinsedimente überwiegen, insbesondere in den Talgegenden ausserhalb der Alpenregion. Andere bilden schmale Streifenbestände entlang von Bachläufen. Wieder andere sind nicht direkt an Fliessgewässer gebunden, sie bestocken wasserzügige Hangfüsse und schlecht entwässerte Mulden. Allen diesen Varianten ist gemeinsam, dass die Standorte für die Buche zu feucht sind.

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 Carex brizoides L.Zittergras-Segge
Character species Carex pendula Huds.Hänge-Segge
Character species Carex remota L.Lockerährige Segge
Character species Carex strigosa Huds.Dünnährige Segge
Character species Equisetum telmateia Ehrh.Riesen-Schachtelhalm
Character species Malaxis monophyllos (L.) Sw.Einblatt
Character species Matteuccia struthiopteris (L.) Tod.Straussfarn
Character species Prunus padus L. subsp. padusGewöhnliche Traubenkirsche
Character species Ribes rubrum L.NRote Johannisbeere
Character species Ulmus laevis Pall.Flatter-Ulme
Less strictly linked to a specific habitat Adoxa moschatellina L.Bisamkraut
Less strictly linked to a specific habitat Aesculus hippocastanum L.NRosskastanie
Less strictly linked to a specific habitat Allium scorodoprasum L.Schlangen-Lauch
Less strictly linked to a specific habitat Allium ursinum L.Bärlauch
Less strictly linked to a specific habitat Alnus glutinosa (L.) Gaertn.Schwarz-Erle
Less strictly linked to a specific habitat Alnus incana (L.) MoenchGrau-Erle
Less strictly linked to a specific habitat Anemone nemorosa L.Busch-Windröschen
Less strictly linked to a specific habitat Anemone ranunculoides L.Gelbes Windröschen
Less strictly linked to a specific habitat Arum maculatum L.Gemeiner Aronstab
Less strictly linked to a specific habitat Carex acutiformis Ehrh.Scharfkantige Segge
Less strictly linked to a specific habitat Chrysosplenium alternifolium L.Wechselblättriges Milzkraut
Less strictly linked to a specific habitat Circaea lutetiana L.Grosses Hexenkraut
Less strictly linked to a specific habitat Clematis vitalba L.Gemeine Waldrebe
Less strictly linked to a specific habitat Equisetum hyemale L.Winter-Schachtelhalm
Less strictly linked to a specific habitat Equisetum sylvaticum L.Wald-Schachtelhalm
Less strictly linked to a specific habitat Euphorbia dulcis L.Süsse Wolfsmilch
Less strictly linked to a specific habitat Festuca gigantea (L.) Vill.Riesen-Schwingel
Less strictly linked to a specific habitat Fraxinus excelsior L.Gemeine Esche
Less strictly linked to a specific habitat Gagea lutea (L.) Ker Gawl.Wald-Gelbstern
Less strictly linked to a specific habitat Galium odoratum (L.) Scop.Echter Waldmeister
Less strictly linked to a specific habitat Impatiens noli-tangere L.Wald-Springkraut
Less strictly linked to a specific habitat Juglans regia L.NWalnussbaum
Less strictly linked to a specific habitat Lamium galeobdolon subsp. montanum (Pers.) HayekBerg-Goldnessel
Less strictly linked to a specific habitat Lathraea squamaria L.Schuppenwurz
Less strictly linked to a specific habitat Leucojum vernum L.Märzenglöckchen
Less strictly linked to a specific habitat Listera ovata (L.) R. Br.Grosses Zweiblatt
Less strictly linked to a specific habitat Lysimachia nemorum L.Hain-Gilbweiderich
Less strictly linked to a specific habitat Lysimachia nummularia L.Pfennigkraut
Less strictly linked to a specific habitat Platanus orientalis L.NAsiatische Platane
Less strictly linked to a specific habitat Poa remota ForsellesEntferntähriges Rispengras
Less strictly linked to a specific habitat Populus alba L.Silber-Pappel
Less strictly linked to a specific habitat Primula elatior (L.) L.Wald-Schlüsselblume
Less strictly linked to a specific habitat Pseudostellaria europaea Schaeftl.Knollenmiere
Less strictly linked to a specific habitat Quercus robur L.Stiel-Eiche
Less strictly linked to a specific habitat Ranunculus auricomus aggr.Gold-Hahnenfuss
Less strictly linked to a specific habitat Ranunculus ficaria L.Scharbockskraut
Less strictly linked to a specific habitat Rumex sanguineus L.Blut-Ampfer
Less strictly linked to a specific habitat Scilla bifolia L.Zweiblättriger Blaustern
Less strictly linked to a specific habitat Scrophularia nodosa L.Knotige Braunwurz
Less strictly linked to a specific habitat Sison amomum L.Gewürzdolde
Less strictly linked to a specific habitat Stachys sylvatica L.Wald-Ziest
Less strictly linked to a specific habitat Stellaria nemorum L. subsp. nemorumGewöhnliche Hain-Sternmiere
Less strictly linked to a specific habitat Tamus communis L.Schmerwurz
Less strictly linked to a specific habitat Ulmus glabra Huds.Berg-Ulme
Less strictly linked to a specific habitat Ulmus minor Mill.Feld-Ulme
Less strictly linked to a specific habitat Veronica hederifolia subsp. lucorum (Klett & Richt.) HartlHain-Efeu-Ehrenpreis
Less strictly linked to a specific habitat Veronica montana L.Berg-Ehrenpreis
Less strictly linked to a specific habitat Viburnum opulus L.Gemeiner Schneeball

Status

Status according to the habitat priority list at the national level

National Priority K: no national priority
Need to take action 2:
International responsibility K: none

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 5: 50 to 200 years