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8.2.1.1. Kalkarme Getreideäcker

Aphanion

Description

Phyonomy and Ecology (© Delarze & al. 2015)

Die Einheit umfasst Unkrautfluren aus einjährigen Kräutern, die mehrheitlich im Herbst keimen und sich im darauffolgenden Jahr vermehren. Mit Ausnahme des Windhalms, Apera spica-venti, dessen Blütenstand über 1 m hoch wird, sind alle Pflanzen kleinwüchsig. Die Einheit bildet sich in erster Linie in Wintergetreide, kann aber auch in bei anderen Herbstsaaten vorkommen. In diesem Fall erscheint die Begleitflora in verarmter Form, weil die anspruchsvollen Lichtkeimer dann Mühe haben, im Bestand hochzuwachsen. Gut ausgebildete Formen der Einheit finden sich vor allem in den Tieflagen, in der Bergstufe nimmt die Artenzahl rapid ab. Die Einheit ist an kalkarme Böden gebunden und hat ihr Optimum auf eher schwach gedüngten Feldern. Auf stark gedüngten Böden treten nur verarmte Varianten auf.

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.

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 Apera spica-venti (L.) P. Beauv.Acker-Windhalm
Character species Aphanes arvensis L.Gemeiner Ackerfrauenmantel
Character species Hypochaeris glabra L.Kahles Ferkelkraut
Character species Papaver argemone L.Sand-Mohn
Character species Raphanus raphanistrum L.Acker-Rettich
Character species Scleranthus annuus L. subsp. annuusGewöhnlicher Einjähriger Knäuel
Character species Vicia tetrasperma (L.) Schreb.Viersamige Wicke
Character species Vicia villosa Roth subsp. villosaGewöhnliche Zottige Wicke
Less strictly linked to a specific habitat Anthemis arvensis L.Acker-Hundskamille
Less strictly linked to a specific habitat Aphanes australis Rydb.Kleinfrüchtiger Ackerfrauenmantel
Less strictly linked to a specific habitat Arabidopsis thaliana (L.) Heynh.Schotenkresse
Less strictly linked to a specific habitat Arnoseris minima (L.) Schweigg. & KörteLämmersalat
Less strictly linked to a specific habitat Avena nuda L.Nackt-Hafer
Less strictly linked to a specific habitat Bromus grossus DC.Dicke Trespe
Less strictly linked to a specific habitat Bromus secalinus L.Roggen-Trespe
Less strictly linked to a specific habitat Camelina microcarpa DC.Kleinfrüchtiger Leindotter
Less strictly linked to a specific habitat Centaurea cyanus L.Kornblume
Less strictly linked to a specific habitat Fallopia convolvulus (L.) Á. LöveGemeiner Windenknöterich
Less strictly linked to a specific habitat Galeopsis ladanum L.Acker-Hohlzahn
Less strictly linked to a specific habitat Lathyrus nissolia L.Gras-Platterbse
Less strictly linked to a specific habitat Matricaria chamomilla L.Echte Kamille
Less strictly linked to a specific habitat Odontites vernus (Bellardi) Dumort.Früher Roter Zahntrost
Less strictly linked to a specific habitat Ornithopus perpusillus L.Kleiner Krallenklee
Less strictly linked to a specific habitat Papaver dubium L. subsp. dubiumGewöhnlicher Saat-Mohn
Less strictly linked to a specific habitat Silene gallica L.Französisches Leimkraut
Less strictly linked to a specific habitat Spergula arvensis L.Acker-Spark
Less strictly linked to a specific habitat Teesdalia nudicaulis (L.) R. Br.Teesdalie
Less strictly linked to a specific habitat Trifolium arvense L.Hasen-Klee
Less strictly linked to a specific habitat Veronica arvensis L.Feld-Ehrenpreis
Less strictly linked to a specific habitat Veronica hederifolia L. subsp. hederifoliaGewöhnlicher Efeu-Ehrenpreis
Less strictly linked to a specific habitat Veronica triphyllos L.Dreiteiliger Ehrenpreis
Less strictly linked to a specific habitat Vicia hirsuta (L.) GrayBehaarte Wicke
Less strictly linked to a specific habitat Vicia villosa subsp. varia (Host) Corb.Bunte Zottige Wicke

Status

Status according to the habitat priority list at the national level

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

Status on national Red List 2016

IUCN status:   Critically endangered

LC: Non menacé

Additional information

IUCN criteria: CD1a

  • Legend
    COCollapsed
    CRCritically Endangered
    ENEndangered
    VUVulnerable
    NTNear Threatened
    LCLeast Concern

Regeneration status 2016

Regeneration class 1: less than 5 years