Alnus glutinosa

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Habitus and growth type

  • Plant height [m]: 19.19
    ?
  • Life span: Perennial
    ?
  • Life form: Phanerophyte, Tree
    ?

Leaf

  • Leaf type (woody plants only): Broad deciduous or semi-deciduous
    ?
  • Leaf phenology (woody plants only): Winter deciduous
    ?
  • Specific leaf area [mm2/mg]: 19.92
    ?

Flower

  • Flowering period: February-April
    ?

Fruit, seed and dispersal

  • Seed mass [mg]: 2.2
    ?
  • Dispersal mode: Dyszoochory
    ?
  • Dispersal distance class: 6
    ?

Trophic mode

  • Parasitism and mycoheterotrophy: autotroph
    ?
  • Carnivory: non-carnivorous
    ?
  • Symbiotic nitrogen fixation: symbiosis with frankia
    ?

Taxon origin

  • Origin in Europe: Native
    ?

Ecology

  • Environmental relationships

  • Substrate humidity relationship: Wet
    ?
  • Substrate reaction relationship: Slightly acidic to near-neutral
    ?
  • Nutrient relationship: Eutrophic
    ?
  • Salinity relationship: Slightly saline or brackish
    ?
  • Ellenberg-type indicator values

  • Light indicator value: 5.7
    ?
  • Temperature indicator value: 5.6
    ?
  • Moisture indicator value: 9.2
    ?
  • Reaction indicator value: 5.9
    ?
  • Nutrient indicator value: 6.3
    ?
  • Salinity indicator value: 0.6
    ?
  • Disturbance indicator values

  • Disturbance frequency: 0.23
    ?
  • Disturbance frequency (herb layer): 1.37
    ?
  • Disturbance severity: 0.65
    ?
  • Disturbance severity (herb layer): 0.29
    ?
  • Mowing frequency: 0.05
    ?
  • Grazing pressure: 0.18
    ?
  • Soil disturbance: 0.11
    ?

Habitat and sociology

  • Syntaxon

  • Diagnostic species of phytosociological classes: HA (POP) Alno glutinosae-Populetea albae, IA (ALN) Alnetea glutinosae
    ?
  • EUNIS habitat

  • Broad habitat

  • Occurrence in broad habitats: Aquatic, Wetland, Scrub, Forest, Sparsely vegetated (incl. rock and scree)
    ?

Distribution

  • Continentality amplitude: 5
    ?
  • Country-based map: Euro+Med Plantbase
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