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Table 1 List of plants and their frequencies observed in the horizontal (sample 1–6) and vertical transect (sample 7–12)

From: Alpine ecology, plant biodiversity and photosynthetic performance of marker plants in a nitrogen gradient induced by Alnus bushes

Number of plotsL-val.Horizontal plotsVertical plots
123456789101112
Species             
Achillea macrophylla4 +          
Alnus viridis44    4      
Athyrium distentifolium3 2          
Avenella flexuosa2   +   +++2+
Calamagrostis varia211  2 4     
Dryopteris dilatata3+ + + +  +  
Festuca rubra3     +  +   
Gentiana purpurea2   1++  ++  
Homogyne alpina2 + 12+ +  + 
Juniperus communis2    +       
Ligusticum mutellina3 +          
Lilium martagon3 +          
Luzula silvatica2         +  
Oxalis acetosella2+1+1  1+++++
Phleum alpinum2     +      
Rhododendron ferrugineum2+ 122+ +23 5
Solidago virgaurea3     +      
Sorbus aucuparia2    + +     
Vaccinium myrtillus21 +231 +1+3+
Vaccinium uliginosum2   32   333 
Veratrum album4141 1331 + +
  1. The frequency of the species found is given following the cover abundance scale of Braun-Blanquet [1], ranging from +: 2%, 1: 2–5%, 2: 5–25%, 3: 25–50%, 4: 50–75%, 5: 57–100%. L-val. = Landolt N indicator value Landolt et al. [17]
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BMC Ecology

ISSN: 1472-6785

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