Skip to main content

Table 1 Comparison of mean species cover in single-layered and multi-layered beech forests

From: At which spatial scale are plant species composition and diversity affected in beech forests?

Species

Single-layered (mean ± SE)

Multi-layered (mean ± SE)

 P

Tree species

 Acer campestre

2.86 ± 1.09

10.95 ± 4.07

0.001***

 Quercus faginea

0.20 ± 0.12

5.95 ± 3.04

0.007**

 Quercus robur

1.31 ± 0.74

6.65 ± 2.18

0.003**

 Sorbus aria

0.52 ± 0.29

0.00 ± 0.00

0.227 ns

 Sorbus aucuparia

0.19 ± 0.14

0.00 ± 0.00

0.334 ns

Shrub species

 Cornus sanguinea

0.08 ± 0.06

2.24 ± 1.38

0.000***

 Crataegus monogyna

4.55 ± 1.08

20.12 ± 6.4

0.002**

 Erica vagans

0.36 ± 0.24

0.00 ± 0.00

0.334 ns

 Hedera helix

7.26 ± 2.18

26.63 ± 9.60

0.004**

 Lonicera periclymenum

0.35 ± 0.17

2.88 ± 1.22

0.000***

 Prunus spinosa

0.49 ± 0.35

4.33 ± 2.91

0.009**

 Rosa spp.

0.87 ± 0.30

16.93 ± 5.19

0.000***

 Rubus spp.

2.05 ± 0.65

19.73 ± 4.41

0.000***

 Ruscus aculeatus

0.41 ± 0.30

7.93 ± 5.47

0.007***

 Tamus communis

0.08 ± 0.06

0.74 ± 0.44

0.047*

Herb species

 Cruciata glabra

0.30 ± 0.18

0.00 ± 0.00

0.334 ns

 Euphorbia amygdaloides

0.71 ± 0.34

0.00 ± 0.00

0.127 ns

 Euphorbia dulcis

0.63 ± 0.18

5.33 ± 1.56

0.000***

 Lathyrus linifolius

0.37 ± 0.13

2.31 ± 0.69

0.000***

 Mercurialis perennis

0.21 ± 0.13

0.00 ± 0.00

0.334 ns

 Potentilla erecta

0.00 ± 0.00

0.38 ± 0.21

0.002**

 Potentilla sterilis

0.63 ± 0.28

1.86 ± 0.75

0.015*

 Saxifraga hirsuta

0.11 ± 0.08

0.00 ± 0.00

0.334 ns

 Stachys officinalis

0.03 ± 0.02

1.24 ± 0.64

0.000***

 Veronica officinalis

0.46 ± 0.19

0.00 ± 0.00

0.104 ns

 Gramineae

9.53 ± 2.24

30.01 ± 5.02

0.000***

Fern species

 Athyrium filix-femina

0.20 ± 0.10

0.00 ± 0.00

0.275 ns

 Pteridium aquilinum

2.35 ± 0.62

9.60 ± 3.17

0.009**

  1. Cover (%; mean ± SE) of the plant species present in the single-layered and multi-layered beech forests and P values of the Mann–Whitney U tests are shown. Only representative data are shown
  2. ***P ≤ 0.001; **P ≤ 0.01; *P ≤ 0.05, and ns = P > 0.05