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Table 12.3 Results of SIMPER analysis ('Similarity Percentages - Species Contributions') for bryophyte composition of stream segments within each
TWINSPAN group (A-F) (Msim
species number to
reach 50% of similarity between samples of each group; Co% = percentage of the contribution of species for similarity of the group; (f%) percentage of
conditional frequency of species in segments of the group).
=
average similarity of segments in the group; Ma
=
mean abundance (Domin scale); No. Tx/50%Sim
=
Group A (Msim: 20.93)
Group B (Msim: 26.09)
Group C (Msim: 33.69)
N Tx/50%Sim
N Tx/50%Sim
N Tx/50%Sim
=
3
=
3
=
4
Species
Ma
Co%
f%
Species
Ma
Co%
f%
Species
Ma
Co%
f%
Cinclidotus fontinaloides
4
27.8
87.5
Bryum alpinum
3.6
26.9
90.9
Platyhypnidium lusitanicum
3.9
14.2
74.2
Didymodon insulanus
2.5
12.4
75.0
Racomitrium aciculare
3.3
19.8
72.7
Racomitrium aciculare
3.6
13.9
79.8
Didymodon luridus
2.3
10.6
62.5
Polytrichum commune
2.7
11
63.6
Scapania undulata
3.5
12.5
76.4
Group D (Msim: 26.91)
Group E (Msim: 17.56)
Group F (Msim: 22.02)
N Tx/50%Sim
N Tx/50%Sim
N Tx/50%Sim
=
7
=
3
=
3
Species
Ma
Co%
f%
Species
Ma
Co%
f%
Species
Ma
Co%
f%
Brachythecium rivulare
3
10.3
67.7
Racomitrium aciculare
2.3
20.5
66.7
Leptodyctium riparium
2.8
32.9
81.8
Scapania undulata
2.8
9.1
64.5
Platyhypnidium riparioides
2.7
16.1
66.7
Fontinalis antipyretica
1.6
16.4
54.5
Platyhypnidium lusitanicum
2.9
8.5
58.1
Ceratodon purpureus
1.8
14.3
66.7
 
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