Table 4

Vegetation composition at the Signy Island study sites

Signy Island

Vegetation type

Moss

Lichen

(%)

(%)


(l): lichen, (m): moss

Chorisodontium aciphyllum (m)

76.2

Usnea antarctica (l)

52.9

Polytrychum strictum (m)

62.8

Andreae depressinervis (m)

20.4

Cladonia gracilis (l)

8.8

Ochrolechia frigida (l)

12.0

Andreaea depressinervis (m)

<1.0

Buellia perlata (l)

5.1

Ochrolechia frigida (l)

<1.0

Cladonia gracilis (l)

4.5

Usnea antarctica (l)

<1.0

Polytrychum strictum (m)

2.4

Sphaerophorus globosus (l)

<1.0

Sphaerophorus globosus (l)

2.0

Alectoria nigricans (l)

<1.0

Alectoria nigricans (l)

1.5

Cetraria aculeata (l)

<1.0

Chorisodontium aciphyllum (m)

<1.0


Mean cover (%) of cryptogams in the control plots of each vegetation type Signy Island at the start of the experiment. Species are listed in order of abundance from top to bottom.

Bokhorst et al. BMC Ecology 2007 7:15   doi:10.1186/1472-6785-7-15

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