The effect of environmental change on vascular plant and cryptogam communities from the Falkland Islands and the Maritime Antarctic

Table 6 Plant diversity at the study sites and after warming

		2003	H	H	H change (2005–2003)
Locations	Community	nr species	Control	OTC	Control	OTC
Falkland Islands
	grass	5 ^ab	0.8 (0.2)^a	0.6 (0.2)	0.5 (0.1)	-0.0 (0.2)
	dwarf shrub	6 ^a	1.1 (0.2)^ab	1.1 (0.2)	-0.1 (0.1)	-0.2 (0.1)
Signy Island
	lichen	7 ^a	1.3 (0.1)^ab	1.1 (0.2)	-0.1 (0.1)	-0.1 (0.1)
	moss	3 ^b	0.8 (0.1)^a	0.7 (0.0)	-0.0 (0.0)	-0.0 (0.0)
Anchorage Island
	lichen	8 ^a	1.5 (0.1)^b	1.3 (0.1)	-0.3 (0.1)	-0.5 (0.1)
	moss	3 ^b	0.6 (0.1)^a	0.9 (0.1)	0.0 (0.1)	-0.1 (0.2)

Species number and diversity of the vegetation expressed in Shannon's diversity index (H). Different letters indicate significant (P < 0.05 Tukey HSD) differences in diversity between communities (tested for controls only as there was no effect after two years of warming). Values between brackets are se.

ISSN: 1472-6785