Vegetation cover change after warming. Total vegetation cover change, after 3 seasons of warming. n = 9 for the dwarf shrub and n = 3 for the grass communities on the Falkland Islands. The four communities at the Maritime Antarctic Islands all have n = 6. * indicates significant differences (p < 0.05 Tukey HSD) between OTC and control plots (') indicates a marginal difference (p < 0.1), error bars are se.
Bokhorst et al. BMC Ecology 2007 7:15 doi:10.1186/1472-6785-7-15