Temperature graph of lichen vegetation on Anchorage Island. The monthly mean, maximum and minimum temperature at 5 cm above the soil in the control and OTC plots of the lichen vegetation on Anchorage Island. A: ambient temperature in control plots, OTC: Temperature in OTC. n = 3 for each monthly value, error bars indicate se. Data represent period between November 2003 and November 2005.
Bokhorst et al. BMC Ecology 2007 7:15 doi:10.1186/1472-6785-7-15