FIG. 5.

Principal component analysis indicating the effect of sampling date on ectomycorrhizal fungal community structure in the A1 horizon. Crosses correspond to ECM species. Three representative species are given for each group. Numbers correspond to sampling dates (1, July 2004; 2, August 2004; 3, September 2004; 4, October 2004; 5, November 2004; 6, December 2004; 7, January 2005; 8, February 2005; 9, March 2005; 10, April 2005; 11, May 2005; 12, June 2005; 13, July 2005; 14, August 2005; 15, September 2005).