Table 2

Results from the nested analyses of variance of treatment effects on the changes in biomass (g/m2) of major plant functional groups in low shrub tundra, Kangerlussuaq, Greenland



P-values



Variable
Response
W
E
E*W

B. nana leaf
δp
0.862
0.291
0.097

δs
0.898
0.056
0.225

δc
0.751
0.191
0.716
B. nana stem
δp
0.512
0.093
0.594

δs
0.698
0.887
0.895

δc
0.609
0.965
0.864
Graminoids
δp
0.474
0.021a
0.188

δs
0.696
0.995
0.960

δc
0.802
0.916
0.993
Forbs
δp
0.891
0.484
0.293

δs
0.738
0.509
0.725

δc
0.297
0.736
0.875

δp: primary change 2003–2004, δs: secondary change 2005–2006, δc: cumulative change 2003–2006. W: warming treatment, E: exclosure treatment. a indicates significance at the p ≤ 0.05 level.

Pedersen and Post BMC Ecology 2008 8:17   doi:10.1186/1472-6785-8-17