Alnus viridis was positively selected (4.32% of total diet volume; W index = 4.72), but this may be due to the scarcity of this tree within the AISs, since it is typical of lower altitudes.
Family % [+ or -] SE Genus/species Betulaceae 4.32 [+ or -] 1.60 Alnus viridis Bryophytes 1.79 [+ or -] 0.55 moss and lichens Caryophillaceae 0.03 [+ or -] 0.03 Silene sp.
sitchensis, respectively]), and only occasionally on black cottonwood (Populus trichocarpa), sweetgale (Myrica gale), and Sitka alder (Alnus viridis sinuata) (MacCracken et al.
We also used these t-tests for total cover of krummholz patches in the Mealy Mountains that consisted of either Picea mariana or Alnus viridis, separating these two species to see if the results differed.