Table 1 . --Environmental variables measured at each sample plot, 



ABBREVIATION 



VARIABLE 



VARIABLE TYPE 



elev 

 aspect 

 slope 

 rad 



soil 



gravel 



rock 



litter 



wood 



moss 



basal 



alluv 



eolian 



till 



sedm 



igne 



mtn 



rolling 

 break 

 plat 



kame 

 flood 



elevation (ft) 

 aspect (°) 

 slope (%) 

 radiation index 



soil cover (%) 

 gravel cover (%) 

 rock cover (%) 

 litter cover (%) 

 wood cover (%) 

 moss cover (%) 

 basal veg. cov. (%) 



parent material 

 alluvium 

 eolian 



glacial till 

 sedimentary- 

 igneous 



landform 



mountains 



rolling uplands 



breaklands 



plateaus 



kames and kettles 



alluvial forms 



quantitative 

 quantitative 

 quantitative 

 quantitative 



quantitative 

 quantitative 

 quantitative 

 quantitative 

 quantitative 

 quantitative 

 quantitative 



categorical 



categorical 



vail 



draw 



short 



lower 



mid 



ridge 



even 

 convex 

 concave 

 undulate 



plot position 



valley bottom 



draw 



short slope 



lower slope 



mid slope 



ridge 



slope shape 

 even 

 convex 

 concave 

 undulating 



categorical 



categorical 



10 



