1. Addington RN, Seastedt (1999) Activity of soil microarthropods beneath snowpack in alpine tundra and subalpine forest. Pedobiologia 43:47–53
2. Anderson RV, Coleman DC (1982) Nematode temperature responses: a niche dimension in populations of bacterial-feeding nematodes. J Nematol 14:69–76
3. Anderson RV, Coleman DC, Cole CV (1981) Effects of saprotrophic grazing on net mineralization. In: Clark FE, Rosswall T (eds) Terrestrial nitrogen cycles. Ecol Bull (Stockholm) 33:201–215
4. Archibold OW, Ripley EA, Bretell DL (1996) Comparison of the microclimate of a small aspen grove and adjacent prairie in Saskatchewan. Am Midl Nat 136:248–261
5. Atkin RK, Barton GE, Robinson DK (1973) Effect of root-growing temperature on growth substances in xylem exudates of Zea mays. J Exp Bot 24:475–487