continuous permafrost, no trees, a complete snow cover for 7 to 9 months, winter ice cover on lakes, streams, and ocean, and cessation of river flow during the winter.
Arctic tundra—lakes, streams, tussock tundra, heath tundra, riverine willows.
Movement of nutrients from land to stream to lake; changes due to anthropogenic influences; controls of ecological processes by nutrients and by predation.
elevation: 760 m
Environment - annual precip: < 400 mm; mean annual soil T: Cryic/Frigid: < 8C; elevation: 500-800 m; ecoregion: polar
Data available - soil solids: pH, acidity, OC, N, water holding capacity; soil water: DOC; soil gas: surface flux; vegetation: biomass above & below ground, macro- and micro- nutrients, hasvest mass and havest nutrient content; soil biota: macro- and microinvertebrates, microorganisms