Arctic LTER Terrestrial Database
Biomass/production/chemistry Plant biomass
measurements near Toolik Lake, Alaska for moist tundra, wet sedge, tall shrub,
and dry heath. Some harvests include total nitrogen and phosphorus.
Plant communities and plant species list
for area around Toolik Lake
Plant phenological and growth data. Leaf
growth and phenology data from experimental plots near Toolik Lake and the long
term data set of flowering abundance and nutrient content of Eriophorum
vaginatum. The flowering abundance data are from observations at 34 sites,
spanning 5.5 degrees latitude and 1050 m elevation in northern and central
Alaska; collected since 1979 and annually since 1989.
Don Schell's del C-13 and Radiocarbon dates
Percent moisture, percent organic carbon, bulk density, del C-13, del 15N, and
radiocarbon content were determined at depth intervals in peat cores from the
North Slope of Alaska
Soil properties and chemical composition and
extractable nutrients: Extractable NH4-N and NO3-N (2 N KCl), PO4-P (0.025 N
HCl) and pH (0.01 M CaCl2); Carbon, nitrogen and phosphorus content; thaw depth; del C-13, del N-15; ergosterol
concentration for soils near Toolik, along the Dalton Highway and Abisko,
Achieve of AL Johnson's photos
and notes on frost boils from
Cape Thomson, Alaska.
Soil microfuna and microflora- includes bacteria, fungi, protozoa, nematodes, rotifers, tardigrades
Invertebrates (spiders, insects and slugs
Trace Gases Ecosystem respiration (ER: or CO2 flux), methane (CH4) fluxes and net ecosystem production (NEP) near Toolik Lake, Alaska, comparing effects of temperature, moisture and nutrients on tundra C balances.
Litter Decomposition Long-term Intersite Decomposition Experiment Team (LIDET)
Precipitation Chemistry Unfrozen wet only and bulk precipitation for the summer months at Toolik Lake.