vegetation characteristics

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, Sweden.

Terrestrial Soil Properties
Julia Reiskind, Michelle Mack, Jennie DeMarco, 2014 Carbon/Nitrogen Status Including Protease Activities of Arctic Soils Associated with Shrubs of Varying Height around Toolik Field Station, Alaska 2009.. 10.6073/pasta/71cc8c540aad45c1d774b35fdcf80ac0
Organic and mineral soil cores were collected from 18 transects differentiated by shrub height into three replica groups: high (average 64 cm ± SE 1.01); medium (39 ± SE 1); and low (18 ± SE 0.4); and percent plant functional group cover. Replica sample cores were taken from each transect, and after homogenization and K2SO4 extraction, if required, samples were analyzed for % C (carbon) and N (nitrogen); non-purgeable organic C (NPOC); total N (TN); dissolved inorganic and organic N (DIN, DON); microbial biomass C (MB-C) and N (MB-N).
Terrestrial Trace Gases
Gaius Shaver, 2010 GPS coordinates and vegetation descriptions for the ITEX circumarctic flux survey plots 2003-2009. 10.6073/pasta/b3a59715aa39c847af9b9524c56bea3d
GPS locations and vegetation descriptions for the ITEX flux survey plots. Survey plots were located in the Toolik Lake LTER fertilization experiment in Alaska; at Imnavait Creek, Alaska; at Paddus, Latnjajaure and the Stepps site near Abisko in northern Sweden; at various sites in Adventdalen, Svalbard; in the Zackenberg valley, Northeast Greenland; at BEO near Barrow, Alaska and at the Anaktuvuk River Burn in Alaska. Measurements were made during the growing seasons 2003 to 2009.
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