Toolik Lake Permanent Vegetation Plots

Walker D.A. and Barry N. 1991. Toolik Lake permanent vegetation plots: site factors, soil physical and chemical properties, plant species cover, photographs, and soil descriptions. Data Report 48, Department of Energy R4D Program, Institute of Arctic and Alpine Research, University of Colorado, Boulder, CO.

Home // Plot location map // Preliminary vegetation classification // Communities and microsites // Environmental variables // Environmental information: Abiotic data, Biotic data // Soils Characteristics // Species Composition // Selected Soil Descriptions // Plot Photos

Soil Chemical Properties, Plot SWT-7

General Plot Description // Plant Species Composition // Environmental Information // Soil Physical Characteristics // Soil Chemical Characteristics

Sample No.	Horizon	Paste pH	Paste E.C.	NH₄HCO₃-DTPA Extract (ppm)							NH₄OAc Extract				% CaCO₃	meq/100g	Bray#

			mmhos/cm	N0₃-N	P	K	Zn	Fe	Mn	Cu	Ca	Mg	Na	K	equiv	CEC	P
			mmhos/cm	N0₃-N	P	K	Zn	Fe	Mn	Cu	(meq/100g)				equiv	CEC	ppm
T-013	Oa	5.1	1	20	25	212	8.9	307	125	1.3	##	##	##	##	##	15.7	51.4

T-014	Bkj

T-015	Ck1

1 = routine analysis + hydrometer particle size + gravel (1 fraction) + CaC0₃ equiv. + Ca, Mg, Na, K + CEC 1a = same as (1) but with water: field capacity, available, hygroscopic 2 = same as (1) but without gravel fraction 2a = same as (1) with water: field capacity, available, hygroscopic *3 = routine analysis + CEC ** = Insufficient sample # = Bray P on samples with pH<6.0 ## = Not analyzed

Enlarge soil photo


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