HJA newt logo HJ Andrews
Login Donate
visit HJA Andrews on Twitter visit HJA Andrews on Facebook HJA RSS news feed
 



  Home > Research > Long-Term Research Categories > Research Component

Soils

SP001
Soil descriptions and data for soil profiles in the Andrews Experimental Forest, selected reference stands, Research Natural Areas, and National Parks, 1962 & 1996
PI: C. Ted Dyrness

SP002
Soil Moisture and vegetation cover patterns after logging and burning an old-growth Douglas-fir forest in the Andrews Experimental Forest, 1960-1983
PI: Alfred B. Levno

SP004
Seasonal relationships between soil respiration and water-extractable carbon as influenced by soil temperature and moisture in forest soils of the Andrews Experimental Forest, 1992-1993
PI: Robert P. Griffiths

SP005
Synoptic soil respiration of permanent forest sites in the Andrews Experimental Forest (1993 REU Study)
PI: Robert P. Griffiths

SP006
Chemical and microbiological properties of soils in the Andrews Experimental Forest (1994 REU Study)
PI: Robert P. Griffiths

SP007
Disturbance effects on soil processes in the Andrews Experimental Forest (1995 Stand Age Study)
PI: Robert P. Griffiths

SP008
Effect of thinning pole stands on soil processes in southern Oregon, central Coast Range, and central western Cascades of Oregon (1994-1995 BLM Study)
PI: Robert P. Griffiths

SP009
Role of vegetation and coarse wood debris on soil processes and mycorrhizal mat distribution patterns at the Hi-15, Andrews Experimental Forest, 1994-1995
PI: Robert P. Griffiths

SP010
Respiration in soils collected from the REU synoptic sample grid in the Andrews Experimental Forest, 1994-1995
PI: Robert P. Griffiths

SP012
The relationship between early succession rates and soil properties in the Andrews Experimental Forest, 1999-2000
PI: Robert P. Griffiths

SP014
Seasonal soil respiration using permanent gas chambers in the Andrews Experimental Forest, 1994-1996
PI: Robert P. Griffiths

SP016
Influence of coniferous tree invasion on forest meadow soil properties on Bunch Grass Ridge and Deer Creek near the Andrews Experimental Forest, 1998
PI: Robert P. Griffiths

SP017
Influence of tree-fall gaps on soil characteristics in gaps of varying sizes in the Andrews Experimental Forest, 1995
PI: Robert P. Griffiths

SP018
Influence of microclimate gradients on soil characteristics within tree-fall gaps in the Andrews Experimental Forest, 1997
PI: Robert P. Griffiths

SP019
Influence of tree-fall gaps on soil characteristics in the Andrews Experimental Forest, 1999
PI: Robert P. Griffiths

SP020
Effects of topography on soil characteristics in the Andrews Experimental Forest, 1998
PI: Robert P. Griffiths

SP021
Chemical and biochemical characteristics of soils along transects in stands with different vegetation and successional characteristics in the Andrews Experimental Forest, 1996
PI: Robert P. Griffiths

SP022
Association of ectomycorrhizal mats with Pacific yew and other understory trees at the Andrews Experimental Forest and the southern and western Cascades, Oregon, 1992-1994
PI: Robert P. Griffiths

SP026 **Spatial Dataset**
Soil survey (1964, revised in 1994), Andrews Experimental Forest
PI: C. Ted Dyrness

SP027 **Spatial Dataset**
Willamette National Forest soil resource inventory (SRI 1992) clipped to the Andrews Experimental Forest
PI: Theresa J. Valentine

SP029 **Spatial Dataset**
Fungal mat transect mapping, High 15 in the Andrews Experimental Forest, 1994-1995
PI: Robert P. Griffiths

SP030 **Spatial Dataset**
Mycorrhizal map sampling data in different age class plots of Douglas-fir forests, Andrews Experimental Forest, 1992-2005
PI: Robert P. Griffiths

TN021
Soil solution chemistry in Detrital Input and Removal Treatments (DIRT) from the Andrews Experimental Forest, 1999-2011
PI: Kate Lajtha

TP119 **Spatial Dataset**
Vegetation history classification for Watersheds 1, 2, and 3, Andrews Experimental Forest, 1959-1990
PI: Julia A. Jones