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

Carbon and Nutrient Dynamics

CF002
Stream chemistry concentrations and fluxes using proportional sampling in the Andrews Experimental Forest, 1968 to present
PI: Sherri L. Johnson

CF004
Stream, hyporheic, and ground water chemistry of McRae Creek in the Andrews Experimental Forest, 1989 to 1992
PI: Steven M. Wondzell

CF006
Storm nutrient dynamics at Andrews Experimental Forest stream gages, 2001 to 2003
PI: Sherri L. Johnson

CF008
Stream nutrient sampling during winter baseflow conditions in the Andrews Forest and Willamette River Basin, February 2009
PI: Julia A. Jones

CP002
Precipitation and dry deposition chemistry concentrations and fluxes, Andrews Experimental Forest, 1969 to present
PI: Sherri L. Johnson

FS111
Conversion factors to predict the volume of the tree bole that is converted to forest products in the Pacific Northwest (1993)
PI: Mark E. Harmon

HS005
Nutrient and microbial characteristics of mountain stream fine benthic organic matter in the H.J. Andrews Experimental Forest, 1995 to 1996
PI: Robert P. Griffiths

HS006
The effects of debris flows on stream fine benthic organic matter (FBOM), characteristics, 1996
PI: Robert P. Griffiths

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

SP033
Soil respiration associated with ectomycorrhizal mats in an old-growth stand along lower Lookout Creek, HJ Andrews Experimental Forest (2008-2009)
PI: Barbara J Bond

TD010
Origin of large woody debris in streams in the western Cascades of Oregon and Washington and the Oregon Coast Range, 1981 (Helen McDade thesis)
PI: Frederick J. Swanson

TD012
Dimensions, cover, volumes, mass and nutrient stores of Coarse Woody Debris (bark and wood from logs, snags, and stumps) from forests plots in the western United States and Mexico, 1977 to 2005
PI: Mark E. Harmon

TD014
Long-term log decay experiments at the Andrews Experimental Forest, 1985 to 2185
PI: Mark E. Harmon

TD017
Comparison of terrestrial versus aquatic decomposition rates of logs at the Andrews Experimental Forest, 1985 to 2050
PI: Mark E. Harmon

TD018
Nitrogen fixation and respiration potential of conifer logs at Andrews Experimental Forest, 1987 to 2006
PI: Mark E. Harmon

TD020
Respiration patterns of logs in the Pacific Northwest, 1986-1996
PI: Mark E. Harmon

TD021
Fine wood decay studies at the H.J. Andrews and other Forests across the world, 1989 to 2006
PI: Mark E. Harmon

TD022
Coarse woody debris density and nutrient data across western USA, 1982-2001
PI: Mark E. Harmon

TD023
LTER Intersite Fine Litter Decomposition Experiment (LIDET), 1990 to 2002
PI: Mark E. Harmon

TD024
Fine woody detritus volume and mass in small watersheds at Andrews Experimental Forest, 2002 to 2003
PI: Mark E. Harmon

TD025
Log leachates from the Andrews Experimental Forest, 1986-1992
PI: Mark E. Harmon

TD026
Moisture content of logs from the Andrews Experimental Forest, 1985-1988
PI: Mark E. Harmon

TD027
Radial thickness of structural-anatomical components of woody plant parts, 1985-2005
PI: Mark E. Harmon

TD028
Mass of forest floor litter from cores in reference stands and inventory plots in the Pacific Northwest, 1992 to 2003
PI: Mark E. Harmon

TD029
Comparision of native litter species occurring at the Andrews Experimental Forest to LIDET standard species, 1993-2003
PI: Mark E. Harmon

TD030
Fine woody debris inventory data from reference stands and inventory plots in the Pacific Northwest, 1992 to 2000
PI: Mark E. Harmon

TD031
Decomposition of Fine Woody Roots: a Time Series Approach, 1995 to 2006
PI: Mark E. Harmon

TD032
A chronosequence of woody root decomposition in the Pacific Northwest, 1995 to 1997
PI: Mark E. Harmon

TD035
Coarse woody debris volume and mass from line transect inventory from reference stands and inventory plots of the Pacific Northwest, 1997 to 2005
PI: Mark E. Harmon

TD042
Fall directions and breakage of trees along streams in the Pacific Northwest, 2000-2002
PI: Stanley V. Gregory

TL001
Litterfall rates in Reference Stand within the Andrews Experimental Forest, 1977-1985
PI: Mark E. Harmon

TL003
A study of selected ecosystem parameters potentially sensitive to air pollutants in the Olympic Peninsula, 1984-1987
PI: Mark E. Harmon

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

TN025
Nutrient Concentrations of Vegetation in Small Watersheds at H. J. Andrews Experimental Forest, 2005 to 2006
PI: Mark E. Harmon

TP041
Post-logging community structure and biomass accumulation in Watershed 10, Andrews Experimental Forest , 1974 to present
PI: Thomas A. Spies

TP072
Pacific Northwest Plant Biomass Component Equation Library
PI: Mark E. Harmon

TP073
Plant succession and biomass dynamics following logging and burning in Watersheds 1 and 3, Andrews Experimental Forest, 1962 to Present
PI: Charles B. Halpern

TP109
DEMO Fungi Data
PI: Daniel L. Luoma

TP114
Plant biomass dynamics following logging, burning, and thinning in Watersheds 6 and 7, Andrews Experimental Forest, 1979 to present
PI: Mark E. Harmon

TP115
Plant biomass dynamics in old-growth Watersheds 8 and 9 at the Andrews Experimental Forest, 2003 to present
PI: Mark E. Harmon

TV009
Dendrometer studies for stand volume and height measurements of trees of the western US, 1976 to 1993
PI: Mark E. Harmon