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65 records found

Epigelous and Hypogeous Pezizales of Western North America

Purpose

To determine and document biological diversity of the region's morels, truffles, and related cup-fungi. To prepare a modern, comprehensive synthesis on these fungi for the scientific and lay public.

Project Start Date
1990-08-15
Project End Date
1993-08-15
Related Publications
N/A
Project Categories
  • Environmental Factors
  • Mycology
Keywords
  • epigelous
  • hypogeous
  • pezizale
  • pezizales
  • western
  • north america
  • morel
  • morels
  • truffles
  • truffle
  • fungi
  • fungus
  • mushroom
  • mushrooms
  • cup
  • fungal
  • morchella
  • Nancy Weber
  • Denison
  • Bill
  • Trappe
  • James
Additional Information
Currently Active
No
Agency
OSU
Project Type
Research
Research Forest
N/A
Researcher
Weber, Nancy S.
Role
PI
Collaborators
Denison, Bill; Trappe, James M.
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292
Project ID
292

Use of TDR to estimate water in logs and litter

Purpose

To calibrate electrical resistance method of measuring moisture

Project Start Date
1991-04-01
Project End Date
1991-05-01
Related Publications
N/A
Project Categories
  • Environmental Factors
  • Vegetation
Keywords
  • TDR
  • estimate
  • water
  • estimates
  • logs
  • log
  • litter
  • moisture
  • floor
  • electrical
  • resistance
  • Andrew Gray
Additional Information
Currently Active
No
Agency
OSU
Project Type
Research
Research Forest
N/A
Researcher
Gray, Andrew
Role
PI
Collaborators
N/A
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304
Project ID
304

Geohydrologic Behavior of a steep forested slope in the Oregon coast range

Purpose

Measurements of groundwater response to precipitation. Soil sampling and characterization.

Project Start Date
1991-08-26
Project End Date
1994-03-31
Related Publications
N/A
Project Categories
  • Environmental Factors
  • Soil
Keywords
  • geohydrologic
  • hydrological
  • hydrology
  • behavior
  • steep
  • forest
  • forested
  • slope
  • slopes
  • oregon
  • coast
  • costal
  • geo
  • groundwater
  • water
  • precipitation
  • soil
  • soils
  • Marvin Pyles
  • Mark Bransom
Additional Information
Currently Active
No
Agency
OSU
Project Type
Research
Research Forest
N/A
Researcher
Bransom, Mark
Role
C
Collaborators
Pyles, Marvin R.
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305
Project ID
305

Growth inhibitors of Pacific Yew

Purpose

This project will try to determine if Pacific Yew produces compound such as diterpene, taxol, that regulate or alter the growth patterns of the soil microflora.The project will take soil samples from under an established yew tree, an established douglas f

Project Start Date
1991-10-11
Project End Date
1992-05-01
Related Publications
N/A
Project Categories
  • Environmental Factors
  • Vegetation
Keywords
  • growth
  • inhibitor
  • inhibitors
  • pacific yew
  • yews
  • taxus brevifolia
  • soil
  • soils
  • stop
  • yield
  • yields
  • diterpene
  • taxol
  • regulate
  • regulating
  • microflora
  • reed
  • Jeremy Coate
Additional Information
Currently Active
No
Agency
Reed College
Project Type
Research
Research Forest
N/A
Researcher
Coate, Jeremy
Role
C
Collaborators
N/A
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298
Project ID
298

Ilex Invasion of Northwest Forests

Purpose

To study the progression of the invasion of the northwest forests by Ilex. This would be done by getting a sample of the age structure of population, as well as the structure of the stands they are established in. This would be done by coring large diame

Project Start Date
1991-11-11
Project End Date
1992-08-01
Related Publications
N/A
Project Categories
  • Environmental Factors
  • Invasive Vegetation
Keywords
  • ilex
  • invasion
  • holly
  • northwest
  • invasive
  • invasives
  • vegetation
  • plants
  • plant
  • Ralph Riley
  • Peter Vitousek
Additional Information
Currently Active
No
Agency
Stanford University
Project Type
Research
Research Forest
N/A
Researcher
Riley, Ralph
Role
C
Collaborators
Vitousek, Peter
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258
Project ID
258

Nutrient and Interference Effects on Three Forest Herb Population Dynamics

Purpose

To investigate the effects of nutrients and interference on groundsel, foxglove, and fireweed population dynamics and succession, two experiements will be conducted. Three nutrient and three competition treatment levels will be arranged in a factorial pl

Project Start Date
1992-03-12
Project End Date
1994-10-01
Related Publications
N/A
Project Categories
  • Environmental Factors
  • Vegetation
Keywords
  • nutrient
  • nutrients
  • interference
  • interferences
  • forest
  • herb
  • population
  • populations
  • herbs
  • groundsel
  • foxglove
  • fireweed
  • weed
  • weeds
  • Eric Hanson
  • Steven Radosevich
Additional Information
Currently Active
No
Agency
OSU
Project Type
Research
Research Forest
N/A
Researcher
Hanson, D. Eric
Role
C
Collaborators
Radosevich, Steven
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308
Project ID
308

Habitat and population biology of Cimicifuga elata

Purpose

The goal of the project is to compare the population structure of Cimicifuga elata in managed vs. unmanaged timber stands. In addition, the project aims to describe variation in habitat of the species over its entire range in Oregon. Plots will be establ

Project Start Date
1992-06-12
Project End Date
1992-09-12
Related Publications
N/A
Project Categories
  • Environmental Factors
  • Vegetation
Keywords
  • Cimicifuga elata
  • Actaea elata
  • buttercup
  • tall bugbane
  • bugbane
Additional Information
Currently Active
No
Agency
OSU
Project Type
Research
Research Forest
N/A
Researcher
Kaye, Thomas
Role
C
Collaborators
N/A
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310
Project ID
310

Concentration of airborn microorganisms at various locations in Oregon

Purpose
N/A
Project Start Date
1993-10-05
Project End Date
1993-10-08
Related Publications
N/A
Project Categories
  • Environmental Factors
  • Weather & Airborne Factors
Keywords
  • concentration
  • concentrations
  • airborn
  • air
  • micro
  • organism
  • organisms
  • various
  • pest
  • control
  • MPCAS
  • sample
  • bacteria
  • bacterial
  • base
  • baseline
  • pollution
  • pollutant
  • USEPA
  • Brenda Shaffer
Additional Information
Currently Active
No
Agency
USEPA Environmental Research Lab
Project Type
Research
Research Forest
N/A
Researcher
Shaffer, Brenda
Role
C
Collaborators
N/A
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322
Project ID
322

Concentration of airborne microorganisms at various locations in Oregon

Purpose

Microbiological Pest Control Agents (MPCA's) are usually applied aerially and are later dispersed from deposition sited into the atmosphere. Air samples are being collected to evaluate the background bacterial load to establish a baseline concentration o

Project Start Date
1993-10-05
Project End Date
1993-10-08
Related Publications
N/A
Project Categories
  • Environmental Factors
  • Weather & Airborne Factors
Keywords
  • Concentration
  • air
  • airborne
  • micro
  • organism
  • organisms
  • microorganisms
  • MPCA
  • pest control
  • sample
  • samples
  • sampling
  • atmosphere
  • bacteria
  • bacteria
  • sample
  • samples
  • base
  • baseline
  • USEPA
  • Brenda Shaffer
Additional Information
Currently Active
No
Agency
USEPA Environmental Research Lab
Project Type
Research
Research Forest
N/A
Researcher
Shaffer, Brenda
Role
C
Collaborators
N/A
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329
Project ID
329

Relationships between chlorophyll, spectral vegetation indices, and photosynthetic potential on the Oregon Transect

Purpose

Construct a tower and analyze vertical variability in photosythetic capacity, chlorophyll, nitrogen, and specific leaf area at three points in time- May/June, September and mid-winter. An ultra-light airplane will fly over the site at this time to collec

Project Start Date
1994-03-01
Project End Date
1997-02-28
Related Publications
N/A
Project Categories
  • Environmental Factors
  • Vegetation
Keywords
  • chlorophyll
  • spectral
  • vegetation
  • photosynthesis
  • photosynthetic
  • transect
  • nitrogen
  • leaf
  • airplane
  • aircraft
  • air
  • Barbara Yoder
Additional Information
Currently Active
No
Agency
OSU
Project Type
Research
Research Forest
N/A
Researcher
Yoder, Barbara
Role
PI
Collaborators
N/A
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338
Project ID
338

Genetic diversity of cimicufuga elata

Purpose

To study genetic diversity over range of cimicifuga elata- only 20 plants from McDonald Dunn, rest from Oregon to B.C.

Project Start Date
1997-06-15
Project End Date
1998-06-15
Related Publications
N/A
Project Categories
  • Environmental Factors
  • Vegetation
Keywords
  • genetic diversity
  • cimicufuga elata
  • Actaea elata
  • tall bugbane
  • bugbane
Additional Information
Currently Active
No
Agency
OSU- Botany and Plant Pathology
Project Type
Research
Research Forest
N/A
Researcher
Gray, Sami
Role
C
Collaborators
Liston, Aaron
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343
Project ID
343

Hypericum perforatum population study

Purpose

A seasonal study of a hypericum perforatum (St. John's Wort) population. Collections of plant tissue will be made over the course of the flowering season. From June to September approximately.

Project Start Date
1998-06-17
Project End Date
1999-09-30
Related Publications
N/A
Project Categories
  • Environmental Factors
  • Vegetation
Keywords
  • Hypericum perforatum
  • St. John's wort
  • wort
  • St. John's
  • Hypericaceae
  • Rosids
Additional Information
Currently Active
No
Agency
USDA Forest Science- Biology and Culture of Forest Plants
Project Type
Research
Research Forest
N/A
Researcher
Vance, Nan
Role
PI
Collaborators
Walker, Loren
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347
Project ID
347

Removal of Bracnypodium sylvaticum re-establishing native species

Purpose

Testing different forms of removal of Brachypodium sylvaticum to establish the most desirable conditions for native species to reestablish themselves.

Project Start Date
1998-10-06
Project End Date
1999-12-31
Related Publications
N/A
Project Categories
  • Environmental Factors
  • Invasive Vegetation
Keywords
  • Bracnypodium sylvaticum
  • false-brome
  • brome
  • false brome
  • slender false brone
  • wood false brome
  • grass
  • Bromus sylvaticus
  • Festuca sylvatica
Additional Information
Currently Active
No
Agency
OSU
Project Type
Research
Research Forest
N/A
Researcher
Pastre, Nicolette
Role
PI
Collaborators
Shenk, Myron
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354
Project ID
354

Linkages among understory vegetation, arthropods, and birds

Purpose

Will involve estimating bird abundance with point counts, capturing birds to collect information on fitness, diet and sampling shrubs for arthropods.

Project Start Date
1999-05-01
Project End Date
1999-08-31
Related Publications
N/A
Project Categories
  • Environmental Factors
  • Vegetation
Keywords
  • linkages
  • linkage
  • understory
  • vegetation
  • athropods
  • arthropod
  • bird
  • birds
  • trophic
  • shrub
  • shrubs
  • insect
  • insects
  • abudance
  • capture
  • capturing
  • fitness
  • diet
  • Joan Hagar
  • Starkey
  • Ed
  • John Tappeiner
Additional Information
Currently Active
No
Agency
OSU
Project Type
Research
Research Forest
N/A
Researcher
Hagar, Joan
Role
PI
Collaborators
Starkey, Ed; Tappeiner, John
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353
Project ID
353

Mechanisms of Invasive Plant Success in the Pacific Northwest

Purpose

Research is devoted to identifying the physiological mechanisms by which invasive alien plants achieve their greater relative competitive success. Study plants include native and alien species of Rubus (blackberry) and Cirsium (thistle). In order to qua

Project Start Date
1999-12-01
Project End Date
2001-12-01
Related Publications
N/A
Project Categories
  • Environmental Factors
  • Invasive Vegetation
Keywords
  • invasive plants
  • invasive
  • rubus
  • cirsium
  • blackberry
  • himilayan
  • thistle
Additional Information
Currently Active
No
Agency
Oregon State University
Project Type
Research
Research Forest
N/A
Researcher
McDowell, Susan
Role
PI
Collaborators
N/A
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361
Project ID
361

Seed Predation of Gleditsia species.

Purpose

Put out some seed caches of Gleditsia pods and observe their predation and removal over a short time period. These will be approximately 1 meter square in size at three locations: 1- an open area, 2- older forest stand, 3-young forest stand.

Project Start Date
2000-02-01
Project End Date
2000-03-31
Related Publications
N/A
Project Categories
  • Environmental Factors
  • Browsing
Keywords
  • Gleditsia
  • seed predation
  • Fabaceae
  • Caesalpinioideae
  • Legumes
  • honeylocust
  • locust
Additional Information
Currently Active
No
Agency
Oregon State University
Project Type
Research
Research Forest
N/A
Researcher
Radosevich, Steven
Role
PI
Collaborators
Ghersa, Claudio
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359
Project ID
359

Consequences of Canopy Interception for Stability of Slopes

Purpose

For field validation of a model that will describe the short term variation in canopy storage of rainfall. The goal is to determine 1)the contribution of canopy interception of rainfall to stability of slopes by its effects on short term water balance on

Project Start Date
2000-11-30
Project End Date
2003-07-31
Related Publications
Keim, R.F., and A.E. Skaugset. 2003. Modelling effects of forest canopies on slope stability. Hydrological Processes 17:1457-1467.
Project Categories
  • Environmental Factors
  • Weather & Airborne Factors
Keywords
  • consequences
  • canopy
  • canopies
  • interception
  • stability
  • slope
  • slopes
  • rain
  • rainfall
  • storage
  • water
  • balance
  • hydrology
  • Richard Keim
Additional Information
Currently Active
No
Agency
OSU Forest Engineering
Project Type
Research
Research Forest
N/A
Researcher
Keim, Richard
Role
PI
Collaborators
N/A
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368
Project ID
368

Effects of soil management on induced resistance of plants

Purpose

Soils will be collected from four extremely different management conditions. The soils will be analyzed for various characteristics such as organic matter content, organic carbon content, pH, and for various nutrients. A tomato bioassay in a controlled

Project Start Date
2001-01-01
Project End Date
2001-12-01
Related Publications
N/A
Project Categories
  • Environmental Factors
  • Soil
Keywords
  • Effect
  • effects
  • soil
  • soils
  • resistance
  • resistances
  • plant
  • plants
  • induce
  • induced
  • matter
  • PH
  • carbon
  • tomato
  • tomatos
  • Alex Stone
Additional Information
Currently Active
No
Agency
Oregon State University
Project Type
Research
Research Forest
N/A
Researcher
Stone, Alex
Role
PI
Collaborators
N/A
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369
Project ID
369

Establishment of Epiphytic Bryophytes on vine maple stems

Purpose

Monitor the recruitment success of propagules of epiphytic bryphytes sown on stem segments of vine maple. A rack supporting approximately 225 stem segments of vine maple will be placed under the canopy of a mature stand. The stem segments will be innocu

Project Start Date
2001-04-10
Project End Date
2002-04-10
Related Publications
N/A
Project Categories
  • Environmental Factors
  • Vegetation
Keywords
  • Epiphytic bryophytes
  • lichen
  • biomass
  • moss
  • mosses
Additional Information
Currently Active
Yes
Agency
Oregon State University- Botany and Plant pathology
Project Type
Research
Research Forest
N/A
Researcher
Kimmerer, Robin W.
Role
PI
Collaborators
Davis, Kent
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372
Project ID
372

Seed collection and evaluation of understory native grasses

Purpose

To collect up to 50 grams of seed of Melica sp. And Festuca sp. And describe their habitat, plant community, and associated species. Seed will be used to evaluate seed characteristics and grow out a limited number of specimen plants for further evaluatio

Project Start Date
2001-06-01
Project End Date
2002-09-30
Related Publications
N/A
Project Categories
  • Environmental Factors
  • Vegetation
Keywords
  • seed
  • seeds
  • collecting
  • collect
  • collection
  • understory
  • native
  • natives
  • grass
  • grasses
  • plant
  • plants
  • habitat
  • habitats
  • associated
  • associate
  • Melica
  • Festuca
  • USDA
  • Dale Darris
Additional Information
Currently Active
Yes
Agency
USDA Natural Resources Conservation Service
Project Type
Research
Research Forest
N/A
Researcher
Darris, Dale C.
Role
PI
Collaborators
N/A
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375
Project ID
375

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