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34 records found

Impacts of alternative silvicultural systems on genetic diversity in Douglas-fir

Purpose

To study the genetic impacts of alternative silviculture systems. The intent is to sample foliage from overstory trees in each treatment of the Tappeiner/McComb Silviculture study. They would like to sample one treatment from each of the 3 stands. The

Project Start Date

1992-02-17

Project End Date

1992-12-31

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Adams, W.T.

Role

Collaborators

Shimutzu, Jarbas

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301

Project ID

301

Douglas-fir bark chlorophyll concentration

Purpose

Measure chlorophyll concentration per unit area in Douglas-fir bark.

Project Start Date

1992-11-02

Project End Date

1992-11-02

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

DeBell, Jeff

Role

Collaborators

Gartner, Barbara

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313

Project ID

313

Chemical content of western red cedar

Purpose

This project is a study of the within-tree variation of thujaplien, the chemical that gives cedar its resistance to decay. Cross-sections will be removed at 2 meter intervals along the bole. A total of ten individuals will be destructively sampled.

Project Start Date

1993-07-01

Project End Date

1993-10-01

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

DeBell, Jeff

Role

Collaborators

Gartner, Barbara

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321

Project ID

321

Control of flowering in hybrid poplars

Purpose

N/A

Project Start Date

1994-04-01

Project End Date

1999-09-01

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Strauss, Steven H.

Role

Collaborators

N/A

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334

Project ID

334

Control of Flowering in Hybrid Poplars

Purpose

Hybrid poplar trees will be grown to serve as a source of tissue for tissue culture experiments. Many of these trees will be treated to force early flowering by a variety of means. Genetically engineered trees will be planted after permits are acquired.

Project Start Date

1994-04-01

Project End Date

2020-01-01

Project Categories

Keywords

Additional Information

Currently Active

Yes

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Strauss, Steven H.

Role

Collaborators

N/A

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332

Project ID

332

Effects of compression wood on hydraulic conductivity in Douglas-fir branches

Purpose

Compression wood forms on the undersides of branches to support their weight against gravity. I have found in previous hydraulic work that this compression wood conducts very little water. In this study, I plan to measure hydraulic conductivity both wit

Project Start Date

1995-06-08

Project End Date

1995-06-30

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Gartner, Barbara

Role

Collaborators

Spicer, Rachel

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333

Project ID

333

Effects of compression wood on hydraulic conductivity in Douglas-fir branches

Purpose

N/A

Project Start Date

1995-06-08

Project End Date

1995-06-30

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Gartner, Barbara

Role

Collaborators

Spicer, Rachel

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336

Project ID

336

Determinants of Sapwood quantity in Douglas-Fir

Purpose

What effects is sapwood or hardwood on a major effect on how the wood is produced and used.

Project Start Date

1997-07-01

Project End Date

2001-12-31

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Christopher, Jean

Role

Collaborators

Gartner, Barbara

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349

Project ID

349

Determinants of Sapwood

Purpose

The cores are taken and then transported back to the lab for Gas Chromatograph analysis. Through seasonal sampling and their means, we are trying to gain an understanding as to the contributions of stem respiration to the Carbon Budgets of forest ecosyst

Project Start Date

1998-11-01

Project End Date

1999-12-31

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Pruyn, Michele

Role

Collaborators

Gartner, Barbara

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355

Project ID

355

Apical Control of Stemwood Growth in Douglas-fir

Purpose

Better understand apical control and carbon allocation in conifers.

Project Start Date

2000-04-23

Project End Date

2000-12-31

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU- Forest Products

Project Type

Research

Research Forest

N/A

Researcher

Gartner, Barbara

Role

Collaborators

Kaye, Thomas; Wilson, Bill

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365

Project ID

365

Flowering Control in Transgenetic Trees: Stability and RNAi Gene Suppression

Purpose

Impacts from escape of transgenes into wild populations has emerged as a major issue of debate over use of genetically modified crops. This concern is particularly important for forest plantations because trees are capable of extensive gene dispersal and

Project Start Date

2001-01-12

Project End Date

2008-12-30

Project Categories

Keywords

Additional Information

Currently Active

Yes

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Strauss, Steven H.

Role

Collaborators

N/A

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386

Project ID

386

Water Relations of Trees in Western Oregon

Purpose

This project involves monitoring the changes in water relations characteristics of 7 species of trees located in this area. The species are Ponderosa Pine, Douglas fir, Madrone, Oak, Big-leaf mapel, grand fir, and hazelnut. Trees will be sampled 6 times

Project Start Date

2002-06-20

Project End Date

2004-06-20

Project Categories

Keywords

Additional Information

Currently Active

Yes

Agency

OSU Botany

Project Type

Research

Research Forest

N/A

Researcher

Davis, Kent

Role

Collaborators

Zobel, Donald B.

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384

Project ID

384

Heartwood Development in Douglas-fir

Purpose

To monitor over the course of a year the relationship between energy reserve materials in the sapwood and phloem, and the quantity of extractives deposited in the newly formed heartwood. Three treatment groups, consisting of 10 trees each, will be create

Project Start Date

2002-12-12

Project End Date

2003-11-30

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU Wood Science and Engineering

Project Type

Research

Research Forest

N/A

Researcher

Taylor, Adam

Role

Collaborators

Gartner, Barbara; Morrell, Jeffrey J.

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388

Project ID

388

Radial Gradients of axial flow in hardwoods

Purpose

The knowledge of how trees work has been researched for many years, but due to their complexity there are still many questions to answer. Little research has been conducted related to sapwood structures that link the radial water movement and its contrib

Project Start Date

2003-07-01

Project End Date

2004-09-30

Project Categories

Keywords

Additional Information

Currently Active

Yes

Agency

OSU Wood Science and Engineering

Project Type

Research

Research Forest

N/A

Researcher

Fallas Cedeno, Lotties

Role

Collaborators

Gartner, Barbara

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Import Unique ID

395

Project ID

395