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7 records found

Levels of Growing Stock Demonstration Area

Purpose

This study includes three levels of growing stock and one control plot. One plot is thinned to a constant basal area about every 10 yrs..; one plot allows the basal area to increase at each periodic thinning; and one plot follows the Britining guidelines

Project Start Date

1962-01-01

Project End Date

2000-12-31

Project Categories

Keywords

Additional Information

Currently Active

Yes

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Tappeiner, John

Role

Collaborators

N/A

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Bigleaf Maple Germination Study

Purpose

The project is attempting to determine how germination and survival of bigleaf maple germinants vary from stand to stand and to identify the importance of seed-preying rodents in maple seedling distribution.

Project Start Date

1983-10-01

Project End Date

1985-06-01

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Fried, Jeremy

Role

Collaborators

Tappeiner, John

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Fields that will be removed when going live.

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202

Project ID

202

Growth and Yield for Eastern and Western Oregon

Purpose

Site modification: 1. Artificially shade four branches/tree; 2. Prune off four branches/tree; 3. Clip all secondary branches off four primary branches/tree; 4. Destructively sample all four trees at termination of the experiment. Objective is t

Project Start Date

1984-03-08

Project End Date

1988-09-01

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Maguire, Douglas A.

Role

Collaborators

Tappeiner, John

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213

Project ID

213

Establishment and Early Seedling Growth of Red Alder

Purpose

Project will investigate factors affecting seedling establishment and early seedling growth of red alder. Plots in clearcut and in forested areas are exposed to different levels of soil disturbance and then broadcast seeded with red alder. Survival and

Project Start Date

1985-12-01

Project End Date

1987-09-30

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Haeussler, Sybille

Role

Collaborators

Tappeiner, John

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235

Project ID

235

Predicting Bigleaf Maple Regrowth from Preharvest Conditions

Purpose

This study will: 1.) Develop regression models that predict the number, size,and growth rate of bigleaf maple clumps based on the number and size of clumps prior to harvest. 2.) Determine the influence of preharvest cutting treatments, time of treatment

Project Start Date

1989-05-15

Project End Date

1995-10-31

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Tappeiner, John

Role

Collaborators

Maxwell, Bruce; Zasada, John

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270

Project ID

270

Alternative Silvicultural Systems

Purpose

In order to develop stand management alternatives to manage both timber and wildlife, two storied stands (shelterwood), small group regeneration cuts (1-1.5 acres) and clearcuts will be installed on McDonald and Dunn Forests in 1989, 1990 and 1991. Treat

Project Start Date

1989-05-29

Project End Date

1999-06-30

Project Categories

Keywords

Additional Information

Currently Active

Yes

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

McComb, Bill

Role

Collaborators

Tappeiner, John

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272

Project ID

272

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

Project Categories

Keywords

Additional Information

Currently Active

Agency

OSU

Project Type

Research

Research Forest

N/A

Researcher

Hagar, Joan

Role

Collaborators

Starkey, Ed; Tappeiner, John

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353

Project ID

353