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2 records found

The establishment of Douglas-fir reproduction in relation to certain natural environmental factors

Purpose

To study site factors affecting establishment and to determine what percent of the original stand must be removed to induce regeneration.

Project Start Date
 
Project End Date
1934-06-01
Related Publications
Tiedmann, Henry. The establishment of Douglas-fir reproduction in relation to certain natural environmental factors. June 1934, M.S. Thesis, Technical Forestry, Oregon State College, School of Forestry.
Project Categories
  • Forest Management
  • Reforestation & Restoration
Keywords
  • Douglas fir
  • Douglas-fir
  • douglas fir reproduction
  • reproduction
  • douglas-fir regeneration
  • douglas fir regeneration
  • induce regeneration
  • environmental factors
  • establishment
  • viability
  • gaps
  • gap
  • clearing
  • clearing size
  • Henry tiedmann
  • tiedmann
Additional Information
Currently Active
No
Agency
Oregon State College
Project Type
Research
Research Forest
N/A
Researcher
Tiedmann, Henry
Role
PI
Collaborators
N/A
Debug Fields
Fields that will be removed when going live.
Import Unique ID
13
Project ID
13

Interference between over and understory on Douglas-fir seedlings at different gap positions

Purpose

Plant moisture stress, light availability, height, diameter, and vigor of seedlings will be compared to different amounts of understory vegetation and distance to the overstory of the gaps.

Project Start Date
2002-08-01
Project End Date
2002-10-31
Related Publications
N/A
Project Categories
  • Trees
  • Seed Viability
Keywords
  • Interference
  • interferences
  • understory
  • under
  • douglas fir
  • douglas-fir
  • pseudotsuga menziesii
  • seedling
  • seedlings
  • seed
  • seeds
  • gap
  • gaps
  • vigor
  • growth
  • overstory
  • Alexa Michel
  • Klaus Puetttmann
Additional Information
Currently Active
No
Agency
OSU Forest Sciences
Project Type
Research
Research Forest
N/A
Researcher
Michel, Alexa
Role
PI
Collaborators
Puetttmann, Klaus
Debug Fields
Fields that will be removed when going live.
Import Unique ID
387
Project ID
387

College of Forestry
Oregon State University
Corvallis, OR 97331-5704
Tel: 541-737-2004
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