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Filtering by: Alternative title ssim SG 51 Degree Field Forest Science File Format application/pdf

Nitrogen dynamics across silvicultural canopy gaps in young forests of western Oregon

Creator:

Thiel, Aaron L.

Abstract:

Silvicultural canopy gaps are emerging as an alternative management tool to accelerate development of complex forest structure in young, even-aged forests of the Pacific Northwest. I investigated patterns of nitrogen (N) availability along transects through 0.1 and 0.4 ha silvicultural gaps in three 50-70 year old Douglas-fir forests of western...

Resource Type:

Masters Thesis

Full Text:

and SG), two 40 m from the gap center at the gap edge (NE and SE), two 20 m into the forest matrix
Patterns in understory vegetation communities across canopy gaps in young, Douglas-fir forests of western Oregon

Creator:

Fahey, Robert T.

Abstract:

Canopy gap formation is a major factor contributing to maintenance of overstory species diversity and stand structure in forests and may be integral to development of understory shrub and herb layers as well. Acknowledgement of gap formation as a fundamental feature of natural forests has led to consideration of gaps...

Resource Type:

Masters Thesis
Evaluating the effectiveness of commonly used herbaceous weed control regimes in a Pacific Northwest conifer plantation

Creator:

Dinger, Eric

Abstract:

Early in the establishment of Pacific Northwest conifer plantations, herbaceous weeds often decrease seedling growth through competition for soil moisture during the dry summer months. Critical period studies have reported that reductions in competitive weed cover are necessary during the initial years of establishment to avoid reductions in seedling growth....

Resource Type:

Masters Thesis

Full Text:

.............................................................................................. 51 11. Mean total vegetation cover by treatment across the four survey dates