Index Catalog // ScholarsArchive@OSU

Modeling Tree Size Distribution in Young Douglas-fir Plantations to Facilitate Tree List Generation for Growth Model Initiation at Different Ages and under Differing Silvicultural Regimes

Creator:: Uranga, Martin
Abstract:: Two key challenges emerge when initiating individual-tree growth models for bare ground or very young plantations. Both involve the need for a list of individual trees with known or predicted size and known expansion factor (number of trees per unit of area represented by each tree). In the case of...
Resource Type:: Dissertation

Estimation of leaf area index and simulation of evapotranspiration for intensively managed Douglas-fir forests

Creator:: Rogers, Nicole S.
Abstract:: Understanding the tradeoff between water use and productivity is critical for modeling growth of intensively managed Douglas-fir forests in the Pacific Northwest. Evapotranspiration is closely linked to carbon dioxide intake during the process of photosynthesis. However, summer drought characterizing the growing season in this region imposes a limit on carbon...
Resource Type:: Masters Thesis

Determining ploidy level and nuclear DNA content in Rubus by flow cytometry

Creator:: Meng, Rengong
Abstract:: Nuclear DNA flow cytometry was used to differentiate ploidy level and determine nuclear DNA content in Rubus. Nuclei suspensions were prepared from leaf discs of young leaves following published protocols with modifications that included: increasing the stain concentration, adding the stain after the RN ase treatment instead of adding it...
Resource Type:: Masters Thesis

Gas injection consolidation of miniature natural fiber beams

Creator:: Kim, Jae-Woo
Abstract:: The internal structure of natural fiber composites can be manipulated by controlling the spatial distribution of fiber orientation and internal chemical and thermodynamic conditions during their consolidation. Objects highly tailored to specific service demands may thereby be produced. Techniques to form miniature structural beams from oriented hemp and random wood...
Resource Type:: Dissertation

Wood quality studies in second-growth western redcedar (Thuja plicata Donn.)

Creator:: DeBell, Jeffrey D.
Abstract:: Western redcedar (Thuja plicata Donn.) is a valuable commercial species found in the northwestern United States and southwestern Canada. This dissertation includes four papers focused on wood and stem characteristics of second-growth western redcedar, and how those characteristics vary within the stem or how they are influenced by cultural practices....
Resource Type:: Dissertation

Growing stock assessment and growth prediction system for managed hill dipterocarp forest of Peninsular Malaysia

Creator:: Kassim, Abd. Rahman
Abstract:: The silviculture of mixed dipterocarp forests of Peninsular Malaysia can potentially be improved by developing quantitative tools and guidelines for this forest type. This thesis addresses three key objectives; 1) to test the hypothesis that a maximum size-density relationship can be identified in hill dipterocarp forests of Peninsular Malaysia, 2)...
Resource Type:: Dissertation

Spatial characterization and analysis of forests in the Mount Bachelor volcanic chain, central Oregon

Creator:: Huang, Jing, 1964-
Abstract:: Forest spatial pattern is a primary interest of landscape ecology due to the relationships between spatial configuration of biotic components and ecological processes. The spatial pattern must be measured in meaningful ways so that relationships between forests and their environment can be analyzed. Aerial and satellite imageries provide ecologists a...
Resource Type:: Dissertation

Disaggregative and individual-tree growth models in theory and application

Creator:: Ritchie, Martin W.
Abstract:: Disaggregative and individual-tree/distance-independent modeling methods are compared and contrasted. Differences between the two are related to differences in functional and apparent resolution and may be illustrated using aggregation theory. When considering models of different levels of resolution describing a given phenomenon, invariance with respect to the aggregation implied (symmetry) may...
Resource Type:: Dissertation

The effects of simulated thinning treatments on volume and value of 65- to 80- year old stands dominated by noble fir on the Warm Springs Indian Reservation, Oregon

Creator:: Stinson, Julie D.
Abstract:: Very little is known about thinning 65- to 80- year-old noble fir dominated stands. There is a need for such information on the Warm Springs Indian Reservation (WSIR), Oregon where 65- to 80- year-old, high elevation, noble fir dominated stands are being managed. The objectives of this study were to...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Modeling Tree Size Distribution in Young Douglas-fir Plantations to Facilitate Tree List Generation for Growth Model Initiation at Different Ages and under Differing Silvicultural Regimes

Estimation of leaf area index and simulation of evapotranspiration for intensively managed Douglas-fir forests

Determining ploidy level and nuclear DNA content in Rubus by flow cytometry

Gas injection consolidation of miniature natural fiber beams

Wood quality studies in second-growth western redcedar (Thuja plicata Donn.)

Growing stock assessment and growth prediction system for managed hill dipterocarp forest of Peninsular Malaysia

Spatial characterization and analysis of forests in the Mount Bachelor volcanic chain, central Oregon

Disaggregative and individual-tree growth models in theory and application

The effects of simulated thinning treatments on volume and value of 65- to 80- year old stands dominated by noble fir on the Warm Springs Indian Reservation, Oregon

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