Index Catalog // ScholarsArchive@OSU

A comparison of prediction models for cover type transitions and their effects on harvest schedules in coastal Oregon

Creator:: Eng, Helge
Abstract:: There is considerable uncertainty associated with stand establishment in coastal Oregon. Several species can gain control of the site depending on stand conditions as well as management practices. In this study, three cover type transition models were developed using data from the Siuslaw National Forest to predict stand establishment patterns...
Resource Type:: Dissertation

Economic analysis of integrating spatial concerns into harvest scheduling

Creator:: Yoshimoto, Atsushi
Abstract:: An analytical algorithm to formulate a sparser set of adjacency constraints than the conventional algorithm is proposed. Utilizing matrix algebra applied to an adjacency matrix, constraints are systematically and efficiently derived by the proposed algorithm. The proposed algorithm is proved to provide a true set of adjacency constraints in the...
Resource Type:: Dissertation

Spatially explicit inter-temporal forest management decision under the risk of fire

Creator:: Konoshima, Masashi
Abstract:: This paper presents a framework for analyzing efficient spatial allocation of forest management efforts - fuel treatment and harvest - under the risk of fire. The framework integrates a fire behavior model and a spatially-explicit stochastic dynamic optimization model. I investigate the effects of spatial interaction across plots during forest...
Resource Type:: Dissertation
Full Text:: fire simulation model and an optimiza- tion model to examine the optimal forest management strategy

Analysis methods for modeling tree and stand growth responses to fertilization and thinning

Creator:: Wang, Chao-huan
Abstract:: This paper describes methods that can be used to evaluate stand and tree growth response to a single application of fertilization and/or thinning with data collected from multiple installations. Two kinds of methods were proposed: (1) structure analysis which applies covariance analysis in a blocked design with and without sampling...
Resource Type:: Dissertation

A multivariate control solution to the mixed species/diameter class thinning and final rotation problem

Creator:: Cousar, Paul K.
Abstract:: The algorithm RLS-PLUS was developed to yield solutions to the multivariate control problem of diameter and species optimization for mixed conifer and hardwood stands. The problem is specified with twenty-five state variables consisting of five species groups with four merchantable diameter classes and one unmerchantable class. This gives twenty diameter...
Resource Type:: Masters Thesis

Generation of an animation interface for ORGANON

Creator:: Hanus, Mark L.
Abstract:: The focusing of public attention on the practices of forest managers has resulted in the need for new tools to help explain the results of these practices. The traditional tools of tables and graphs of numerical values require a significant investment in learning the forestry profession. Once the investment is...
Resource Type:: Masters Thesis

Using a heuristic programming method for incorporating wildlife habitat constraints into spatial harvest scheduling on the Elliott State Forest

Creator:: Lennette, Marie
Abstract:: The Elliott State Forest, located in the Coast Range of Oregon, is currently revising their Habitat Conservation Plan (HCP). Many of the constraints in the HCP are spatial, requiring identification of specific parcels in order to limit activity along habitat reserves, limit harvest opening size, and to coordinate activities within...
Resource Type:: Masters Thesis
Full Text:: harvest units. To model the Elliott, the state forest planning team divided the 93,000 acres into 17

Measuring the economic impact of forests on neighboring properties

Creator:: Kim, Yeon-Su
Abstract:: This thesis investigated the contribution of the forest to neighboring property prices and explored the possible impacts from different neighboring forest characteristics with the hedonic property price model. The quadratic Box-Cox model was applied to choose the proper functional form. The square root model was chosen to be the interpretable...
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

ScholarsArchive@OSU

A comparison of prediction models for cover type transitions and their effects on harvest schedules in coastal Oregon

Economic analysis of integrating spatial concerns into harvest scheduling

Spatially explicit inter-temporal forest management decision under the risk of fire

Analysis methods for modeling tree and stand growth responses to fertilization and thinning

A multivariate control solution to the mixed species/diameter class thinning and final rotation problem

Generation of an animation interface for ORGANON

Using a heuristic programming method for incorporating wildlife habitat constraints into spatial harvest scheduling on the Elliott State Forest

Measuring the economic impact of forests on neighboring properties

Disaggregative and individual-tree growth models in theory and application

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