Index Catalog // ScholarsArchive@OSU

A characterization of unmanaged riparian overstories in the central Oregon Coast Range

Creator:: Nierenberg, Tara R.
Abstract:: Riparian areas that can be used as reference sites on which to base goals of vegetation restoration have not been documented in the Oregon Coast Range. I examined the composition and distribution of unmanaged riparian overstories in the central Oregon Coast Range along nine streams which have experienced minimal disturbance...
Resource Type:: Masters Thesis

A new index for describing the structural complexity of forests

Creator:: Zenner, Eric K.
Abstract:: Despite the critical ecological roles of structural features in forests, ecologically relevant quantitative measures of structure that allow comparisons among forest stands are still limited. A new index, the structural complexity index (SCI), was developed to characterize and compare the structural complexity of different forests. Point patterns of stem-mapped trees...
Resource Type:: Dissertation

A plant association classification for McDonald-Dunn Forest

Creator:: Hubbard, Connie J.
Abstract:: The purpose of this study was to develop a plant association classification for the mature coniferous forests of the McDonald and Paul M. Dunn Research Forests. A secondary objective was to quantify diversity within the plant associations. This Forest is approximately 11,000 acres and is located 6 miles to the...
Resource Type:: Masters Thesis

A sustainable resource development plan framework for the Neskonlith Indian Band, British Columbia

Creator:: Mackasey, J. Patrick
Abstract:: A sustainable resource development plan framework was prepared for the Neskonlith Indian Band, who are located in the interior of British Columbia, Canada. The framework intends to address issues involving; integrated resource management, traditional native land management, ecosystem management, and community-based resource management. A soft systems (Wilson & Morren, 1990)...
Resource Type:: Masters Thesis

Animal damage, vegetative competition and growth of western hemlock seedlings in the Coast Range of Oregon

Creator:: Hyatt, Joan Marie
Abstract:: The growth of western hemlock during the first four years of seedling establishment was examined in a competitive environment in which seedlings were exposed to various types of animal damage and salmonberry and/or alder competition. The study utilized an existing Nelder/replacement series experiment which focused on the competitive effects among...
Resource Type:: Masters Thesis

Associations of forest floor vertebrates with coarse woody debris in managed forests, western Oregon Cascades

Creator:: Butts, Sally R.
Abstract:: Forest floor vertebrate species presence and abundance may be influenced by the volume and cover of coarse woody debris (CWD) in managed forests. I studied macro- and microhabitat associations of vertebrate species in 18 closed-canopy stands ranging in CWD volume from 14 to 859 m3/ha. Pitfall traps were used to...
Resource Type:: Masters Thesis

Autecological studies of two annual herbs, Senecio sylvaticus and Epilobium paniculatum : effects of biotic and abiotic factors

Creator:: Geyer, Melora Arnason
Abstract:: I used greenhouse and field studies to investigate how intraspecific and interspecific competition, soil disturbance, and fertilization affect the biomass and reproductive output of Senecio sylvaticus and Epilobium paniculatum, common winter annuals which invade and dominate western Cascades forests during the first two seasons after clearcutting and slashburning. Field work...
Resource Type:: Masters Thesis

Biologic activity in two western Oregon Douglas-fir stands : a research link to management

Creator:: Hope, Sharon Margaret
Abstract:: Information about forest substrate respiration, nitrogenase activity and mineralizable nitrogen may be incorporated into carbon and nitrogen budgets that comprise an important element of forest management planning. In this study, substrate respiration, nitrogenase activity and mineralizable nitrogen were measured in two western Oregon Douglas-fir [Pseudotsuga menziesii (Mirb.) Franco] stands within...
Resource Type:: Masters Thesis

Bird communities in commercially thinned and unthinned Douglas-fir stands in western Oregon

Creator:: Hagar, Joan C.
Abstract:: I studied species' abundances and habitat relationships of breeding and winter birds in commercially thinned and unthinned Douglas-fir (Pseudotsuga menziesii) stands from May 1989 to June 1991. The study was conducted in 40- to 55-year old stands in the Central Oregon Coast Ranges and the Tillamook State Forest. Total abundance...
Resource Type:: Masters Thesis

Bird communities in managed conifer stands in the Oregon Cascades : habitat associations and nest predation

Creator:: Vega, Robyn M. S.
Abstract:: Green-tree retention is being implemented on state and federal lands in Oregon. Silvicultural prescriptions with tree and snag retention are thought to mimic natural disturbance patterns in the Pacific Northwest more closely than traditional silvicultural practices, which reduce structural complexity. The effects of green-tree retention on native bird species in...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

A characterization of unmanaged riparian overstories in the central Oregon Coast Range

A new index for describing the structural complexity of forests

A plant association classification for McDonald-Dunn Forest

A sustainable resource development plan framework for the Neskonlith Indian Band, British Columbia

Animal damage, vegetative competition and growth of western hemlock seedlings in the Coast Range of Oregon

Associations of forest floor vertebrates with coarse woody debris in managed forests, western Oregon Cascades

Autecological studies of two annual herbs, Senecio sylvaticus and Epilobium paniculatum : effects of biotic and abiotic factors

Biologic activity in two western Oregon Douglas-fir stands : a research link to management

Bird communities in commercially thinned and unthinned Douglas-fir stands in western Oregon

Bird communities in managed conifer stands in the Oregon Cascades : habitat associations and nest predation

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