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Some factors in the development of northwestern entomology

Creator:: Bonnell, Daniel Ernest
Resource Type:: Dissertation
Full Text:: : Buprestid.ae. 1938. Doctor's Thesis Thoiipson, B. G. The Aegeridae of the Pacific Northwest. 1938. 1

Applications of Soil Science in Forest Landscape Planning : Challenges and Opportunities in the 21st Century

Creator:: Craigg, Terry Lee
Abstract:: Soils and other resource programs in both public land management agencies and private industry are continually being adapted to the challenges of evolving knowledge and experience in the field of forestry. This dissertation explores new ways of thinking about and using soils information in forest planning and management, with a...
Resource Type:: Dissertation
Full Text:: Pacific Northwest lands. At the core of this work are the concepts of soil quality, in particular, the

Case studies of red alder and Sitka alder in Douglas-fir plantations : nitrogen fixation and ecosystem production

Creator:: Binkley, Dan
Abstract:: Seven case studies of 11 ecosystems were used to examine the effects of nitrogen-fixing alders in Douglas-fir plantations. The first case study quantified nitrogen (N) fixation and aboveground net primary production in a young Sitka alder [Alnus sinuata (Regel) Rydb.] ecosystem. At 5 yr of age, the N fixation (C₂2H₂...
Resource Type:: Dissertation
Full Text:: ). Strategies for incorporating red alder into forest management in the Pacific Northwest include short and

Survival and development of the flat-headed fir borer in forest residues as affected by host and microclimatic conditions

Creator:: Scott, Donald Wayne
Abstract:: The purpose of this study was to examine various host and microclimatic influences affecting the survival and development of the flatheaded fir borer, Melanophila drummondi (Kirby) in Douglas fir, Pseudotsuga menziesii (Mirbel) Franco residues. It also expands current knowledge of the biology, bionomics, life history, ecology, and biotic potential for...
Resource Type:: Dissertation
Full Text:: . Special thanks are due to Boyd E. Wickman of the U.S. Forest Service's Pacific Northwest Forest and

Forest Harvest Residue Moisture Management in the Pacific Northwest, USA

Creator:: Belart Lengerich, Maria Francisca
Abstract:: Moisture content management is a key requirement to improve forest harvest residue economics for bioenergy production. This dissertation aims to contribute towards better management through these three general objectives (1) Determine average moisture content of fresh forest harvest residues and its changes over the different seasons of the year, focusing...
Resource Type:: Dissertation
Full Text:: Residue Moisture Management in the Pacific Northwest, USA by Maria Francisca Belart Lengerich

Forage production, dual use potential, and trait variation in chicory grown in the Pacific Northwest

Creator:: Seeno, Elizabeth
Abstract:: Grasslands in the Pacific Northwest are characterized by seasonally wet, acidic soils that mainly support cool season grasses and a limited number of legume species. A major limitation to efficient animal production in grass-dominant pastures is the decline in the herbage growth rate and nutritional quality of forage from late...
Resource Type:: Dissertation
Full Text:: Pacific Northwest Abstract approved: ______________________________________________________

Evaluating the Attractiveness of Pacific Northwest Native Plants to Insects and Gardeners

Creator:: Anderson, Aaron G.
Abstract:: Due to a growing body of literature documenting declines in pollinator populations, there has been increased public interest in pollinator conservation. In urban and suburban landscapes, many gardeners and urban land managers are interested in gardening for pollinators, particularly bees. Simultaneously, many homeowners and municipalities are interested in other aspects...
Resource Type:: Dissertation
Full Text:: , 2022. Title: Evaluating the Attractiveness of Pacific Northwest Native Plants to Insects and

The street tree problem for the Pacific Northwest

Creator:: Neill, John Wesley
Abstract:: A regional analysis of the street tree problem has been undertaken in order to evolve a system of tree classification which would be useful to city planners, arborists, and landscape architects who have the responsibility of selecting trees to fulfill their design requirements for the city street. Three lines of...
Resource Type:: Dissertation
Full Text:: STREET TREE PROBLEM FOR THE PACIFIC NORTHWEST Abstract approved (Major rofessor) A regional

Potential carbon storage at the landscape scale in the Pacific Northwest, U.S.A.

Creator:: Smithwick, Erica Ann Hoffa
Abstract:: Estimates of potential carbon (C) storage can be used to constrain predictions of future carbon sequestration and to understand the degree to which disturbances, both natural aid anthropogenic, affect C storage. An upper bound on C storage in the Pacific Northwest (PNW) of the United States was estimated using field...
Resource Type:: Dissertation
Full Text:: : Potential Carbon Storage at the Landscape Scale in the Pacific Northwest, U.S.A. Abstract approved

Anthropogenic activities associated with the status of salmon stocks in Pacific Northwest watersheds

Creator:: Mrakovcich, Karina Lorenz
Abstract:: Stocks of salmon are declining in the Pacific Northwest. Based on region-wide studies that list and categorize the status of salmon stocks (Nehlsen et al., 1991; Huntington et al., 1994; and Nawa, 1995), I analyze the watersheds where stocks of salmon spawn for several anthropogenic variables, most of which are...
Resource Type:: Dissertation
Full Text:: LIST OF FIGURES FIGURE PAGE IV. 1 The nine salmon management regions of the Pacific Northwest

ScholarsArchive@OSU

Some factors in the development of northwestern entomology

Applications of Soil Science in Forest Landscape Planning : Challenges and Opportunities in the 21st Century

Case studies of red alder and Sitka alder in Douglas-fir plantations : nitrogen fixation and ecosystem production

Survival and development of the flat-headed fir borer in forest residues as affected by host and microclimatic conditions

Forest Harvest Residue Moisture Management in the Pacific Northwest, USA

Forage production, dual use potential, and trait variation in chicory grown in the Pacific Northwest

Evaluating the Attractiveness of Pacific Northwest Native Plants to Insects and Gardeners

The street tree problem for the Pacific Northwest

Potential carbon storage at the landscape scale in the Pacific Northwest, U.S.A.

Anthropogenic activities associated with the status of salmon stocks in Pacific Northwest watersheds

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