Index Catalog // ScholarsArchive@OSU

Ecological Restoration and Artificial Intelligence: Whose Values Inform a Project?

Creator:: Woodrich, Samuel T. and Pape, Timothy
Abstract:: Significant attention has been given to how artificial intelligence (AI) can be utilized by society and in scientific fields in recent years. This article explores how AI tools utilized in various fields have been and can be applied to ecological restoration projects, their affiliated benefits and drawbacks, and what those...
Resource Type:: Article
Full Text:: . Woodrich1,2, Timothy Pape3 1Environmental Sciences Department, Oregon State University, Corvallis, OR 97331

Response of Higbbush Blueberry to Nitrogen Fertilizer during Field Establishment-II. Plant Nutrient Requirements in Relation to Nitrogen Fertilizer Supply

Creator:: Bryla, David R., Strik, Bernadine C., Banados, M. Pilar, and Righetti, Timothy L.
Abstract:: A study was done to determine the macro- and micronutrient requirements of young northern highbush blueberry plants (Vaccinium corymbosum L. ‘Bluecrop’) during the first 2 years of establishment and to examine how these requirements were affected by the amount of nitrogen (N) fertilizer applied. The plants were spaced 1.2 ×...
Resource Type:: Article
Full Text:: to Nitrogen Fertilizer Supply David R. Bryla 1,4 U.S. Department of Agriculture, Agricultural

Response of Highbush Blueberry to Nitrogen Fertilizer During Field Establishment, I: Accumulation and Allocation of Fertilizer Nitrogen and Biomass

Creator:: Pilar Banados, M., Strik, Bernadine C., Bryla, David R., and Righetti, Timothy L.
Abstract:: The effects of nitrogen (N) fertilizer application on plant growth, N uptake, and biomass and N allocation in highbush blueberry (Vaccinium corymbosum L. 'Bluecrop') were determined during the first 2 years of field establishment. Plants were either grown without N fertilizer after planting (0N) or were fertilized with 50, 100,...
Resource Type:: Article
Full Text:: of Horticulture, Oregon State University, 4017 ALS, Corvallis, OR 97331 David R. Bryla U.S

Tidally Forced Internal Waves and Overturns Observed on a Slope: Results from HOME

Creator:: Levine, Murray D. and Boyd, Timothy John, 1958-2013
Abstract:: Tidal mixing over a slope was explored using moored time series observations on Kaena Ridge extending northwest from Oahu, Hawaii, during the Survey component of the Hawaii Ocean Mixing Experiment (HOME). A mooring was instrumented to sample the velocity and density field of the lower 500 m of the water...
Resource Type:: Article
Full Text:: : Results from HOME MURRAY D. LEVINE AND TIMOTHY J. BOYD College of Oceanic and Atmospheric Sciences

Delayed effects of capture-induced barotrauma on physical conditionand behavioral competency of recompressed yelloweye rockfish, Sebastes ruberrimus

Creator:: Rankin, Polly S., Hannah, Robert W., Blume, Matthew T. O., Miller-Morgan, Timothy J., and Heidel, Jerry R.
Abstract:: Rebuilding of some U.S. West Coast rockfish (Sebastes spp.) stocks relies heavily on mandatory fishery discard, however the long-term condition of discarded fish experiencing capture-related barotrauma is unknown. We conducted two studies designed to evaluate delayed mortality, physical condition,and behavioral competency of yelloweye rockfish, Sebastes ruberrimus, experiencing barotrauma during capture...
Resource Type:: Article

Evolving interest and sense of self in an environmental citizen science program

Creator:: He, Yurong, Parrish, Julia K., Rowe, Shawn, and Jones, Timothy
Abstract:: Citizen science is a growing phenomenon across many branches of environmental science facilitating both increased science literacy and the collection of highly rigorous, longitudinal data. Understanding the motivations of adults to join and remain active in citizen science programs is important as the diversity and abundance of opportunities for public...
Resource Type:: Article
Full Text:: , Julia K. Parrish 1, Shawn Rowe 2 and Timothy Jones 1 ABSTRACT. Citizen science is a growing phenomenon

Forest-floor Disturbance Reduces Chipmunk (Tamias spp.) Abundance Two Years after Variable-retention Harvest of Pacific Northwestern Forests

Creator:: Wilk, Randall J., Harrington, Timothy B., Gitzen, Robert A., and Maguire, Chris C.
Abstract:: We evaluated the two-year effects of variable-retention harvest on chipmunk (Tamias spp.) abundance (Nˆ ) and habitat in mature coniferous forests in western Oregon and Washington because wildlife responses to density/pattern of retained trees remain largely unknown. In a randomized complete-block design, six treatments were applied to 13-ha units at...
Resource Type:: Article
Full Text:: Northwestern Forests Wilk, R. J., Harrington, T. B., Gitzen, R. A., & Maguire, C. C. (2015). Forest-Floor

Spectral backscattering properties of marine phytoplankton cultures

Creator:: Whitmire, Amanda L., Pegau, W. Scott, Karp-Boss, Lee, Boss, Emmanuel, and Cowles, Timothy J.
Abstract:: The backscattering properties of marine phytoplankton, which are assumed to vary widely with differences in size, shape, morphology and internal structure, have been directly measured in the laboratory on a very limited basis. This work presents results from laboratory analysis of the backscattering properties of thirteen phytoplankton species from five...
Resource Type:: Article
Full Text:: and Timothy J. Cowles 1 1Oregon State University, College of Oceanic & Atmospheric Sciences, 104

Measurement of Directional Wave Spectra Using Aircraft Laser Altimeters

Creator:: Sun, J., Burns, S. P., Vandemark, D., Donelan, M. A., Mahrt, L., Crawford, Timothy L., Herbers, T. H. C., Crescenti, G. H., and French, J. R.
Abstract:: A remote sensing method to measure directional oceanic surface waves by three laser altimeters on the NOAA LongEZ aircraft is investigated. To examine feasibility and sensitivity of the wavelet analysis method to various waves, aircraft motions, and aircraft flight directions relative to wave propagation directions, idealized surface waves are simulated...
Resource Type:: Article
Full Text:: Altimeters J. SUN,* S. P. BURNS,* D. VANDEMARK,� M. A. DONELAN,# L. MAHRT,@ TIMOTHY L. CRAWFORD,&,@@ T. H

An a priori process for selecting candidate reference lakes for a national survey

Creator:: Herlihy, Alan T., Sobota, Janel Banks, McDonnell, Todd C., Sullivan, Timothy J., Lehmann, Sarah, and Tarquinio, Ellen
Abstract:: One of the biggest challenges when conducting a national-scale assessment of lakes, such as the 2007 US National Lake Assessment (NLA), is finding enough reference lakes to set appropriate expectations for the assessed sites. In the NLA, a random design was used to select lakes for sampling to make unbiased...
Resource Type:: Article
Full Text:: State University, Corvallis, Oregon 97331 USA Todd C. McDonnell3 AND Timothy J. Sullivan4 E&S

ScholarsArchive@OSU

Ecological Restoration and Artificial Intelligence: Whose Values Inform a Project?

Response of Higbbush Blueberry to Nitrogen Fertilizer during Field Establishment-II. Plant Nutrient Requirements in Relation to Nitrogen Fertilizer Supply

Response of Highbush Blueberry to Nitrogen Fertilizer During Field Establishment, I: Accumulation and Allocation of Fertilizer Nitrogen and Biomass

Tidally Forced Internal Waves and Overturns Observed on a Slope: Results from HOME

Delayed effects of capture-induced barotrauma on physical conditionand behavioral competency of recompressed yelloweye rockfish, Sebastes ruberrimus

Evolving interest and sense of self in an environmental citizen science program

Forest-floor Disturbance Reduces Chipmunk (Tamias spp.) Abundance Two Years after Variable-retention Harvest of Pacific Northwestern Forests

Spectral backscattering properties of marine phytoplankton cultures

Measurement of Directional Wave Spectra Using Aircraft Laser Altimeters

An a priori process for selecting candidate reference lakes for a national survey

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