To gain a better foothold on the communication system of the
avifauna, calls and songs of the American Robin (Turdus migratorius)
were recorded and analyzed using the sound spectrograph. Ten different
calls were recognized as follows: three alarm calls, an excitement
call, challenge call, contact call, two flight calls and...
Parking around Oregon State University campus can be severely limited, and for students looking to spend all day studying and going to classes it can be a pain to find parking that lasts for more than two hours. This thesis aims to resolve these issues by developing an application called...
Controlling competing vegetation with the application of herbicides and increased seedling size at planting has been shown to increase seedling survival and growth. These two important reforestation tools have often been studied independently of each other, limiting comparisons that can be made between them. This study utilized a factorial treatment...
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Robin Rose
Controlling competing vegetation with the application of herbicides and
Three studies were conducted to characterize and present early-seral
competition between Douglas-fir seedlings and the surrounding vegetation
communities during Pacific Northwest forest establishment. The first experiment
served as the foundation for this dissertation and was designed to quantify tradeoffs
associated with delaying forest establishment activities by introducing a fallow year...
Psychedelics and entheogens began as religious sacraments. They were apotheosized for their mind-expanding powers and were thought to open realms to the world of the Gods. It was not until the first psychedelic compound was discovered in a laboratory setting a mere hundred years ago that they entered into formal...
The three essays in this dissertation progressively answer the following questions: (a) How important are constraints? (b) Who benefits from removing constraints? (c) When does a constraint for a single market predominantly affect closely related markets? These questions are applied in the context of time, weather, and minimum wage constraints,...