This thesis is a collection of six essays with interconnecting elements and themes. Two overriding themes which pervade the collection are the search for spiritual wholeness and the relationships between humans and their environments. The essays document my recent explorations of and experimentations with the "creative nonfiction" genre. have worked...
Wildlife managers often use species distribution models (SDMs) as an initial tool in conservation planning. Managers and researchers have made efforts to model the habitat and distribution of pygmy rabbits (Brachylagus idahoensis) across their historic range since the species was proposed for listing under the Endangered Species Act (USFWS 2003)....
Partial migration is a common migratory behavior where some individuals in a population migrate and others do not. Patterns of partial migration can vary dramatically, especially for species that inhabit a wide range of environments. I described and predicted spatial variation in marine migration (anadromy) of female Oncorhynchus mykiss (steelhead...
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Jason B. Dunham
Partial migration is a common migratory behavior where some individuals
The goal of my dissertation was to explore how scale influences stream restoration prioritization strategies for an anadromous species and identify influential uncertainties that exist at different scales. My objectives were to (1) produce a comprehensive review of the Chinook salmon management challenges in California’s Central Valley and identify the...
The relationship between fire and wildlife habitat is complex. Fires can create favorable conditions for some species and simultaneously extirpate entire populations of other species. Red-tailed hawks choose nesting habitats according to resources available. Natural disturbances such as wildfires change the availability of those resources. In late 2018, the Woolsey...
As the frequency and intensity of wildfires continue to occur in the West, so does the need for measures intended to improve firefighter safety; public safety; and the protection of property, resources, and wildlife. Furthermore, as human activity in the expanding Wildland Urban Interface increases, so does the need for...
More than 1500 species of plants and animals in the United States are listed as threatened or endangered under the Endangered Species Act (ESA). The U.S. Departments of Interior and Commerce are required, under Section 4(f)(1) of the ESA, to develop recovery plans for ESA-listed species under the respective agency...
Community colleges have long been thought of as the "people's
college." For some thirty years, Oregonians have looked to their 16 community
colleges as the less expensive, more accessible route to a college education.
Oregon's community colleges have traditionally had the broad mission of
providing comprehensive educational opportunities to all...
Alternative male phenotypes in salmonine fishes arise from individuals that mature as larger and older anadromous marine-migrants or as smaller and younger freshwater residents. To better understand the processes influencing the expression of these phenotypes we examined the influences of growth in length (fork length) and whole body lipid content...
We described and predicted spatial variation in marine migration (anadromy) of female Oncorhynchus mykiss in the John Day River watershed, Oregon. We collected 149 juvenile O. mykiss across 72 sites and identified locations used by anadromous females by assigning maternal origin (anadromous versus non-anadromous) to each juvenile. These assignments used...