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1. [Article] A readership study of Oregon wildlife magazine
The purpose of this study was to determine the extent and frequency of readership of the Oregon Wildlife magazine and this relationship to Klapper's reinforcing hypothesis. The basic question posed was: ...Citation -
This guidebook provides Portland-area planners with relevant information about wildlife crossings in an urban context. While information on wildlife crossings and their effectiveness has been available ...
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3. [Article] Influence of Wetland Landscape Structure on Duck Nest Success at Malheur National Wildlife Refuge, Oregon
The decline of waterfowl populations and their requisite wetland habitats remains a concern. Because migratory bird refuges are often artificial landscapes of actively managed wetlands, and wildlife populations ...Citation -
This study investigated the various sources of information utilized by a sample of the Oregon adult population to gain information and ideas about the wildlife resource. The results were compared to those ...
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5. [Article] The Landscape: Sauvie Island
A brief overview of the geography, history and outlook for Sauvie Island, an area situated at the confluence of the Willamette and Columbia Rivers that is important as a wildlife refuge, farming areas, ...Citation -
6. [Article] An Experimental Investigation of Nest Reuse and Nest Site Selection in an Open-Cup Nesting Passerine
Eastern Kingbirds (Tyrannus tyrannus) breed from coast to coast in North America and build open-cup nests in trees. They have been extensively studied across most of their range and have only on occasion ...Citation -
7. [Article] A Behavior-Based Framework for Assessing Barrier Effects to Wildlife from Vehicle Traffic Volume
Roads, while central to the function of human society, create barriers to animal movement through collisions and habitat fragmentation. Barriers to animal movement affect the evolution and trajectory of ...Citation -
In July 2012, we sampled 131 plots in wet meadow habitat at the southern end of the Malheur National Wildlife Refuge. Analysis of the data identified eleven different plant associations: Alopecurus pratensis, ...
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9. [Article] Wet Meadow Plant Associations, Double O Unit, Malheur National Wildlife Refuge, Harney County, Oregon
This report summarizes vegetation data collected in July 2015 in wet meadow and marshy habitats on the Double O Unit of Malheur National Wildlife Refuge (MNWR). Because vegetation sampled at the Double ...Citation -
Archaeological investigations at site 45CL1, Clark County, Washington, demonstrate that the locality is a very large (c 1.5ha), deeply stratified (2-4m) town site with an occupation spanning at least 1000 ...
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Summaries of Highway Development Projects in Region 6 National Forests. This document contains a summary of higher complexity projects selected for their interest to line officers and resource managers. ...
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12. [Article] A Survey for Leucocytozoon Simondi Mathis and Leger (1910) in Canada Geese of the Malheur Wildlife Refuge
Blood smears of blood collected in 1971 and 1972 from 291 Canada geese at Malheur National Wildlife Refuge were examined to determine the incidence of the avian malarial parasite, Leucocytozoon simondi. ...Citation -
13. [Article] The Effectiveness of Vertebrate Passage and Prevention Structures: A Study of Boeckman Road in Wilsonville
One of the most obvious impacts roads have on the natural world is direct mortality to individual animals that attempt to cross roads. A less obvious but likely more important impact of roads on many species ...Citation -
14. [Article] Behavioral Observation and Paternal Investment of Eastern Kingbirds at Malheur National Wildlife Refuge
We have been studying the population of Eastern Kingbirds breeding in riparian habitats in Malheur National Wildlife Refuge (eastern Oregon) since 2002. These efforts have created an ideal research environment ...Citation -
Common Ravens (Corvus corax L.) have been implicated as significant predators on the eggs of waterfowl and shorebirds on Malheur National Wildlife Refuge. Malheur Refuge, located in southeastern Oregon ...
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The intention of this plan is to provide a vision and guidelines for maintaining and improving the ecological health of Koll Center Wetlands in the short and long term. Although the plan will change over ...
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The impact of hatchery fish on native populations has been extensively studies, especially as environmental management has generally moved toward a conservation focus. In Oregon, the McKenzie River native ...
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William Lovell Finley was an American conservationist active in Oregon and California from 1894 to 1947. He was president of the Oregon Audubon Society and a field representative for the National Audubon ...
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Incorporating a nature tour into a Library Research Strategies course at Mt. San Antonio College (Walnut, California), my class took a guided tour of local ecosystems at the campus Wildlife Sanctuary as ...
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20. [Article] Oregon's Fish and Wildlife in a Changing Climate
Chapter 7 in: The Oregon Climate Change Assessment Report Oregon's fish and wildlife include animals on land, fish and other species in rivers and lakes, and various kinds of sea life in estuaries and ...Citation -
An analysis of the current state of the adventure activist genre in film, centering on The Crocodile Hunter and Project Grizzly.
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The reuse of old nests by open-cup nesting passerines is a seemingly rare but potentially adaptive behavior if, as a consequence, females begin to breed earlier, lay larger clutches, or fledge more young. ...
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23. [Article] Divergent trends in ecosystem services under different climate-management futures in a fire-prone forest landscape
While ecosystem services and climate change are often examined independently, quantitative assessments integrating these fields are needed to inform future land management decisions. Using climate-informed ...Citation -
This study compared two remote sensing water indices: the Normalized Difference Water Index (NDWI) and the Modified NDWI (MNDWI). Both indices were calculated using publically-available data from the Landsat ...
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25. [Article] Oregon Spartina Response Plan
Four introduced, invasive species of Spartina (cordgrass) have been present in estuarine areas of the U.S. west coast for over a century. These Spartina species are ecological engineers- they cause severe ...Citation -
26. [Article] A Look Beyond: Wolves, Freedom and the Landscape
The article focuses on the wolves and the need for conservation plans including a wildlife corridor that runs from the Sierra Madre Occidental in Sonora, Mexico, north along the Rocky Mountains to the ...Citation -
In the arid landscapes of the southern Great Basin and northern Mojave Desert, issues surrounding water resource management are often politically contentious. Nuwuvi (Southern Paiute) have known and managed ...
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Nuwuvi (Southern Paiute) have inhabited the southern Great Basin for thousands of years, and consider Nuvagantu (where snow sits) in the Spring Mountains landscape to be the locus of their creation as ...
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29. [Article] Feral Swine Action Plan for Oregon
Feral swine are defined as free roaming animals of the genus Sus that are not being held under domestic management or confinement. Swine have spread from Europe and Russia to habitats around the world ...Citation -
The Western Snowy Plover (Charadrius alexandrinus nivosus) breeds along the coast of the Pacific Ocean in California, Oregon, and Washington and at alkaline lakes in the interior of the western United ...
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31. [Article] The Biology of Eastern Kingbirds at Malheur National Wildlife Refuge: Survival, Reproduction, and Testosterone Secretion
This dissertation presents the results of a study that I undertook to better understand the breeding biology of Eastern Kingbirds (hereafter, kingbirds) at Malheur National Wildlife Refuge in southeastern ...Citation -
32. [Article] Finding and Dating Cathlapotle
The people of the Cathlapotle town played a significant role in the fur trade era history of the Lower Columbia River, including Lewis and Clark’s visit on March 29th, 1806. Archaeologists and others have ...Citation -
33. [Article] Where Have All the Native Fish Gone? The Fate of Fish that Lewis and Clark Encountered on the Lower Columbia River
As part of a special issue of the 'Oregon Historical Quarterly,' discusses the native species of fish in the lower Columbia River described by Meriwether Lewis and William Clark in 1805-06. They identified ...Citation -
34. [Article] Mitigating the impacts of Measure 37 : implementing a statewide transferable development rights program in Oregon
Nonregulatory land use planning tools can be effective for achieving statewide planning goals, but only in a regulatory context. Measure 37 makes that regulatory context problematic, with planners’ flexibility ...Citation -
35. [Article] Functional analysis of Great Basin projectile points
This paper presents a refined methodology for distinguishing the stone points of arrows from the stone points of spear thrower darts in archaeological assemblages from the Great Basin. The methodology ...Citation -
36. [Article] An analysis of Pteropus livingstonii roost habitat: Indicators for forest conservation on Anjouan and Moheli
Livingstone's fruit bat (Pteropus livingstonii) is an endangered and endemic species found only on the islands of Anjouan and Mohéli, Comoros. A study was conducted into the habitats selected by P. livingstonii, ...Citation -
37. [Article] Making Connections Beyond the Choir
Conservationists rely heavily on support from sectors of the population that want wildlife and wild places protected, but for whom it is not a priority. Support for conservation is widespread but not deep ...Citation -
Mercury is a persistent, toxic pollutant and at elevated levels can cause serious environmental harm to aquatic life, wildlife, and humans. Mercury from anthropogenic sources continues to be a significant ...
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39. [Article] Modeling the effectiveness of riparian restoration on stream shading in the Clackamas River Basin
Rivers and streams within the Clackamas River Basin are not currently meeting water quality standards in terms of temperature. The Clackamas River Basin Council (CRBC) designed a restoration program to ...Citation -
40. [Article] Characterization of the Shallow Subsurface Geohydrology of the Ni-les'tun Unit on the Bandon Marsh National Wildlife Refuge
The Bandon Marsh is a large marsh restoration project located in southwest Oregon. The land has been previously used for dairy farms and much of the marsh was used for cattle grazing. The goal of the restoration ...Citation -
41. [Article] Avian Affairs: A Study of the Occurrence and Benefits of Extra-pair Breeding Behavior in Eastern Kingbirds (Tyrannus Tyrannus)
Over three consecutive breeding seasons I examined the breeding system of Eastern Kingbirds in Malheur National Wildlife Refuge in SE, Oregon. To assess genetic paternity, I optimized seven microsatellite ...Citation -
42. [Article] Lambda Alpha Anthropology Honors Society (LAB): Bridging The Gap Between Coursework And Career
Many anthropology majors gain an academic familiarity with the subject through coursework, but lack an understanding of how to utilize their anthropological skills outside of academia in future careers. ...Citation -
43. [Article] The Nature of People's Perceptions of Wolves
European immigrants once regarded wolves as the "devil in disguise" (Lopez, 1978, p.40). With our growing awareness of other cultural perspectives and flourishing body of scientific knowledge with regard ...Citation -
44. [Article] The Realization of the Cathlapotle Plankhouse: Reflections on Cross-Cultural Collaboration in the Post-NAGPRA Era
In the last two decades, a shift in the museological paradigm has changed the way in which Native American history and culture is interpreted and represented to the general public. As legal mandates and ...Citation -
45. [Article] Predator Exclosures, Predator Removal, and Habitat Improvement Increase Nest Success of Snowy Plovers in Oregon, USA
Management to increase reproductive success is commonly used to aid recovery of threatened and endangered species. The Western Snowy Plover (Charadrius nivosus nivosus) breeds from coastal Washington, ...Citation -
46. [Article] Final Report: Bonneville Power Administration
Most of the company will measure their success by looking through their stock price and share level because it is the most effective way to see how the business is doing in the economic world. However, ...Citation -
47. [Article] Experimental Analysis of Nest-Site Choice and its Relationship to Nest Success in an Open-Cup–Nesting Passerine
Nest placement presumably reflects selection for secure sites to minimize failure. Most tests of this hypothesis, however, have failed to support it. We used artificial nests (ARTs) to experimentally evaluate ...Citation -
Created in the aftermath of Measure 37, the Russill Fellowship is aimed at examining non-regulatory land use planning tools and their potential application in the Portland Metropolitan area, with a particular ...
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Impact pile driving can produce extremely high underwater sound levels, which are of increasing environmental concern due to their deleterious effects on marine wildlife. Prediction of underwater sound ...
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50. [Article] Application of GIS and Spatial Analysis of Golden Eagle Fatalities Caused by Wind Turbines at the Altamont Pass Wind Resource
The Altamont Pass Wind Resource Area (Altamont) near Livermore, California is the oldest and largest wind farm in the United States. It is known as a location of high avian mortality, especially for diurnal ...Citation -
Pine Creek Conservation Area (PCCA), just northeast of the John Day River in Wheeler County, Oregon, was acquired in 1999-2001 by the Confederate Tribes of Warm Springs with support from the Bonneville ...
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52. [Article] Demography of a Ground Nesting Bird in an Urban System: Are Populations Self-Sustaining?
Urbanization poses threats to earth’s biota, and retention of remnant native habitat in protected areas within expanding urban boundaries may help alleviate threats to wildlife. However, it is unclear ...Citation -
53. [Article] Room to Roam: Using GPS to Determine the Effect of Exhibit Size and Herd Size on Zoo Elephant Movement
Asian and African elephants (Elephas maximus and Loxodonta spp.) are particularly susceptible to welfare concerns in zoological institutions due to their high intelligence, complex social structures, and ...Citation -
54. [Article] Assessing Habitat Requirements of Pond-Breeding Amphibians in a Highly Urbanized Landscape:Implications for Management
Management of urban aquatic habitats for native wildlife, such as amphibians, is an important contemporary goal for many municipalities. However, our understanding of how local and landscape characteristics ...Citation -
Recent management efforts in the Smith and Bybee Lakes Wildlife Area (SBL), a 700-ha preserve in north Portland, Oregon, have included using a water control structure to suppress invasive reed canarygrass ...
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Management of public lands in the U.S. aims to achieve multiple goals relating to ecological function, wildlife habitat, support of local economies, and recreation; and in fire-prone landscapes these goals ...
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Zebra and quagga mussels (Dreissena polymorpha and D. rostriformis bugensis, respectively) were not detected by Oregon Department of Fish and Wildlife (ODFW) and Portland State University (PSU) during ...
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58. [Article] OSMB Final Report: Task 3. Containment Strategies for Eurasian Watermilfoil Infested Central OR Lakes
In recent years, public awareness of aquatic invasive species (AIS) has increased considerably in Oregon and elsewhere in the western U.S.. News articles, boat inspection stations and AIS permit programs ...Citation -
Estuarine intertidal habitats are heterogeneous, therefore migratory shorebirds are expected to forage in microhabitats where they can maximize their energy intake. Identifying proximate factors that migratory ...
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60. [Article] Predicting global change effects on forest biomass and composition in south-central Siberia
Multiple global changes such as timber harvesting in areas not previously disturbed by cutting and climate change will undoubtedly affect the composition and spatial distribution of boreal forests, which ...Citation -
61. [Article] Canada’s New Role in North American Energy Security
Energy analysts have given renewed attention to Canada's position in the North American energy market since the September 11th attacks, because of fear that conflict might interrupt the flow of oil from ...Citation -
There is an increasing demand for assessing ecosystem functions for freshwater wetlands, especially when comparing or prioritizing among wetlands at the watershed scale. We estimated the relative potential ...
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Barriers to animal movement can isolate populations, impacting their genetic diversity, susceptibility to disease, and access to resources. Barriers to movement may be caused by artificial light, which ...
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64. [Article] Advancing Collaborative Solutions: Lessons from the Oregon Sage-Grouse Conservation Partnership (SageCon)
The Sage-Grouse Conservation Partnership, also known as “SageCon,” was an unprecedented collaborative effort among federal, state, and private stakeholders to address landscape-scale threats to greater ...Citation -
65. [Article] Historical Vegetation of Three Salmon-Bearing Watersheds in the Interior Columbia River Basin
Land use practices can be a contributing factor to environmental degradation and have been the focus of many ecological studies. One aspect that is less addressed is land use history and the effects that ...Citation -
The introduction of invasive aquatic plant species (IAPS) can cause significant ecological and economic harm. IAPS can displace native aquatic plant species, impair recreation, and degrade water quality. ...
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Lake Roosevelt is a large reservoir in northeast Washington State formed by the Grand Coulee Dam. The reservoir, which inundates portions of the Columbia River, the Spokane River, and other rivers and ...
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The restoration of stream corridors is becoming an increasingly important component of urban landscape planning, and the high cost of these projects necessitates the need to understand and address potential ...
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69. [Article] Western Juniper (Juniperus occidentalis) Ecology with an Exercise in Remote Sensing Techniques
Western juniper (Juniperus occidentalis var. occidentalis) has been expanding its biogeographic range since the mid-1800's, resulting in decreased biodiversity, altered wildlife habitat, increased soil ...Citation -
Intermountain West bison abundance and chronology is much debated, but little work addressing these debates has occurred in eastern Oregon. Historic records indicate bison were absent from eastern Oregon ...
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Freshwater ecosystems are subject to a wide variety of stressors, which can have complex interactions and result in ecological surprises. Non-native fish introductions have drastically reduced the number ...
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72. [Article] Ecology of White-Cheeked Crested Gibbons in Laos
The endangered white-cheeked crested gibbon (Nomascus leucogenys), native to Laos, Vietnam, and perhaps China, remains little known and highly threatened. I studied seasonal variation in the diet, activity ...Citation -
73. [Article] Site Selection by Migratory Shorebirds in Oregon Estuaries Over Broad and Fine Spatial Scales
Many migratory shorebirds rely on estuaries as stop-over sites to refuel during migration, and the loss of stop-over sites is a primary threat to shorebird populations on the West Coast of the United States ...Citation -
74. [Article] Investigating the Link Between Surface Water and Groundwater in the Tule Lake Subbasin, Oregon and California
Water allocation in the upper Klamath Basin of Oregon and California has been challenging. Irrigators have increasingly turned to groundwater to make up for surface water shortages because of shifts in ...Citation -
Every year, hundreds of thousands of people visit the Native American ancestral lands in the western United States developed for tourism and recreation. The stewards of these lands seek to engage visitors ...
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76. [Article] The Resurrection of a River: The Umatilla and its Salmon
Until the 1990s, salmon had been extinct from the Umatilla River for over 70 years. The struggle to bring salmon back to this river is a compelling story that exemplifies some of the new relationships ...Citation -
Stream temperatures are affected by multiple forcing functions, including surface heat exchange (including solar radiation, evaporation, conduction, and net long wave radiation) and hyporheic flows. Each ...
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78. [Article] Connecting Habitat Across Roads: Field Testing Mitigation Strategies for Reducing Road Mortality of an Imperiled Butterfly
Roads impact wildlife in a variety of ways including fragmentation of populations, reduced access to habitat, and direct mortality from vehicle strikes. Such road effects likely impact the Oregon silverspot ...Citation -
The Oregon Silverspot Butterfly (OSB), Speyeria zerene hippolyta, is federally listed as “threatened.” It historically inhabited coastal regions of Washington, Oregon, and California (USFWS 2001). OSB ...
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80. [Article] 2005 Diamond Lake Submersed Aquatic Vegetation Survey
Diamond Lake is a large natural lake having a surface area of some 3214 acres (1300.7 hectares) and a maximum depth of 52 feet (15.8 meters). It is located within the Umpqua National Forest in the Southern ...Citation -
This report provides the administrative design to implement the Yakima/Klickitat Production Project. This project is a scientifically designed salmon fishery restoration project funded by the Bonneville ...
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Dry forests account for nearly half of the world’s tropical and subtropical forests and provide a multitude of ecological services. They contribute to hydrological cycles and livestock and wildlife provisioning; ...
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This report represents a thematic summary of findings from the Alagnak Wild River Resident Users Study, the final project in a larger series of studies conducted for the National Park Service (NPS) as ...
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Pacific lamprey is a culturally valuable species to indigenous people, and has significant ecological importance in freshwater and marine ecosystems. Over the past several decades, constrictions in range ...
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This thesis considers the question of whether climate change is affecting the migration patterns of geese in the Pacific Flyway, specifically cackling geese (Branta hutchinsii minima) and Pacific white-fronted ...
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The nutria (Myocastor coypus) is a large semi-aquatic mammal native to South America that has been introduced to numerous countries around the world, primarily for fur farming. Nutria were introduced in ...
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87. [Article] Assessing Possible Cruise Ship Impacts on Huna Tlingit Ethnographic Resources in Glacier Bay
This report provides a thematic summary of an ethnographic study addressing the effects of cruise ships within Glacier Bay proper on the people known as the Huna Tlingit. Occupying the heart of Glacier ...Citation