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Filtering by: Creator Kellogg, Royal S. Remove constraint Creator: Kellogg, Royal S. Committee Member Jones, Julia Remove constraint Committee Member: Jones, Julia Non-Academic Affiliation Oregon State University. Graduate School Remove constraint Non-Academic Affiliation: Oregon State University. Graduate School

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Foraging Niche Separation of Adélie (Pygoscelis adeliae) and Gentoo (P. papua) Penguins During the Breeding Season at Palmer Station, Antarctica

Creator:

Pickett, Erin

Abstract:

Climate-induced range overlap can result in novel interactions between similar species and potentially lead to competitive exclusion. The Western Antarctic Peninsula is one of the most rapidly warming regions on Earth and is experiencing a poleward climate migration. This transition from a polar to sub-polar environment has resulted in a...

Resource Type:

Masters Thesis

Full Text:

: ______________________________________________________________________________ Ari S. Friedlaender Climate-induced range overlap can result in novel interactions between
Post-harvest establishment influences ANPP, soil C and DOC export in complex mountainous terrain

Creator:

Peterson, Fox S.

Abstract:

The link between aboveground net primary productivity (ANPP) and resource gradients generated by complex terrain (solar radiation, nutrients, and moisture) has been established in the literature. Belowground ecosystem stocks and functions, such as soil organic carbon (SOC), dissolved organic carbon (DOC), and belowground productivity have also been related to the...

Resource Type:

Dissertation

Full Text:

AN ABSTRACT OF THE DISSERTATION OF Fox S. Peterson
An Integrated Approach to Gauge the Effects of Global Climate Change on Headwater Stream Ecosystems

Creator:

Bury, Gwendolynn W.

Abstract:

Climate change is predicted to affect ecosystems, including systems already stressed by human impacts. One ecosystem that is already highly impacted by human land use is the cold headwater stream system of the Pacific Northwest. One method of assessing the function of an ecosystem is by using an indicator species....

Resource Type:

Dissertation
Forest Fire Effects on Radiative and Turbulent Fluxes over Snow : Implications for Snow Hydrology

Creator:

Gleason, Kelly E.

Abstract:

As a result of a warming climate, subsequent declining snowpack, and a century of fire suppression, forest fires are increasing across the western United States. However, we still do not fully understand how forest fire effects snowpack energy balance, nor the volume and availability of snow melt and associated water...

Resource Type:

Dissertation

Full Text:

speed [m s-1] (30 min EC aggregates), temperature [°C] (60 min met aggregates), relative humidity
Effects of spatial scale and heterogeneity on avian occupancy dynamics and population trends in forested mountain landscapes

Creator:

Frey, Sarah J. K.

Abstract:

Population trends and patterns in species distributions are the major currencies used to examine responses by biodiversity to changing environments. Effective conservation recommendations require that models of both distribution dynamics and population trends accurately reflect reality. However, identification of the appropriate temporal and spatial scales of animal response, and then...

Resource Type:

Dissertation

Full Text:

methods and assisted with the writing and analysis. Dr. Adam S. Hadley contributed to sampling design
Signatures in the Subsurface - Big & Small Data Approaches for the Spatio-Temporal Analysis of Geologic Properties & Uncertainty Reduction

Creator:

Rose, Kelly Kathleen

Abstract:

Despite more than two centuries of exploration, including more than six million deep wellbores with depths exceeding 40,000 feet in some parts of the world, our ability to constrain subsurface processes and properties remains limited. Characteristics of the subsurface vary and can be analyzed on a variety of spatial scales....

Resource Type:

Dissertation
The influence of biophysical feedbacks and species interactions on grass invasions and coastal dune morphology in the Pacific Northwest, USA

Creator:

Zarnetske, Phoebe Lehmann

Abstract:

Biological invasions provide a unique opportunity to study the mechanisms that regulate community composition and ecosystem function. Invasive species that are also ecosystem engineers can substantially alter physical features in an environment, and this can lead to cascading effects on the biological community. Aquatic-terrestrial interface ecosystems are excellent systems to...

Resource Type:

Dissertation

Full Text:

, from the 1950’s/1967 to 2002, and from 2006 to 2009 ............ 37 3.1 Conceptual diagrams showing
Nearshore distribution of barnacle and mussel larvae and oceanographic mechanisms of onshore transport and delivery

Creator:

Tyburczy, Joe A.

Abstract:

Recruitment of larvae from the plankton is an important determinant of community structure in marine systems. In populations of many marine species, recruitment determines the basic demographic parameters of immigration, emigration, and reproduction. Moreover, the effect of recruitment as an "ecological subsidy" can determine the strength of interactions among species...

Resource Type:

Dissertation

Full Text:

cruises on 13 Dec (a, b, e, f, i, j, m, m, q, r) and 4 Feb (c, d, g, h, k, l, o, p, s, t
Spatio-temporal Patterns and Ecological Drivers of Harbor Porpoise (Phocoena phocoena) off the Central Oregon Coast, USA

Creator:

Holdman, Amanda

Abstract:

The marine environment is under increasing pressure from human activities worldwide, particularly in coastal waters, creating a need to better understand fine-scale distributions of highly mobile species that occur in the area, as they are frequently most threatened. Harbor porpoise (Phocoena phocoena) occur frequently in Oregon’s nearshore habitat, but due...

Resource Type:

Masters Thesis

Full Text:

approaches. Ecological modelling 200:1-19 Balcomb K, Minasian S (1984) The World’s Whales. Illustrated by
Landsat-based monitoring of annual wetland change in the main-stem Willamette River floodplain of Oregon, USA from 1972 to 2012

Creator:

Fickas, Kate C.

Abstract:

Despite holding substantial ecological value, wetlands in the United States have experienced a significant decline in both area and function over the past century with the majority of freshwater wetland loss attributed to agricultural conversion. Agriculture is the second largest industry in the State of Oregon and the State places...

Resource Type:

Masters Thesis

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Academic Affiliation

Fisheries and Wildlife4
Forest Ecosystems and Society3
College of Earth, Ocean, and Atmospheric Sciences2
Zoology2
Animal and Rangeland Sciences1
more Academic Affiliations »

Advisor

Arnold, Stevan J.1
Betts, Matthew G.1
Borman, Michael M.1
Cohen, Warren1
Conley, John F., jr.1
more Advisors »

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 2009 to 2017

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Committee Member

Jones, Julia[remove]15
McCune, Bruce2
Bailey, John1
Barth, Jack A.1
Bokil, Vrushali1
more Committee Members »

Creator

Averett, Joshua P.1
Bury, Gwendolynn W.1
Fickas, Kate C.1
Frey, Sarah J. K.1
Gleason, Kelly E.1
more Creators »

Date

Date range begin – Date range end

Current results range from 2008 to 2016

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Decade

2010-201913
2000-20092

Degree Field

Wildlife Science3
Zoology3
Forest Science2
Electrical and Computer Engineering1
Fisheries Science1
more Degree Fields »

Degree Level

Doctoral9
Master's6

Degree Name

Doctor of Philosophy (Ph.D.)9
Master of Science (M.S.)6

Language

English [eng]15

License

All rights reserved15

Non-Academic Affiliation

Oregon State University. Graduate School[remove]15

Peer Reviewed

No15

Resource Type

Dissertation9
Masters Thesis6

Rights Statement

In Copyright15

Subject

Adélie penguin -- Antarctica1
Adélie penguin -- Climatic factors -- Antarctica1
Adélie penguin -- Food -- Antarctica1
Aluminum oxide1
Biotic communities -- Mathematical models1
more Subjects »

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