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Filtering by: Subject Bioenergetics -- Oregon -- H.J. Andrews Experimental Forest Remove constraint Subject: Bioenergetics -- Oregon -- H.J. Andrews Experimental Forest Non-Academic Affiliation Oregon State University. Graduate School Remove constraint Non-Academic Affiliation: Oregon State University. Graduate School

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Measurement and modeling the physical controls of snowmelt in the Pacific Northwest

Creator:

Mazurkiewicz, Adam B.

Abstract:

The physical controls of snowmelt in the Pacific Northwest (PNW) are poorly understood. While there have been numerous field and modeling investigations at the plot and watershed scale, few studies have identified how the snow energy balance (EB) components vary in importance both spatially and temporally. The identification of how...

Resource Type:

Masters Thesis

Full Text:

H.J. Andrews Experimental Forest (HJA) in the western Cascade Mountains of Oregon found that
Water residence time and runoff generation in the western Cascades of Oregon

Creator:

McGuire, Kevin J.

Abstract:

The age, or residence time of water is a fundamental descriptor of catchment hydrology, revealing information about the storage, flow pathways and source of water in a single integrated measure. While there has been tremendous recent interest in residence time to characterize catchments, there are few studies that quantify residence...

Resource Type:

Dissertation
The historic and contemporary ecology of western Cascade meadows : archeology, vegetation, and macromoth ecology

Creator:

Highland, Steven A.

Abstract:

Montane meadows in the western Cascades of Oregon occupy approximately 5% of the landscape, but contribute greatly to the region's biodiversity. Western Cascades meadows are dynamic parts of the landscape and have contracted by over 50% in the past two hundred years in the HJ Andrews Experimental Forest (hereafter Andrews...

Resource Type:

Dissertation

Full Text:

McKenzie River watershed. The high ridges of the HJ Andrews Experimental Forest were analyzed using air
Study of some biological and nutritional factors that influence nodulation by Frankia on red alder (Alnus rubra) and snowbrush (Ceanothus velutinus) within three age-class Douglas-fir forests in H.J. Andrews Experimental Forest, Oregon

Creator:

Rojas-Melo, Nestor S.

Abstract:

Bioassays using red alder and snowbrush plants grown in soils collected from a clearcut, a young Douglas-fir plantation, and an old-growth stand were conducted. Sites are located at the Andrews Experimental Forest, Oregon. In the first bioassays, more alder than snowbrush plants survived and nodulated. Of the plants that survived,...

Resource Type:

Dissertation
The development and decline dynamics of two ectomycorrhizal fungal mat soil microbial communities in response to a reciprocal soil transfer experiment in old-growth Douglas-fir forests

Creator:

Cappellazzi, Jed E.

Abstract:

Ectomycorrhizal fungi (EmF) form symbioses with trees. These symbioses profoundly influence forest ecology. Certain EmF form specialized profusions of hyphae, known as ectomycorrhizal fungal mats (mats) which are visible to the naked eye, alter forest soil biogeochemistry, substantially contribute to soil microbial biomass/respiration and support unique microbial communities. Piloderma and...

Resource Type:

Masters Thesis

Full Text:

was established at seven old-growth Douglas-fir sites in the H.J. Andrews Experimental Forest. At
Butterflies of the H.J. Andrews Experimental Forest : biological inventory and ecological analysis

Creator:

Ross, Dana N. R.

Abstract:

A biological inventory of the butterflies of the H. J. Andrews Experimental Forest [HJA] in Linn/Lane County, Oregon was conducted during 1994 and 1995. It was the first comprehensive survey of HJA butterflies for the site and serves as a baseline for future butterfly research. A detailed ecological account is...

Resource Type:

Masters Thesis

Full Text:

of the butterflies of the H. J. Andrews Experimental Forest [HJA] in LinnlLane County, Oregon was
Community profiles of ammonia oxidizers across high-elevation forest-to-meadow transects

Creator:

Mintie, Ann

Abstract:

In recent years considerable interest has been shown in the diversity of ammonia-oxidizing bacteria in soil communities. The majority of the research has been carried out in Northern Europe where soils have received high atmospheric inputs of nitrogen over the past two centuries. In contrast, although much work has been...

Resource Type:

Masters Thesis

Full Text:

. Two experimental sites (Lookout and Carpenter) were chosen in the H. J. Andrews Experimental Forest
Patterns of chronic wind mortality in a small, old-growth Pseudotsuga menziesii forest in the western Cascades, Oregon

Creator:

Littlefield, Sam, 1980-

Abstract:

Windthrow has been studied extensively as a cause of mortality and as a landscape disturbance agent in temperate forests throughout the United States. The effects of windthrow mortality on stand species composition and structure, forest regeneration and seral development have been well described at the site (e.g. single gap) and...

Resource Type:

Masters Thesis
Inter-relationships of vegetation, hydrology and micro-climate in a young, Douglas-fir forest

Creator:

Barnard, Holly Rene

Abstract:

The links between forests, streamflow, and climate are poorly understood. Despite hundreds of studies over the past 60 years, fundamental questions of forests' effects on the hydrologic cycle remain unanswered. The hydrological cycle involves mutually-dependent biological and physical processes that operate at multiple scales of time and space, and this...

Resource Type:

Dissertation

Full Text:

term stream discharge data from the H.J. Andrews Experimental Forest (HJA), the site of the field
Carbon dynamics in the hyporheic zone of a headwater mountain stream in the Cascade Mountains, Oregon

Creator:

Corson-Rikert, Hayley A.

Abstract:

This study investigated carbon dynamics in the hyporheic zone of a steep, forested catchment in the Cascade Mountains of western Oregon, USA. Water samples were collected monthly from a headwater stream and well network during baseflow conditions from July to December 2013 and again in March 2014. We also sampled...

Resource Type:

Masters Thesis

Full Text:

); The catchment outlines and stream networks are from the H.J. Andrews Experimental Forest; The Oregon

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Academic Affiliation

Forest Science9
Crop and Soil Science8
Geosciences6
Forest Ecosystems and Society5
Forest Engineering4
more Academic Affiliations »

Advisor

Jones, Julia A.5
Mcdonnell, Jeffrey J.5
Lajtha, Kate4
Myrold, David D.4
Bottomley, Peter J.3
more Advisors »

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1954 to 2017

View distribution

Committee Member

Jones, Julia5
Lajtha, Kate4
Bottomley, Peter J.3
Kleber, Markus3
McCune, Bruce3
more Committee Members »

Creator

Barnard, Holly Rene1
Blanchard, Joseph H.1
Brant, Justin B.1
Bredensteiner, Kim C.1
Brewer, Elizabeth Ann1
more Creators »

Date

Date range begin – Date range end

Current results range from 1953 to 2016

View distribution

Decade

2010-201919
2000-200926
1990-19995
1980-19891
1960-19691
1950-19591

Degree Field

Forest Science12
Soil Science8
Geography7
Forest Engineering5
Water Resources Science4
more Degree Fields »

Degree Level

Master's36
Doctoral17

Degree Name

Master of Science (M.S.)36
Doctor of Philosophy (Ph.D.)17

File Format

application/pdf9
pdf1

Language

English [eng]53

License

All rights reserved36

Location

H J Andrews Experimental Forest, Oregon, United States, (Vegetation)3

Non-Academic Affiliation

Oregon State University. Graduate School[remove]53

Peer Reviewed

No46

Resource Type

Masters Thesis36
Dissertation17

Rights Statement

In Copyright39
Copyright Not Evaluated14

Subject

Nitrogen cycle -- Oregon -- H.J. Andrews Experimental Forest5
Forest influences -- Oregon -- H.J. Andrews Experimental Forest4
Forest soils -- Oregon -- H.J. Andrews Experimental Forest4
H.J. Andrews Experimental Forest (Or.)4
Hydrology, Forest -- Oregon -- H.J. Andrews Experimental Forest4
more Subjects »

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