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Filtering by: Creator Datin, Peter L. Remove constraint Creator: Datin, Peter L. Committee Member McEvoy, Peter Remove constraint Committee Member: McEvoy, Peter Non-Academic Affiliation Oregon State University. Graduate School Remove constraint Non-Academic Affiliation: Oregon State University. Graduate School

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The influence of canopy type and seasons on adult aquatic insect emergence and riparian spiders in the Oregon Coast Range

Creator:

Premdas, Sharmila

Abstract:

The objective of my study was to examine differences in riparian tree and shrub composition associated with adult aquatic emergence and implications for terrestrial spiders in these sites. Seasonal abundance and biomass of adult emergent aquatic insects, riparian arthropod abundances and spider densities were compared between conifer- and hardwood-dominated sites...

Resource Type:

Masters Thesis
Population and production ecology of Lipsothrix spp. (Diptera:Tipulidae)

Creator:

Dudley, Thomas L.

Abstract:

Craneflies of the genus Lipsothrix inhabit decomposing wood in streams. The life cycles and ecological relationships of L. nigrilinea (Doane) and L. fenderi Alexander were investigated to determine how they exploit and respond to the wood habitat and their role in degradation of woody debris in western Oregon. Surveys of...

Resource Type:

Masters Thesis

Full Text:

relationships of L. nigrilinea (Doane) and L. fenderi Alexander were investigated to determine how they
Seasonal occurrence and abundance of insect pests and natural enemies in the Columbia Basin

Creator:

Klein, Matthew L.

Abstract:

Potato (Solanum tuberosum L.) is the fourth largest food crop in the world following rice (Oryza sativa L.), wheat (Triticum spp.), and maize (Zea mays subs. mays). Potatoes arrived in the United States in the early 1600s and over the following centuries, the crop was subsequently cultivated across the country...

Resource Type:

Masters Thesis

Full Text:

Matthew L. Klein for the degree of Master of Science in Crop Science presented on November 4, 2016
Enhancing the predatory potential of hoverflies on aphids in Oregon broccoli fields with floral resources

Creator:

Ambrosino, Mario D.

Abstract:

Four key aspects of the relationship between predatory hoverflies and the aphid pest Brevicoryne brassicae L. on broccoli were investigated in the Willamette Valley, Oregon USA: 1) the relationship between aphid density and hoverfly oviposition, 2) the larval voracity of key hoverfly species, 3) the preferences of hoverflies and broccoli...

Resource Type:

Dissertation

Full Text:

Brevicoryne brassicae L. on broccoli were investigated in the Willamette Valley, Oregon USA: 1) the
Structuring habitat to conserve ground beetles (Coleoptera: Carabidae) and reduce summer annual weeds in agroecosystems

Creator:

Green, Jessica M.

Abstract:

Weed management in sustainable farming systems often requires the integration of several different pest management techniques. Cultural, biological, and chemical pest control efforts can be utilized to contribute to the common goal of reducing weeds in vegetable row crop systems. This research addresses how common disturbances such as tillage and...

Resource Type:

Masters Thesis

Full Text:

soil is >300 days (Fecko 1999). Bifenthrin was applied with water at 186 L/ha with a CO2 powered
Grazing, nutrients, and marine benthic algae : insights into the drivers and protection of diversity

Creator:

Guerry, Anne D., 1973-

Abstract:

Two of the most powerful ways in which humans have altered ecosystems are by increasing productivity and changing the densities of important consumers. The bottom-up effects of productivity and the top-down effects of consumers have been identified as primary determinants of biological diversity, though the links between them remain unclear....

Resource Type:

Dissertation

Full Text:

. Although I certainly could have used their expertise more, I thank my committee members, Peter McEvoy
Using stable isotopes and visual gut examination to determine the diet composition of Pterostichus melanarius (Coleoptera: Carabidae) in western Oregon vegetable row crops

Creator:

Moulton, Laurel A.

Abstract:

The omnivorous ground beetle, Pterostichus melanarius Illager (Coleoptera: Carabidae), is a ubiquitous inhabitant of western Oregon crop land. Because it is often the most abundant ground beetle, and attains densities that could lead to serious impacts on its prey sources, I sought to understand the overall diet composition, and specifically...

Resource Type:

Masters Thesis

Full Text:

resources and ideas for my work. Special thanks to Peter McEvoy for his dedication and insight into
An evaluation of factors influencing the management of Otiorhynchus sulcatus (F.) (Coleoptera: Curculionidae)

Creator:

Kepler, Ryan M.

Abstract:

The black vine weevil (BVW), Otiorhynchus sulcatus (F.) (Coleoptera: Curculionidae) is a persistent pest of nursery operations in the United States, feeding on over 140 species of plants. The goals of this research were to 1) assess the behavioral response of BVW to a commonly employed insecticide bifenthrin (Talstar 0.2G®)...

Resource Type:

Masters Thesis

Full Text:

, Peter McEvoy, Jeff Stone and Dan Arp also greatly benefited the work presented here. The technicians in
Biodiversity : illustrations of some concepts, causes, and consequences

Creator:

Russell, Roland B.

Abstract:

Careful analysis and thoughtful synthesis will be necessary for expanding the envelope of ecological understanding. This work is my attempt at communicating both of these, in relation to three questions about our understanding of the structure and dynamics of biological diversity. These questions focus on a) advancing our understanding of...

Resource Type:

Dissertation

Full Text:

Lubchenco, Peter McEvoy, Bruce Menge, Phil Rossignol, and Dan Schafer; you make a pretty amazing team. Dave
Bottom-up and top-down forces in tidepools : the influence of nutrients, herbivores, and wave exposure on community structure

Creator:

Nielsen, Karina Johanna

Abstract:

The relationship between nutrients and community structure is poorly understood in open-coast habitats. I created a system of artificial tidepools, of identical age and physical dimensions, at two sites that differed in wave exposure, and manipulated nutrient levels and the abundance of herbivores. Using these unique field mesocosms, I explored...

Resource Type:

Dissertation

Full Text:

, and how to do transects while looking like the Michelin man - definitely warmer that way! Peter van

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Academic Affiliation

Zoology8
Entomology4
Botany and Plant Pathology3
Horticulture2
Agriculture and Resource Economics1
more Academic Affiliations »

Advisor

Lubchenco, Jane6
Menge, Bruce2
Menge, Bruce A.2
Mundt, Christopher C.2
Peachey, Ed2
more Advisors »

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1979 to 2017

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Committee Member

McEvoy, Peter[remove]23
King, Charles2
Mallory-Smith, Carol2
Menge, Bruce2
Murtaugh, Paul2
more Committee Members »

Creator

Ambrosino, Mario D.1
Boudreau, Mark Alan, 1958 1
Bracken, Matthew E.1
d'antonio, Carla Marie, 1956 1
Dudley, Thomas L.1
more Creators »

Date

Date range begin – Date range end

Current results range from 1978 to 2016

View distribution

Decade

2010-20194
2000-20099
1990-19995
1980-19894
1970-19791

Degree Field

Zoology8
Entomology6
Botany and Plant Pathology3
Horticulture2
Agricultural and Resource Economics1
more Degree Fields »

Degree Level

Doctoral14
Master's9

Degree Name

Doctor of Philosophy (Ph.D.)14
Master of Science (M.S.)9

File Format

application/pdf2

Language

English [eng]23

License

All rights reserved13

Non-Academic Affiliation

Oregon State University. Graduate School[remove]23

Peer Reviewed

No23

Resource Type

Dissertation14
Masters Thesis9

Rights Statement

In Copyright13
Copyright Not Evaluated10

Subject

Agricultural ecology -- Oregon, Western1
Amphibians -- Pathogens1
Ants -- Oregon -- Nests1
Aphididae -- Biological control -- Oregon -- Willamette River Valley1
Aphididae -- Predators of -- Oregon -- Willamette River Valley1
more Subjects »

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