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Remediation of atrazine in irrigation runoff by a constructed wetland

Creator:: Runes, Heather B.
Abstract:: Due to its frequent use in agriculture and its frequent detection in surface water, atrazine was chosen as a model compound to study the treatment capability of a surface flow wetland used to remediate irrigation runoff at a container nursery near Portland, Oregon. Further evaluation of treatment of atrazine was...
Resource Type:: Dissertation
Full Text:: Authors: Heather B. Runes Jeffrey J. Jenkins James A. Moore Peter J. Bottomley Bruce D. Wilson 18

Effects of dieldrin on the intrinsic rate of increase of the guppy, Poecilia reticulata Peters

Creator:: Roelofs, Terry Dean
Resource Type:: Dissertation
Full Text:: made are described below. The guppies used in experiment I came from two broods (A and B) which were

A comparative anatomical study of galls caused by the major cecidogenetic groups, with special emphasis on the nutritive tissue

Creator:: Larew, Hiram, 1953-
Abstract:: The anatomies of 44 galls are discussed with special attention given to the development, longevity, and tannin content of the nutritive tissues. Within the main section of the thesis, representative galls from the major cecidogenetic groups, with the exception of bacterial and Australian scale galls, are studied. These include galls...
Resource Type:: Dissertation

Delineation of the composition of an indigenous soil population of Rhizobium meliloti in root nodules of uninoculated field grown Medicago sativa L.

Creator:: Jenkins, Michael B.
Abstract:: Agronomic and microbiological studies were conducted on "Anchor" alfalfa (Medicago sativa L.) established from uninoculated seed on three Aridisols in central Oregon. Significant responses to 230 Kg N per ha (NH₄NO₃), which was applied in mid-April and after each first and second harvests, were observed in yield parameters of the...
Resource Type:: Dissertation
Full Text:: ABSTRACT OF THE THESIS OF Michael B. Jenkins for the degree of Doctor of Philosophy in Microbiology

Dynamics of enzyme polymorphism in a natural population of the boreal toad, Bufo boreas boreas Baird and Girard : evidence of natural selection via differential mortality in early life history stages

Creator:: Samollow, Paul B.
Resource Type:: Dissertation
Full Text:: Mortality in Early Life History Stages AN ABSTRACT OF THE THESIS OF PAUL B. SAMOLLOW for the degree of

Characterization of lignocellulose decomposition in stream wood samples using ¹⁴C and ¹⁵N techniques

Creator:: Aumen, Nicholas G.
Resource Type:: Dissertation
Full Text:: approved: Redacted for Privacy Peter J. Bottomley A study was conducted on the distribution and

Larval ecology of Pandalus jordani Rathbun

Creator:: Rothlisberg, Peter Charles
Resource Type:: Dissertation
Full Text:: THE THESIS OF Peter Charles Rothlisberg for the degree of Doctor of Philosophy (Name) (Degree) in

Scent-making by nectar collecting honey bees

Creator:: Wetherwax, Peter B.
Abstract:: Honey bees mark artificial flowers with scents that advertise about the previous history of the flower to subsequent foragers. Unrewarding flowers are marked with a scent, after a single visit, that makes the flower less attractive to subsequent foragers. Previously rewarding flowers are initially less attractive than unvisited flowers but...
Resource Type:: Dissertation
Full Text:: ABSTRACT OF THE THESIS OF Peter B. Wetherwax for the degree of Doctor of Philosophy in Entomology

The effect of vitamin B₁₂ on selenium and arsenic metabolism

Creator:: Chen, Chiareiy Liu
Resource Type:: Dissertation
Full Text:: . Other members of my committee were Dr. Ian Tinsley; Dr. Peter Cheek; Dr. Sonia Anderson and Dr. Austin

Effects of flooding on peach, apple, quince and several pear species

Creator:: Andersen, Peter C.
Abstract:: A series of experiments was designed to investigate differential flood-tolerance and the phenomenon of flood-induced stomatal closure of several fruit tree species. The first two experiments were conducted with potted plants submerged outdoors 5-10 cm above the soil line. Plant morphology, growth, leaf conductance (cL), and soil oxygen diffusion rate...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF PETER C. ANDERSEN for the degree

ScholarsArchive@OSU

Remediation of atrazine in irrigation runoff by a constructed wetland

Effects of dieldrin on the intrinsic rate of increase of the guppy, Poecilia reticulata Peters

A comparative anatomical study of galls caused by the major cecidogenetic groups, with special emphasis on the nutritive tissue

Delineation of the composition of an indigenous soil population of Rhizobium meliloti in root nodules of uninoculated field grown Medicago sativa L.

Dynamics of enzyme polymorphism in a natural population of the boreal toad, Bufo boreas boreas Baird and Girard : evidence of natural selection via differential mortality in early life history stages

Characterization of lignocellulose decomposition in stream wood samples using ¹⁴C and ¹⁵N techniques

Larval ecology of Pandalus jordani Rathbun

Scent-making by nectar collecting honey bees

The effect of vitamin B₁₂ on selenium and arsenic metabolism

Effects of flooding on peach, apple, quince and several pear species

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