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Filtering by: Creator Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.) Remove constraint Creator: Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.) Decade 1980-1989 Remove constraint Decade: 1980-1989 Resource Type Dissertation Remove constraint Resource Type: Dissertation

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The spatial distribution of wood-nesting ants in the central Coast Range of Oregon

Creator:

Nielsen, Gary R. (Gary Richard), 1956-

Resource Type:

Dissertation

Full Text:

conducted in the central Coast Range of Oregon to describe the spatial distribution and density of forest
A systematic study of Lathyrus vestitus Nutt. ex T. & G. (Fabaceae) and allied species of the Pacific Coast

Creator:

Broich, Steven L.

Abstract:

Eight species of Lathvrus (Fabaceae, Faboideae) endemic to the Pacific Coast of North America were the subject of a systematic investigation. Taxa studied included Lathvrus vestitus, Nutt. ex T. & G., L. laetif lorus Greene, L.. iepsonii Greene, £,. splendens Kellogg, L. polvphvllus, Nutt. ex T. & G., L. holochlorus...

Resource Type:

Dissertation

Full Text:

. (Fabaceae) and allied species of the Pacific Coast AN ABSTRACT OF THE THESIS OF Steven Leo Broich for
Effects of cork oak (Quercus suber L.) canopy cover on seasonal herbage production, foliar cover, and nutritive quality in the Mamora National Forest of Morocco

Creator:

Ibnattya, Abdelhai Andaloussi

Abstract:

This research was conducted in the Mamora National Forest of Morocco to: (1) Evaluate the effect of cork oak (Quercus suber L.) crown cover on seasonal herbage production, nutritive quality, and foliar cover on two distinctive sites in each of two years (1982, 1983) and to (2) assess the effects...

Resource Type:

Dissertation

Full Text:

coordinated forest, range and livestock management can enhance forage production without increasing
Pathogenesis and intertree transmission of Verticicladiella wageneri in Douglas-fir (Pseudotsuga menziesii)

Creator:

Hessburg, Paul F.

Abstract:

Verticicladiella wageneri Kendr. is a vascular wilt pathogen of Douglas-fir in the Pacific Northwest, The disease is characterized by black staining of colonized sapwood; crown symptoms are those typical of a wilting syndrome. Histopathological studies revealed that the pathogen is limited to the xylem but causes vascular dysfunction in both...

Resource Type:

Dissertation

Full Text:

of forest pathology, and I greatly value his friendship. Dr. Hansen is gifted both with vision and
Small mammal micro- and macrohabitat selection in streamside ecosystems

Creator:

Doyle, Arlene T.

Abstract:

During summer and fall of 1981 to 1983, mark-recapture was conducted in riparian and upland habitats within old-growth and mature forests in the Cascade Range of Oregon. Number of individuals and species richness were greater in riparian than upland habitat. For most species, the mean adult weights and the percentages...

Resource Type:

Dissertation

Full Text:

and mature forest stands in the western Cascade Range of Oregon. The purpose of the study was to
Nursery, cold storage, and field studies on western conifers inoculated with spores of Pisolithus tinctorius

Creator:

Alvarez, Isabel Fernandez

Abstract:

Inoculations of white fir, Shasta red fir, Douglas fir and ponderosa pine with Pisolithus tinctorius spores when outplanted failed to produce P. tinctorius mycorrhizae at the end of the first growing season. In the third year a few P. tinctorius mycorrhizae were formed on white fir. Inoculations reduced seedling survival...

Resource Type:

Dissertation

Full Text:

. Forest Service, Pacific Northwest Forest and Range Experimental Station, Forestry Sciences Laboratory
Classical biological control of the filbert aphid, Myzocallis coryli (Goetze) (Homoptera:Aphididae) in western Oregon

Creator:

Messing, Russell H.

Abstract:

A classical biological control project was undertaken against the filbert aphid, Myzocallis coryli (Goetze), in western Oregon. Hazelnut orchards in Spain, France, and Italy were searched for natural enemies of the aphid, and a parasitic wasp, Trioxys pallidus Haliday, was imported, quarantined, mass-reared, and released in Oregon orchards. The wasp...

Resource Type:

Dissertation

Full Text:

-Bordeaux), Francis Gruber (USDA-Paris), Dr. K. S. Hagen and Junji Hamai (Univ. of Calif.), Dr. J. M
Description of the plant communities and succession of the Oregon coast grasslands

Creator:

Ripley, James Douglas

Abstract:

In an effort to describe the plant communities and succession of the Oregon coastal grasslands, vegetation and environmental data were collected from 75 stands at 24 separate locations ranging from Cape Falcon in Tillamook County to Cape Ferrelo in Curry County. The vegetation data consisted of cover and frequency values...

Resource Type:

Dissertation

Full Text:

Siuslaw National Forest. Franklin and Dyrness (1973) further point out that beyond Davidson's study
Valuation of recreation resources : a methodological comparison as applied to Steens Mountain, Oregon

Creator:

White, William Barnes

Resource Type:

Dissertation

Full Text:

study on the value of visibility in the Southwest, in which they examined these criticisms and
Management of variegated cutworm in peppermint

Creator:

Coop, Leonard Bryan

Abstract:

A pest management program for variegated cutworm (VC), Peridroma saucia (Hubner), in Oregon peppermint was developed based on studies of pheromone trapping, sampling methods, and economic thresholds. Pheromone traps effectively trapped VC males and were used to reflect development and oviposition trends. Trap height was linearly correlated to moth catch...

Resource Type:

Dissertation

Full Text:

experiment; a total of 0, 2, 3, and 2 egg masses were collected on traps placed at 20, 40, 60, and 80 cm

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Academic Affiliation

Entomology7
Botany and Plant Pathology5
Rangeland Resources2
Agriculture and Resource Economics1
General Science1
more Academic Affiliations »

Advisor

Aliniazee, M. T.2
Lattin, John D.2
Bedell, Thomas E.1
Berry, Ralph E.1
Botttomley, Peter J.1
more Advisors »

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1981 to 1987

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Committee Member

Frenkel, Robert E.4
Chambers, Kenton L.3
Anderson, Norman H.2
Allen, Thomas1
Allen, Thomas C.1
more Committee Members »

Creator

Alvarez, Isabel Fernandez1
Broich, Steven L.1
Coop, Leonard Bryan1
Demezas, David H.1
Doyle, Arlene T.1
more Creators »

Date

Date range begin – Date range end

Current results range from 1980 to 1987

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Decade

1980-1989[remove]22

Degree Field

Entomology7
Botany and Plant Pathology5
Rangeland Resources2
Agricultural and Resource Economics1
Education1
more Degree Fields »

Degree Level

Doctoral22

Degree Name

Doctor of Philosophy (Ph.D.)22

Language

English [eng]22

Non-Academic Affiliation

Oregon State University. Graduate School22

Peer Reviewed

No22

Resource Type

Dissertation[remove]22

Rights Statement

Copyright Not Evaluated21
In Copyright1

Subject

Acartia californiensis1
Ants -- Oregon -- Nests1
Calanoida1
Clay minerals -- Oregon1
Coastal ecology -- Oregon1
more Subjects »

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