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Filtering by: Creator Williams, John Harvey, 1864- Remove constraint Creator: Williams, John Harvey, 1864- Committee Member Beschta, Bob Remove constraint Committee Member: Beschta, Bob Rights Statement Copyright Not Evaluated Remove constraint Rights Statement: Copyright Not Evaluated

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From continua to patches : longitudinal patterns in the Middle Fork of the John Day River, Oregon

Creator:

Wright, Kristopher Keith

Abstract:

The Middle Fork John Day River is composed of low gradient, alluvial valley segments separated by constrained, canyon-like reaches, and has a history of multiple land-uses. These factors can alter the physical and biological structure of streams, and disrupt the longitudinal river continuum. I examined habitat, fish, macroinvertebrates, and primary...

Resource Type:

Dissertation

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Patches: Longitudinal Patterns in the Middle Fork of the John Day River, Oregon. Abstract Approved
The relationship between stream habitat complexity and anadromous salmonid diversity and habitat selection

Creator:

Chen, Glenn K.

Resource Type:

Dissertation

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proposed by Williams (1964) to link species diversity and habitat. Karr and Roth (1971) indicated that
Formation and maintenance of fish assemblages in a high desert Oregon stream

Creator:

Pearsons, Todd N.

Abstract:

Considerable controversy exists about how fish assemblages are organized. I explicitly took fish movement into account while I studied the effects of disturbance, habitat complexity, and predation at different times of the summer to understand the major factors influencing assemblage structure in a high desert Oregon stream. The effects of...

Resource Type:

Dissertation

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FIGURES Fiaure Page 1 Map of the study site in the John Day Basin, north-central Oregon. 33 2
Riparian vegetation and abundance of woody debris in streams of southwestern Oregon

Creator:

Ursitti, Victoria L.

Abstract:

Riparian vegetation (trees > 10 cm dbh), woody debris (> 10 cm diam, > 1 m long), channel, and landform characteristics were inventoried in mature (80-150 yrs) and old-growth riparian areas (>250 yrs) selected from small tributaries of the Coos and Coquille River basins in southwestern Oregon. Basal area of...

Resource Type:

Masters Thesis

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late day in the field to make sure I got in OK. There are the friends and co-workers including John

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Academic Affiliation

Fisheries and Wildlife4

Advisor

Gregory, Stan1
Li, Hiram W.1
Li, Judith Lew1
Liss, William J.1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1991 to 2000

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Committee Member

Beschta, Bob[remove]4
Bisson, Pete1
DeYoung, Bruce1
Hixon, Mark1
Johnson, Sherri1
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Creator

Chen, Glenn K.1
Pearsons, Todd N.1
Ursitti, Victoria L.1
Wright, Kristopher Keith1

Date

Date range begin – Date range end

Current results range from 1990 to 2000

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Decade

2000-20091
1990-19993

Degree Field

Fisheries Science4

Degree Level

Doctoral3
Master's1

Degree Name

Doctor of Philosophy (Ph.D.)3
Master of Science (M.S.)1

File Format

application/pdf1

Language

English [eng]4

Non-Academic Affiliation

Oregon State University. Graduate School4

Peer Reviewed

No3

Resource Type

Dissertation3
Masters Thesis1

Rights Statement

Copyright Not Evaluated[remove]4

Subject

Fish communities -- Oregon -- Rock Creek1
Habitat (Ecology) -- Oregon1
John Day River (Or.) -- Ecology1
Riparian ecology -- Oregon1
River continuum concept1
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