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Filtering by: Subject Riparian ecology -- Oregon -- John Day River Watershed Degree Name Master of Science (M.S.)

The Influence of Riparian Habitat and Microhabitat Selection on Fish Assemblaqe Structure in the Upper John Day Basin, Oreqon

Creator:

Leitzinger, Eric J.

Abstract:

Fish assemblage structure was determined along a longitudinal gradient for three drainages in the upper John Day basin: Middle Fork, South Fork, and upper Mainstem proper. One or two tributaries in each drainage were included. Where possible, sites were paired: those with good versus those with poor riparian habitat. Detrended...

Resource Type:

Masters Thesis
Streamside forests, channel constraint, large woody debris characteristics, and pool morphology in low order streams, Blue Mountains, Oregon

Creator:

Cordova, Jerry J.

Resource Type:

Masters Thesis

Full Text:

located in eastern Oregon in the John Day and Malheur River basins in the southern portion of the Oregon
Beaver ecology in Bridge Creek, a tributary to the John Day River

Creator:

Maenhout, Julie L. (Harper)

Abstract:

The American beaver (Castor canadensis) was nearly extirpated by the late 1800's due to the fur trade. Due to reintroduction efforts, it now occupies much of its former range. Beavers are a keystone species and ecosystem engineers, greatly influencing riparian and instream habitats through selective harvesting of plant materials and...

Resource Type:

Masters Thesis

Full Text:

Beaver Ecology in Bridge Creek, a Tributary to the John Day River by Julie L. Maenhout A THESIS