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Filtering by: Committee Member Mason, Barbara J. Committee Member Arp, Daniel J.

Fish movement and assemblage dynamics in a Pacific Northwest riverscape

Creator:

Baxter, Colden V.

Abstract:

This study examined fish movements and assemblage dynamics in the Wenaha, Grande Ronde, Snake river system of northeast Oregon and southeast Washington. I investigated the role of fish movement in the dynamics of stream fish assemblages and evaluated relationships between species movement, assemblage structure, and the heterogeneity of habitat at...

Resource Type:

Dissertation
Community profiles of ammonia oxidizers across high-elevation forest-to-meadow transects

Creator:

Mintie, Ann

Abstract:

In recent years considerable interest has been shown in the diversity of ammonia-oxidizing bacteria in soil communities. The majority of the research has been carried out in Northern Europe where soils have received high atmospheric inputs of nitrogen over the past two centuries. In contrast, although much work has been...

Resource Type:

Masters Thesis

Full Text:

Oxidizers Across High-Elevation Forest-to- Peter J. Bottomley In recent years considerable interest has
The Oregon Coastal Subprovince, a new biogeographic subprovince for primary freshwater fishes in Oregon

Creator:

Kettratad, Jes

Abstract:

The Pacific Northwest has a relatively low diversity of primary freshwater fishes with most of the endemism and diversity in the Columbia River and Klamath River. However, the Oregon Coastal Subprovince defined as the coastal rivers from Miami River in the north to Sixes River in the south, has a...

Resource Type:

Dissertation

Full Text:

manuscript and serving on my committee. I thank Dr. Barbara Shields for all the moral support and