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Filtering by: Creator Jordan, Scott Committee Member Johnson, Sherri L. Degree Field Fisheries Science

Bottom-up Drivers of Primary Producers and Predator Populations in Oregon Streams

Creator:

Kaylor, Matthew J.

Abstract:

Humans have drastically altered the physical habitat and food web structure of stream ecosystems. Two major impacts humans have had on Pacific Northwest streams are modification of streamside forests (as a result of agriculture, land development, and timber harvest), and declines in the return of wild anadromous salmon to headwater...

Resource Type:

Dissertation
Linkages among land use, riparian zones, and uptake and transformation of nitrate in stream ecosystems

Creator:

Sobota, Daniel J.

Abstract:

Land use alters the physical and biological structure of stream ecosystems and potentially alters their capacity to process nitrogen (N), an essential nutrient that has nearly doubled in abundance on the biosphere during the past century from human activities. In this dissertation, I quantified uptake and transformation of nitrate (NO₃⁻)...

Resource Type:

Dissertation

Full Text:

Colvin, Charles Frady, Jeremiah Osborne-Gowey, and Scott Miller. However, I would never have made it