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Filtering by: Creator Cooper, Rebecca Advisor Herlihy, Alan T. Non-Academic Affiliation Oregon State University. Graduate School

Trace metal concentrations in the signal crayfish, Pacifastacus leniusculus (Decapoda: Astacidae), and the stonefly Pteronarcys californica (Plecoptera: Pteronarcyidae) along a downstream gradient of the Umatilla River

Creator:

Snyder, Jennifer L.

Abstract:

Metals are a persistent form of freshwater pollution and have been shown to bioaccumulate in aquatic macroinvertebrates through direct contact with contaminated water, sediments, and through consumption of contaminated organisms. This research explored the longitudinal bioaccumulation patterns of 5 common trace metals (Cr, Cu, Zn, Cd, and Pb) in the...

Resource Type:

Masters Thesis

Full Text:

present when others could not be. Dr. Rebecca Flitcroft’s bright smile and brilliant answers to
Effects of grass seed agriculture on aquatic invertebrate communities in seasonal wetlands of the southern Willamette Valley, Oregon

Creator:

Wyss, Lance A.

Abstract:

An estimated 99% of native wet prairie has been lost in the Willamette Valley, Oregon, but a large number of seasonal wetlands remain on private lands dedicated to grass seed production within the historical wet prairie landscape. Because agriculture is known to alter physical and chemical wetland conditions, I investigated...

Resource Type:

Masters Thesis

Full Text:

for me to complete my work. Rebecca Barbaree, Nick Hatch, Jenn King, and Sara Paroulek assisted