The severity of carbonate chemistry changes from ocean acidification is predicted to increase greatly in the coming decades, with serious consequences for marine species- especially those reliant on calcium carbonate for structure and function (Fabry et al. 2008). The Northern California Current Ecosystem off the coast of US West Coast...
Ocean acidification affects all organisms that incorporate calcium carbonate into their structure, including coralline algae. Coralline algae are a key component of the intertidal ecosystem on the Oregon coast which is why it is important that we understand how the potential loss of coralline algae to ocean acidification will impact...
Interest is expanding for the potential role of estuaries, particularly seagrass and salt marsh habitats, to sequester carbon, mitigate ocean acidification, and support abundant fisheries. The important functions of estuaries are part of a broader set of ecosystem services, or benefits to humans, which are regulated by ocean and watershed...
The Whale Cove Site, 35LNC60, is a shell midden, showing
occupations from 3010 B.P. to 330 B.P., spanning the Early and Late
Littoral Periods. Analysis of mammalian faunal remains, bone and
antler tools, lithics and discriptions of recovered shellfish
artifacts allows for chronological refinement of the previously
mentioned archeologically defined...
This study examines how social identities and message characteristics influence the processing of sponsorship associations and persuasive messages. Using an experimental approach we found that sponsor affiliation with a rival team results in a negative response by highly identified fans, even when message characteristics include strong, favorable arguments. Conversely, less...
The Columbia Basin once supported a diversity of native fishes and large runs of anadromous salmonids that sustained substantial fisheries and cultural values. Extensive land conversion, watershed disruptions, and subsequent fishery declines have led to one of the most ambitious restoration programs in the world. Progress has been made, but...
Large river basins integrate the signal of water from atmospheres to oceans. Climate change is widely expected to alter streamflow and potentially disrupt water management systems. We tested the ecological resilience -- capacity of headwater ecosystems to sustain streamflow under climate change – and the engineering resilience – capacity of...
Juvenile Oncorhynchus mykiss migrate extensively in freshwater during fall. We used individual tagging to study the spatial origin, influences, and outcomes of fall migration on fish that emigrated from summer rearing tributaries during fall (early-emigrants) and those that did not (late-emigrants) in the South Fork John Day River, Oregon. Fall...
This paper reports on a study of primary contextualization processes during science immersion
trips and the resultant student learning. Four High School Ecology classes (n=67) and teachers
participated. Through a pre/post assessment of science concept knowledge (Pathfinder Network
Modeling) and follow-up interviews with students, it was determined that (1) significant...