3 Works

Modeling of a Novel Submerged Oscillating Water Column (SOWC) Energy Harvester

Mohammadamin Torabi & Bruce Savage
Wave energy converters (WEC) are hydraulic structures that are used to harvest energy from oceans. This research explores a new concept of a WEC termed a Submerged Oscillating Water Column (SOWC). Numerical simulations using the Computational Fluid Dynamics (CFD) code Flow-3D and physical model tests were carried out at Idaho State University to assess the validity and efficiency of the proposed device. The SOWC device consists of two submerged chambers that are connected to allow...

Data from: Magnitude and direction of stream-forest community interactions change with time scale

Amy Marcarelli, Colden Baxter, Joseph Benjamin, Yo Miyake, Masashi Murakami, Kurt Fausch & Shigeru Nakano
Networks of direct and indirect biotic interactions underpin the complex dynamics and stability of ecological systems, yet experimental and theoretical studies often yield conflicting evidence regarding the direction (positive or negative) or magnitude of these interactions. We revisited pioneering datasets collected at the deciduous forested Horonai Stream and conducted ecosystem-level syntheses to demonstrate that the direction of direct and indirect interactions can change depending on the timescale of observation. Prior experimental studies showed that terrestrial...

Genomic analyses of phenotypic differences between native and invasive populations of diffuse knapweed (Centaurea diffusa)

Kathryn Turner, Kate Ostevik, Christopher Grassa & Loren Rieseberg
Invasive species represent excellent opportunities to study the evolutionary potential of traits important to success in novel environments. Although some ecologically-important traits have been identified in invasive species, little is typically known about the genetic mechanisms that underlie invasion success in non-model species. Here, we use a genome-wide association (GWAS) approach to identify the genetic basis of trait variation in the non-model, invasive, diffuse knapweed (Centaurea diffusa Lam. [Asteraceae]). To assist with this analysis, we...

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Affiliations

  • Idaho State University
    3
  • Michigan Technological University
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  • United States Geological Survey
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  • Colorado State University
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  • University of British Columbia
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  • Harvard University
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