Index Catalog // ScholarsArchive@OSU

Effects of canopy gaps in Douglas-fir forests and resource gradients on fecundity and growth of understory herbs

Creator:: St. Pierre, Elizabeth A. (Elizabeth Ann)
Abstract:: Effects of small-scale disturbances on fecundity and growth rates of Linnaea borealis L., Tiarella trifoliata L. var. unifoliata, and Trillium ovatum Pursh. were studied in old-growth forests in the Tsuga heterophylla Zone on the west slope of the Cascade Mountain Range of Oregon. Performance of each species was compared in...
Resource Type:: Dissertation

Disturbance and landscape history as a reference for evaluating forest management effects at a regional scale : examples from the Coast Range of Oregon, USA

Creator:: Nonaka, Etsuko
Abstract:: History is an invaluable source of information to understand and evaluate management influences on contemporary ecosystems and landscapes. The first two chapters (Chapters 2 and 3) explored the concept of historical range of variability (HRV) in landscape structure and stand structure using a stochastic fire simulation model to simulate presettlement...
Resource Type:: Masters Thesis
Full Text:: Landscape History as a Reference for Evaluating Forest Management Effects at a Regional Scale: Examples

Plant and amphibian assemblages in zero-order basins in the Oregon Coast Range

Creator:: Sheridan, Chris D.
Abstract:: We have a poor understanding of the biotic communities in zero-order basins, drainages extending from ridgelines to the initiation of first-order streams. This study describes baseline plant and amphibian composition in unmanaged zero-order basins in the Oregon Coast Range. Specifically, I studied: i) the spatial distribution and diversity of species,...
Resource Type:: Masters Thesis
Full Text:: approved:------~--------//---------- Thomas A. Spies We have a poor understanding of the biotic

Dead wood dynamics and relationships to biophysical factors, forest history, ownership, and management practices in the Coastal Province of Oregon, USA

Creator:: Kennedy, Rebecca S.H.
Abstract:: Dead wood patterns and dynamics vary with biophysical factors, disturbance history, ownership, and management practices. Through field and modeling studies, I examined the current and potential future amounts of dead wood in two landscapes and region-wide in the Coastal Province of Oregon. The objectives of the first study were to...
Resource Type:: Dissertation

Patterns of crown damage within a large wildfire in the Klamath-Siskiyou bioregion

Creator:: Thompson, Jonathan R.
Abstract:: The 2002 Biscuit Fire burned through more than 200,000 ha of mixed conifer/ evergreen hardwood forests in southwestern Oregon and northwestern California. The remarkable size of the fire and the diversity of conditions through which it burned provided an opportunity to analyze the correlates of burn severity across vegetation types...
Resource Type:: Dissertation
Full Text:: presented on June 2, 2008 Title: Patterns of Crown Damage within a Large Wildfire in the Klamath

Hilbert modular surfaces and uniformizing groups of Klein invariants

Creator:: Bell, Andrea Moreira
Resource Type:: Dissertation

Principal subgroups of the nonarithmetic Hecke triangle groups and Galois orbits of algebraic curves

Creator:: Smith, Katherine M.
Resource Type:: Dissertation

Triangular billiards surfaces and translation covers

Creator:: Schmurr, Jason Peter
Abstract:: We identify all translation covers among triangular billiards surfaces. Our main tools are the J-invariant of Kenyon and Smillie and a property of triangular billiards surfaces, which we call fingerprint type, that is invariant under balanced translation covers.
Resource Type:: Dissertation
Full Text:: : Triangular Billiards Surfa es and Translation Covers Abstra t approved: Thomas A. S hmidt We identify all

Spectral modular arithmetic

Creator:: Saldamli, Gökay
Abstract:: In many areas of engineering and applied mathematics, spectral methods provide very powerful tools for solving and analyzing problems. For instance, large to extremely large sizes of numbers can efficiently be multiplied by using discrete Fourier transform and convolution property. Such computations are needed when computing π to millions of...
Resource Type:: Dissertation
Full Text:: than the optimal asymptotic crossovers of spectral methods. In this dissertation, a new modular

ScholarsArchive@OSU

Effects of canopy gaps in Douglas-fir forests and resource gradients on fecundity and growth of understory herbs

Disturbance and landscape history as a reference for evaluating forest management effects at a regional scale : examples from the Coast Range of Oregon, USA

Plant and amphibian assemblages in zero-order basins in the Oregon Coast Range

Dead wood dynamics and relationships to biophysical factors, forest history, ownership, and management practices in the Coastal Province of Oregon, USA

Patterns of crown damage within a large wildfire in the Klamath-Siskiyou bioregion

Hilbert modular surfaces and uniformizing groups of Klein invariants

Principal subgroups of the nonarithmetic Hecke triangle groups and Galois orbits of algebraic curves

Triangular billiards surfaces and translation covers

Spectral modular arithmetic

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