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The effects of PCB exposure on the behavior of the shore crab Hemigrapsus oregonensis

Creator:: Pearson, Walter H.
Abstract:: The behavior of the shore crab Hemigrapsus oregonensis was assessed with and without exposure to polychlorinated biphenyls (Aroclor 1260). After describing the crab's behavioral repertoire, activity budgets were developed from observations of the time crabs spent in 20 categories of shelter use, posture, and activity while held in habitat replicas...
Resource Type:: Dissertation
Full Text:: Walter H. Pearson A THESIS submitted to Oregon State University in partIal fulfillment of the

Radioactive zinc (⁶⁵Zn), zinc, cadmium, and mercury in the Pacific hake, Merluccius productus (Ayres), off the west coast of the United States

Creator:: Naidu, Janakiram Ramaswamy
Resource Type:: Dissertation
Full Text:: , Dr. Norman H. Cutshall, I extend my sincerest thanks. His keen interest in my program and his

Motions of a small spar buoy

Creator:: Dorman, Clive Edgar
Abstract:: The motions of a small spar buoy were measured in deep water. The measured variables were two buoy tilts, three accelerations, two wave slopes and the wave height. The variables were corrected for buoy motion and rotated to stationary coordinates, Fast Fourier Transformed, and analyzed spectrally. Analysis included power spectra,...
Resource Type:: Masters Thesis
Full Text:: Cospectrum of buoy tilt, X, and wave slope, X (OX, SX) 47 13 Coherence and phase of buoy tilt, X, and wave

Tectonics of the East Pacific Rise, 5⁰ to 12⁰S

Creator:: Rea, David K.
Abstract:: The portion of the East Pacific Rise (EPR) between 5° and 12°S can be subdivided into three areas by fracture zones that offset the rise axis at about 6.5°S and 9°S. In all three regions, the spreading axis of the EPR is defined by a topographic block 300 to 350...
Resource Type:: Dissertation
Full Text:: : TECTONICS OF THE EAST PACIFIC RISE, 5 TO 1 z Os Abstract approved: .H. van Andel and L. D. K The portion

Photoperiod and the timing of pupping in the Pacific harbor seal (Phoca vitulina richardsi) with notes on reproduction in northern fur seals and Dall porpoises

Creator:: Temte, Jonathan L.
Abstract:: Birth and pupping season records of Pacific harbor seals (Phoca vitulina richardsi) were used in an analysis of photoperiod effect on the timing of birth in this species. Dates and latitudes of births were converted into photoperiods using a photoperiod equation. Sequential dates from parturition were converted into photoperiods and...
Resource Type:: Masters Thesis
Full Text:: 13.8 h/day photoperiod occurring at 68 days post partum. PS/SG harbor seals experience a

Density separation of clay minerals

Creator:: Nelsen, Terry A.
Abstract:: Illite, chlorite, montmorillonite and kaolinite, as well as natural marine sediments and mixtures of the standards were subjected to density separation by centrifugation in a linear heavy-liquid gradient. The density layers yielded by centrifugation were recovered and analyzed by X-ray diffraction. Separates were not monomineralic but rather were polymineralic usually...
Resource Type:: Masters Thesis
Full Text:: used to prepare heavy liquid density gradients. 6 B. Closeup of inverted prism and tilt mechanism of A

The Atlantic, the Amazon, and the Andes : neogene climate and tectonics viewed from Ceara Rise, western tropical Atlantic

Creator:: Harris, Sara E.
Resource Type:: Dissertation
Full Text:: the northern hemisphere, with wet conditions during high insolation at both tilt and precession

Description of measurements of current velocity and temperature over the Oregon continental shelf, July 1965-February 1966

Creator:: Collins, Curtis Allan
Resource Type:: Dissertation
Full Text:: 28 4. Instrument tilt 29 5. Response of the current meter to swell, September- October, 1965 32 6

Bathymetry and structure of San Clemente Island, California, and tectonic implications for the southern California continental borderland

Creator:: Ridlon, James Barr
Abstract:: Five lithologic units, ranging in age from Middle Miocene to Recent, are defined on the basis of continuous seismic reflection profile records. Two of the units are Miocene sedimentary and volcanic rocks that have been truncated to form a major unconformity (post-orogenic surface) related to the most recent major tectonism...
Resource Type:: Dissertation
Full Text:: by his major professor, Dr. John V. Byrne, and Dr. L. Kulm, Department of Oceanography, and Dr. H

A mesoscale study of coastal currents and upwelling off Peru

Creator:: Enfield, David B.
Abstract:: Moored instrument records, drogue displacements, and hydrographic observations are used in describing the coastal currents and upwelling off Peru. The data were obtained over the continental shelf near 15°S. during a two week study in late March and early April of 1969. First order statistics and graphical representations of current...
Resource Type:: Masters Thesis
Full Text:: the instrument is poor. An indication of instrument tilt is also produced on the film, from which a

ScholarsArchive@OSU

The effects of PCB exposure on the behavior of the shore crab Hemigrapsus oregonensis

Radioactive zinc (⁶⁵Zn), zinc, cadmium, and mercury in the Pacific hake, Merluccius productus (Ayres), off the west coast of the United States

Motions of a small spar buoy

Tectonics of the East Pacific Rise, 5⁰ to 12⁰S

Photoperiod and the timing of pupping in the Pacific harbor seal (Phoca vitulina richardsi) with notes on reproduction in northern fur seals and Dall porpoises

Density separation of clay minerals

The Atlantic, the Amazon, and the Andes : neogene climate and tectonics viewed from Ceara Rise, western tropical Atlantic

Description of measurements of current velocity and temperature over the Oregon continental shelf, July 1965-February 1966

Bathymetry and structure of San Clemente Island, California, and tectonic implications for the southern California continental borderland

A mesoscale study of coastal currents and upwelling off Peru

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