Index Catalog // ScholarsArchive@OSU

Cardiac and respiratory responses to hypoxia in the crab, Cancer magister (Dana)

Creator:: Stiffler, Daniel Francis
Abstract:: Heart rates and amplitudes were measured for both intact animals (in situ) and isolated hearts (in vitro) of the Dungeness crab, Cancer magister, exposed to low levels in oxygen. Recordings were also made of gill ventilation rate by measuring the frequency of scaphognathite (gill bailer) beats. Both the in vitro...
Resource Type:: Masters Thesis
Full Text:: Cardiac and respiratory responses to hypoxia in the crab

Some economic considerations in Dungeness crab marketing

Creator:: Wix, John Robert
Abstract:: The purpose of this study is to describe Dungeness crab marketing from the ocean floor to the ultimate consumer; to identify relations among the Oregon Dungeness crab industry, the Pacific Coast Dungeness crab industry, and the Alaska King crab industry; and to specify the relationships between fishermen's prices for Dungeness...
Resource Type:: Masters Thesis
Full Text:: some economic considerations in Dungeness crab marketing

Some economic considerations in Dungeness crab marketing

Creator:: Wix, John Robert
Abstract:: The purpose of this study is to describe Dungeness crab marketing from the ocean floor to the ultimate consumer; to identify relations among the Oregon Dungeness crab industry, the Pacific Coast Dungeness crab industry, and the Alaska King crab industry; and to specify the relationships between fishermen's prices for Dungeness...
Resource Type:: Masters Thesis
Full Text:: : SOME ECONOMIC CONSIDERATIONS IN DUNGENESS CRAB MARKETING Abstract approved: The purpose of this

System design for Dungeness crab processing

Creator:: Adams, Burton Warren
Abstract:: Dungeness crab is an important fishery on the Pacific Coast. The processing subsystem of the fishery is hampered by a variety of problems that have acted to impede technological innovations that could improve efficiency and sanitation in seafood plants. This paper provides background for problems encountered by the processors, discusses...
Resource Type:: Masters Thesis
Full Text:: System design for Dungeness crab processing AN ABSTRACT

A portable pumping system for hydraulic excavation of commercial crab pots

Creator:: Chang, Terrill John
Abstract:: The design and testing of a portable pumping system for use in the hydraulic excavation of commercial crab pots buried by ocean sediment was undertaken. The resulting portable system retained the four major components of the pumping systems presently used by commercial fishermen: engine, pump, fire hose, and nozzle. Because...
Resource Type:: Masters Thesis
Full Text:: , (Date) Title: A PORTABLE PUMPING SYSTEM FOR HYDRAULIC EXCAVATION OF COMMERCIAL CRAB POTS Redacted for

Skill design, evaluation, and implementation of improved Dungeness crab meat extraction methods

Creator:: Willis, George Paul
Abstract:: The Dungeness crab fishery is the largest and oldest known shellfish fishery of the North Pacific coast of North America. The stability and development of this fishery is seriously hampered by increasing meat extraction costs and labor shortages. Alternative solutions to offset the increasing costs and labor shortages include: 1)...
Resource Type:: Masters Thesis
Full Text:: Dungeness crab meat extraction methods AN ABSTRACT OF THE THESIS OF George Paul Willis for the degree of

Design of a waterjet system for excavation of commercial crab pots buried in ocean sediment

Creator:: Le Febvre, Patrick Elmer
Abstract:: The design of a more efficient waterjet system for excavation of commercial crab pots buried in ocean sediment was undertaken. The work resulted in the design of an improved nozzle with performance that was shown to be significantly better than that of previously used nozzles. Greater sand penetration and excavation...
Resource Type:: Masters Thesis
Full Text:: Crab Pots Buried in Ocean Sediment AN ABSTRACT OF THE THESIS OF PATRICK ELMER LEFEBVRE for the

The identification of Dungeness crab from the power spectral density function of their acoustic signature

Creator:: Eghbali, Hassan J.
Abstract:: The power spectral density of the acoustic signature of Dungeness crab was calculated by the use of digital computer. The signal produced by the Dungeness crab was an analog signal. Therefore a conversion of the signal from analog to digital was necessary. This was done by sampling the acoustic signature...
Resource Type:: Masters Thesis
Full Text:: ) (Date) Title: THE IDENTIFICATION OF DUNGENESS CRAB FROM THE POWER SPECTRAL DENSITY FUNCTION OF THEIR

Prediction of abundance of harvestable Dungeness crab (Cancer magister)

Creator:: Stefferud, Jerome Arthur
Abstract:: A method for predicting the harvest of commercial Dungeness crab (Cancer magister) one year in advance of the fishing season is described. The technique is based on the hypothesis that the relative abundance of sub-legal crabs one year is directly proportional to the harvest of legal crabs the following year....
Resource Type:: Masters Thesis
Full Text:: Prediction of abundance of harvestable Dungeness crab

Size classes, population structure, growth, sex ratio, and size and age at maturity of Chionoecetes tanneri Rathbun (Brachyura:Majidae) off the Oregon coast

Creator:: Tester, Patricia A.
Abstract:: During eleven cruises conducted off the Oregon continental slope from April 1973 to March 1975, approximately 1600 specimens of the majid crab Chionoecetes tanneri Rathbun were collected. A time sequence of size frequency histograms and bivariate plots of allometric measurements were used to determine size classes, population structure, growth and...
Resource Type:: Masters Thesis
Full Text:: continental slope from April 1973 to March 1975, approximately 1600 speci- mens of the majid crab

ScholarsArchive@OSU

Cardiac and respiratory responses to hypoxia in the crab, Cancer magister (Dana)

Some economic considerations in Dungeness crab marketing

Some economic considerations in Dungeness crab marketing

System design for Dungeness crab processing

A portable pumping system for hydraulic excavation of commercial crab pots

Skill design, evaluation, and implementation of improved Dungeness crab meat extraction methods

Design of a waterjet system for excavation of commercial crab pots buried in ocean sediment

The identification of Dungeness crab from the power spectral density function of their acoustic signature

Prediction of abundance of harvestable Dungeness crab (Cancer magister)

Size classes, population structure, growth, sex ratio, and size and age at maturity of Chionoecetes tanneri Rathbun (Brachyura:Majidae) off the Oregon coast

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