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Creator:: Smiles, Michael Charles Jr
Abstract:: Euphausia pacifica lives for a period of approximately one year, disappearing from the catches at a size of about 22-24 mm. Spawning, which occurs mainly inshore, extends from June through December but generally is most prominent in the autumn months. Average growth is calculated to be approximately 2.0 mm per...
Resource Type:: Masters Thesis
Full Text:: RATE OF EUPHAUSIA PACIFICA OFF THE OREGON COAST INTRODUCTION The Euphausiacea (class Crustacea), one

Creator:: Hebard, James Frank
Abstract:: Fifty-two one-meter plankton net samples from four stations off Newport, Oregon, were examined for composition and abundance of euphausiids and copepods. They provided data on dominance, species associations and environmental relationships. The euphausiid-copepod population off Oregon is composed of 12 numerically dominant species. These species occurred in most of the...
Resource Type:: Dissertation
Full Text:: DISTRIBUTION OF EUPHAUSIACEA AND COPEPODA OFF OREGON IN RELATION TO OCEANOGRAPHIC CONDITIONS Abstract

Creator:: Gutierrez, Jaime Gomez
Abstract:: I compare the seasonal abundance variation, population dynamics, fecundity, egg hatching mechanism and success, and apostome ciliate parasites of the euphausiids Euphausia pac?fica and Thysanoessa spinfera from the Oregon coast, USA. Community structure and nearshore distributions were examined from bi-weekly oceanographic surveys (1970-1972). This region has a strong cross-shelf change...
Resource Type:: Dissertation

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