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Creator:: Johnson, John Kenneth
Abstract:: In the upper estuary of Yaquina Bay, Oregon, there is an annual population explosion of Acartia tonsa, (Dana) a calanoid copepod, during the months of July, August and September, followed by a rapid decline to virtual extinction in November. The restricted estuarine distribution affords an excellent opportunity to study the...
Resource Type:: Masters Thesis
Full Text:: DYNAMICS OF AN ISOLATED POPULATION OF ACARTIA TONSA DANA (COPEPODA) IN YAQUINA BAY, OREGON dAbstract

Creator:: Carrillo Barrios-Gomez, Enrique
Abstract:: An attempt has been made to experimentally interbreed Atlantic and Pacific populations of the marine calanoid copepod Acartia clausi Giesbrecht. Breeding between individuals from each population produced many successive generations in the laboratory, but interbreeding between populations failed to produce viable offspring. This result is strong evidence that the Atlantic...
Resource Type:: Masters Thesis
Full Text:: ) cultured Acartia tonsa Dana, and A. clausi on a diet consisting of equal parts of Rhodomonas sp. and 1

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
Full Text:: apparently enjoy the rough Oregonian sea conditions: I am in debt to my dear friends Leah R. Feinberg, Tracy

Creator:: Reed, John Cooper
Resource Type:: Masters Thesis
Full Text:: and hydraulic radius: Dd = t ju R. The Full Model would accept C values up to 18, the Revised Model

Creator:: Batchelder, Harold Parker
Resource Type:: Dissertation
Full Text:: : Gm/Kg/'r/B. Population Dynamics and Feeding Ecology of the Copepod, Metridia pacifica, in the

Creator:: Rothlisberg, Peter Charles
Resource Type:: Dissertation
Full Text:: Lough, Bill Peterson, Lyn Brixius and Mark Halsey along with the crew of the R Cayuse made the

Creator:: Peterson, William T.
Resource Type:: Dissertation
Full Text:: not related (r = - 0.0093) 141 47 The relationship between number of eggs laid and food concentration

Creator:: Johnson, John Kenneth
Resource Type:: Dissertation
Full Text:: productivity studies near Station 39 in 1974. Rainy and overcast days are indicated by R and 0. 18 Depth of

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